This document is a service manual for Clark NP/NS 300 C&D forklifts. It contains safety information and procedures for maintenance, repairs, and inspections. The manual is intended only for trained Clark dealers and technicians, and not for general distribution. It outlines recommended maintenance schedules, safety signs and messages, and safe maintenance practices. The bulk of the document provides detailed technical procedures for repairs and overhauls, organized by component group.
Fiat kobelco sl30 b skid steer loader service repair manualfjskksmem
This document provides standard torque specifications for various types of hardware including:
- Decimal and metric bolts, nuts, and studs of different grades
- Steel hydraulic fittings including 37 degree flare fittings, straight threads with O-rings, split flange mounting bolts, O-ring face seal ends, and O-ring boss ends
- Pipe fittings and lock nuts
Torque values are specified based on the size and grade of the hardware. The document is intended to provide torque values when special specifications are not given for maintenance and repair.
Clark hwd 25 forklift service repair manualfjjskedmme
This document provides instructions and safety precautions for performing planned maintenance on Clark industrial trucks. It outlines inspection procedures for components like the battery, plug, and cover. Technicians should note any issues found during inspection on a check sheet using a coding system to indicate the urgency of repairs needed. Safety is emphasized, and jewelery should be removed before inspecting electrical components.
This document provides an outline and general precautions for a shop manual. It discusses the copyright of the manual, preparation for disassembling equipment, safety procedures, hydraulic and electrical equipment handling, welding repairs, and international unit systems. The outline covers topics to be included in the manual such as specifications, maintenance, systems, disassembly, troubleshooting, engines, and optional attachment installation procedures.
Kobelco sk60 8 hydraulic excavator service repair manualfjsjjekdkme
This document appears to be a shop manual that contains information for maintenance and repair of hydraulic excavators. It includes sections on specifications, maintenance, systems, disassembly, troubleshooting, engines, and optional attachment installation procedures. The document provides safety precautions for repairs and disassembly/assembly. It also includes a table for international unit conversion. The manual is intended as a technical reference for maintenance technicians to perform repairs and find fault equipment.
Caterpillar cat 325 c excavator (prefix crb) service repair manual (crb00001 ...fjsjjekdkme
The document provides instructions for removing and installing the camshaft on a Caterpillar 3126B engine used in 325C excavators. The summary is:
1) Remove the lifter group and front cover to access the camshaft. Wire the valve lifters away from the camshaft. Remove the camshaft retainer plate and bolts, then remove the camshaft.
2) Install the camshaft, ensuring the timing marks are aligned. Install the camshaft retainer plate and bolts. Install the lifter group and front cover.
3) The document provides step-by-step instructions for removing and installing the camshaft, camshaft gear
Clark cmc15 20 sl forklift service repair manualfjskksmem
This 3-sentence summary provides the high-level and essential information from the document:
This service manual provides specifications and repair instructions for various models of forklifts manufactured by Samsung, including the SF12-20SD/L/G and SF15-20SLC models. The manual is divided into chapters covering each main system, and sections within chapters cover specific groups to make content easy to understand. Safety precautions are outlined at the beginning to ensure repairs are performed safely.
Kobelco sk270 srlc 5 (na 2018 yu08) hydraulic excavator service repair manualfjsjjekdkme
This document is the shop manual for a hydraulic excavator. It contains outlines, precautions, and general information for repairing and maintaining the excavator. The manual is divided into chapters covering specifications, maintenance, systems, disassembly, troubleshooting, engines, and optional attachments. Precautions are provided for safety, preparing for disassembly, hydraulic and electrical equipment, and welding repairs. Copyright information is also included.
Caterpillar cat 325 c l excavator (prefix csj) service repair manual (csj0000...fjsjjekdkme
This document provides instructions for disassembling and assembling the travel motor of a 325C excavator. The disassembly procedure involves 27 steps to remove components like the head, check valves, fittings, seals, brake piston, friction plates, barrel assembly, and shaft assembly. The assembly procedure describes 21 steps and includes applying seals and lubricants to reinstall the components in reverse order of disassembly. Special care must be taken with alignment marks and component positions during reassembly.
Fiat kobelco sl30 b skid steer loader service repair manualfjskksmem
This document provides standard torque specifications for various types of hardware including:
- Decimal and metric bolts, nuts, and studs of different grades
- Steel hydraulic fittings including 37 degree flare fittings, straight threads with O-rings, split flange mounting bolts, O-ring face seal ends, and O-ring boss ends
- Pipe fittings and lock nuts
Torque values are specified based on the size and grade of the hardware. The document is intended to provide torque values when special specifications are not given for maintenance and repair.
Clark hwd 25 forklift service repair manualfjjskedmme
This document provides instructions and safety precautions for performing planned maintenance on Clark industrial trucks. It outlines inspection procedures for components like the battery, plug, and cover. Technicians should note any issues found during inspection on a check sheet using a coding system to indicate the urgency of repairs needed. Safety is emphasized, and jewelery should be removed before inspecting electrical components.
This document provides an outline and general precautions for a shop manual. It discusses the copyright of the manual, preparation for disassembling equipment, safety procedures, hydraulic and electrical equipment handling, welding repairs, and international unit systems. The outline covers topics to be included in the manual such as specifications, maintenance, systems, disassembly, troubleshooting, engines, and optional attachment installation procedures.
Kobelco sk60 8 hydraulic excavator service repair manualfjsjjekdkme
This document appears to be a shop manual that contains information for maintenance and repair of hydraulic excavators. It includes sections on specifications, maintenance, systems, disassembly, troubleshooting, engines, and optional attachment installation procedures. The document provides safety precautions for repairs and disassembly/assembly. It also includes a table for international unit conversion. The manual is intended as a technical reference for maintenance technicians to perform repairs and find fault equipment.
Caterpillar cat 325 c excavator (prefix crb) service repair manual (crb00001 ...fjsjjekdkme
The document provides instructions for removing and installing the camshaft on a Caterpillar 3126B engine used in 325C excavators. The summary is:
1) Remove the lifter group and front cover to access the camshaft. Wire the valve lifters away from the camshaft. Remove the camshaft retainer plate and bolts, then remove the camshaft.
2) Install the camshaft, ensuring the timing marks are aligned. Install the camshaft retainer plate and bolts. Install the lifter group and front cover.
3) The document provides step-by-step instructions for removing and installing the camshaft, camshaft gear
Clark cmc15 20 sl forklift service repair manualfjskksmem
This 3-sentence summary provides the high-level and essential information from the document:
This service manual provides specifications and repair instructions for various models of forklifts manufactured by Samsung, including the SF12-20SD/L/G and SF15-20SLC models. The manual is divided into chapters covering each main system, and sections within chapters cover specific groups to make content easy to understand. Safety precautions are outlined at the beginning to ensure repairs are performed safely.
Kobelco sk270 srlc 5 (na 2018 yu08) hydraulic excavator service repair manualfjsjjekdkme
This document is the shop manual for a hydraulic excavator. It contains outlines, precautions, and general information for repairing and maintaining the excavator. The manual is divided into chapters covering specifications, maintenance, systems, disassembly, troubleshooting, engines, and optional attachments. Precautions are provided for safety, preparing for disassembly, hydraulic and electrical equipment, and welding repairs. Copyright information is also included.
Caterpillar cat 325 c l excavator (prefix csj) service repair manual (csj0000...fjsjjekdkme
This document provides instructions for disassembling and assembling the travel motor of a 325C excavator. The disassembly procedure involves 27 steps to remove components like the head, check valves, fittings, seals, brake piston, friction plates, barrel assembly, and shaft assembly. The assembly procedure describes 21 steps and includes applying seals and lubricants to reinstall the components in reverse order of disassembly. Special care must be taken with alignment marks and component positions during reassembly.
Caterpillar cat 325 b excavator (prefix 6dn) service repair manual (6dn00001 ...fjsjjekdkme
This service repair manual provides instructions for removing and installing inlet manifolds, valves, and valve guides on Caterpillar 325B and 325B LN excavator engines. The document outlines the required tools and safety procedures, and provides step-by-step instructions with illustrations for each repair procedure. Technicians are advised to keep parts clean, contain fluids properly, and refer to other documents for guidance on reusable components.
Caterpillar cat 314 e cr excavator (prefix ycw) service repair manual (ycw000...jfdskekdmme
This document provides instructions for removing and installing an engine oil cooler on a Caterpillar C4.4 engine. The removal procedure involves draining coolant, removing mounting bolts and spacers, and removing the oil cooler assembly. The installation procedure specifies cleaning parts and installing the oil cooler assembly with new gaskets and bolts. Tools, safety precautions, and maintenance tips are also provided.
Kawasaki 80 z7 wheel loader service repair manual (serial no. 80c6 5001 and up)fjsjjekdkme
This document provides guidelines and precautions for disassembling and assembling components of a wheel loader. It discusses preparing the work area, marking parts for reassembly, cleaning and inspecting components, applying lubricants, and properly tightening bolts and nuts. Proper maintenance following these guidelines helps prevent damage and ensures safe and efficient reassembly.
Kobelco sk300 lc 10 hydraulic excavator service repair manualfjsjjekdkme
This document is a shop manual that provides specifications, maintenance, system, disassembly, troubleshooting, and engine information for a hydraulic excavator model. It contains sections on specifications, maintenance, systems, disassembly, troubleshooting, engine, and installation of options. Safety information is provided throughout, including general safety, safety precautions, and warnings.
Kobelco sk250 10 hydraulic excavator service repair manualfjsjjekdkme
This document outlines general precautions and guidelines for repairing excavator equipment according to the shop manual. It discusses preparing for disassembly, safety during disassembly and assembly, handling hydraulic and electrical equipment, welding repairs, and environmental issues. The outline notes that the copyright belongs to Kobelco and outlines rules for copying or distributing the manual's contents. It also introduces the international unit system used in specifications.
Caterpillar cat 312 c excavator (prefix fds) service repair manual (fds00001 ...fjsjjekdkme
This document provides disassembly instructions for the 312C and 312C L excavator final drive, travel motor, and travel counterbalance valve systems. It outlines 17 steps to disassemble the final drive which includes removing covers, plates, gears, and bearings. It also details 13 steps to disassemble the travel motor such as removing piston assemblies, seals, and barrel components. Finally, it lists 15 steps for disassembling the travel counterbalance valve including removing springs, spools, valves, and housings. Personal safety notices are included throughout regarding releasing pressures and contained parts.
Clark g127 e forklift service repair manualjfdskekdmme
This document provides instructions and safety guidelines for maintaining Clark industrial lift trucks. It discusses the importance of following the manufacturer's recommended maintenance procedures and safety practices. Specific guidelines include properly jacking and blocking trucks, using personal protective equipment, disconnecting power sources, and ensuring good ventilation when working. The document emphasizes that only trained personnel should perform maintenance and repair work.
Kobelco sk380 xdlc 10 hydraulic excavator service repair manualfjsjjekdkme
This document is a shop manual that provides guidelines and safety precautions for maintenance and repairs of hydraulic excavators. It contains sections on specifications, maintenance procedures, systems overview, disassembly/assembly instructions, troubleshooting, engines, and optional attachment installation. The manual is intended to instruct repair and service technicians on proper procedures. Copyright of the manual belongs to Kobelco Construction Machinery and permission is required for copying or distributing its contents.
Kawasaki 90 z6 wheel loader service repair manual (serial no. 90c7 0101 and up)fjsjjekdkme
This document provides specifications and component layout information for a 90Z6 wheel loader.
The specifications section lists operating weights, engine details, dimensions, speeds and other technical specifications for the GSC and LSC models.
The component layout sections include diagrams and lists showing the layout and weights of major components such as the chassis, powertrain, hydraulic, electrical and other systems. Component names, locations and approximate weights are provided.
John deere 48 inch commercial walk behind mower service repair manualjfdskekdmme
This technical manual provides service information for John Deere 38, 48, and 54-inch commercial walk-behind mowers. It contains specifications, repair procedures, and operational testing and adjustments. Safety precautions are outlined, including proper handling of fluids, preventing battery explosions, emergency preparedness, and protective equipment requirements.
Komatsu pc210 lc 6 excavator service repair manual sn a80001 and upfjskekmdm
This shop manual provides service instructions for Komatsu excavators models PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, and PC25OLC-6. The manual is divided into sections covering general information, structure and function, testing and adjustment, disassembly and assembly, and maintenance standards. Safety precautions are outlined, and technicians are instructed to follow proper procedures, wear protective equipment, and ensure all parts are reinstalled correctly. The manual is intended to help technicians safely and effectively service these excavator models.
Komatsu pc1800 6 hydraulic excavator service repair manual (sn 10011 and up)fjskekmdm
This document is a shop manual for repairing a Komatsu PC1800-6 excavator. It provides instructions on removing and installing various components of the excavator including the fuel supply pump, fuel injectors, and other parts. The summary includes:
1. The document is a shop manual divided into sections covering the structure, testing, disassembly and assembly of the PC1800-6 excavator.
2. Instructions are provided on safely removing and installing components like the fuel supply pump, fuel injectors, tubes, and other parts. Precautions and torque specifications are included.
3. Tools needed are listed, along with part numbers, names, and quantities for replacement parts. Detailed steps and caut
Komatsu pc200 lc 7l hydraulic excavator service repair manual sna86001 and upfjskekmdm
This document is a shop manual for the Komatsu PC200LC-7L and PC220LC-7L hydraulic excavators. It provides information on the structure, function, testing, adjusting, troubleshooting, disassembly, and assembly of the excavators. The manual is divided into sections covering general information, structure and function, testing and troubleshooting, disassembly and assembly, and other topics such as diagrams. It is intended as an aid for technicians to perform repairs and make judgments correctly. Customers should contact their distributor for the latest revision, as the manual is subject to continuous updates.
Clark e357 forklift service repair manualfjkskefksmeme
This document is a service manual for Clark lift trucks. It contains safety information, maintenance procedures, and troubleshooting guides for various truck components. The manual instructs technicians on how to properly service and repair the trucks according to the manufacturer's specifications. Safety is emphasized throughout, with warnings about following procedures carefully to avoid injury or faulty repairs.
Clark e357 forklift service repair manualfdhjsekdme
This document is a service manual for Clark lift trucks. It provides maintenance and repair procedures for technicians. The manual contains sections on safety practices, planned maintenance schedules, component inspections and repairs, specifications, and schematics. Regular maintenance is important to keep lift trucks in safe operating condition. Only trained personnel should perform repairs following the manufacturer's recommended procedures.
Clark e357 forklift service repair manualdikdkskdmmd
This document is a service manual for Clark lift trucks. It contains copyrighted information intended only for Clark dealers. The manual provides guidance on maintenance, repairs, inspections and safety for Clark lift trucks through detailed procedures organized by component group. It instructs technicians on how to use the manual and highlights important safety messages and practices for maintenance work.
Clark e357 forklift service repair manualjdfjskekmdme
This document is a service manual for Clark lift trucks. It contains copyrighted information intended only for Clark dealers. The manual provides guidance on maintenance, repairs, inspections and safety for Clark lift trucks through detailed procedures organized by component group. It recommends a planned maintenance program be performed regularly by trained mechanics to inspect components and make necessary adjustments or repairs to increase truck life and reduce downtime.
Clark esm 12 25 forklift service repair manualwedsrffcdgdv
This document provides maintenance instructions for an electric lift truck. It outlines a planned maintenance program with periodic inspections and maintenance tasks to complete. The inspections and tasks are divided into groups to make the maintenance efficient. Safety practices for maintenance are also described. Completing regular planned maintenance is important for the safe operation and long life of the lift truck.
Clark esm 12 25 forklift service repair manualfjsqazkekdmme
This document is a service manual for the SM556 lift truck. It contains sections on safety practices, maintenance procedures, component repair and replacement, specifications, and diagrams. The manual is intended to guide authorized technicians on properly servicing and maintaining the truck according to the manufacturer's recommendations. This ensures the truck remains in safe operating condition.
Clark g127 e forklift service repair manualjfdjskmdmme
This document provides safety instructions for maintaining Clark industrial lift trucks. It discusses safety signs and messages, safe maintenance practices, and general shop precautions. Some key points include:
- Only trained personnel should maintain trucks according to manufacturer's recommendations.
- Properly ventilate work areas and keep floors dry. Avoid fire hazards.
- Before starting work, wear eye protection, raise drive wheels, disconnect power sources, and disconnect batteries when working on electrical systems.
- Close fuel valves before working on engine fuel systems. Test trucks only in safe areas.
Clark gp127 e forklift service repair manualjfdjskmdmme
This document provides instructions and safety precautions for Clark lift truck maintenance personnel. It outlines recommended safe maintenance practices including proper lifting, jacking, and blocking of trucks. The document instructs technicians to only perform maintenance for which they are trained and authorized, using manufacturer specifications and procedures. Technicians are advised to take various safety precautions such as wearing protective equipment and disconnecting power sources before working on trucks.
Clark gp127 e forklift service repair manualfhsjejkdm
This document provides instructions and safety guidelines for Clark lift truck maintenance personnel. It discusses safety signs and messages, safe maintenance practices, and general shop precautions. Specific safety practices include properly jacking, blocking and lifting trucks, following electrical safety procedures, and ensuring only trained personnel conduct maintenance.
Caterpillar cat 325 b excavator (prefix 6dn) service repair manual (6dn00001 ...fjsjjekdkme
This service repair manual provides instructions for removing and installing inlet manifolds, valves, and valve guides on Caterpillar 325B and 325B LN excavator engines. The document outlines the required tools and safety procedures, and provides step-by-step instructions with illustrations for each repair procedure. Technicians are advised to keep parts clean, contain fluids properly, and refer to other documents for guidance on reusable components.
Caterpillar cat 314 e cr excavator (prefix ycw) service repair manual (ycw000...jfdskekdmme
This document provides instructions for removing and installing an engine oil cooler on a Caterpillar C4.4 engine. The removal procedure involves draining coolant, removing mounting bolts and spacers, and removing the oil cooler assembly. The installation procedure specifies cleaning parts and installing the oil cooler assembly with new gaskets and bolts. Tools, safety precautions, and maintenance tips are also provided.
Kawasaki 80 z7 wheel loader service repair manual (serial no. 80c6 5001 and up)fjsjjekdkme
This document provides guidelines and precautions for disassembling and assembling components of a wheel loader. It discusses preparing the work area, marking parts for reassembly, cleaning and inspecting components, applying lubricants, and properly tightening bolts and nuts. Proper maintenance following these guidelines helps prevent damage and ensures safe and efficient reassembly.
Kobelco sk300 lc 10 hydraulic excavator service repair manualfjsjjekdkme
This document is a shop manual that provides specifications, maintenance, system, disassembly, troubleshooting, and engine information for a hydraulic excavator model. It contains sections on specifications, maintenance, systems, disassembly, troubleshooting, engine, and installation of options. Safety information is provided throughout, including general safety, safety precautions, and warnings.
Kobelco sk250 10 hydraulic excavator service repair manualfjsjjekdkme
This document outlines general precautions and guidelines for repairing excavator equipment according to the shop manual. It discusses preparing for disassembly, safety during disassembly and assembly, handling hydraulic and electrical equipment, welding repairs, and environmental issues. The outline notes that the copyright belongs to Kobelco and outlines rules for copying or distributing the manual's contents. It also introduces the international unit system used in specifications.
Caterpillar cat 312 c excavator (prefix fds) service repair manual (fds00001 ...fjsjjekdkme
This document provides disassembly instructions for the 312C and 312C L excavator final drive, travel motor, and travel counterbalance valve systems. It outlines 17 steps to disassemble the final drive which includes removing covers, plates, gears, and bearings. It also details 13 steps to disassemble the travel motor such as removing piston assemblies, seals, and barrel components. Finally, it lists 15 steps for disassembling the travel counterbalance valve including removing springs, spools, valves, and housings. Personal safety notices are included throughout regarding releasing pressures and contained parts.
Clark g127 e forklift service repair manualjfdskekdmme
This document provides instructions and safety guidelines for maintaining Clark industrial lift trucks. It discusses the importance of following the manufacturer's recommended maintenance procedures and safety practices. Specific guidelines include properly jacking and blocking trucks, using personal protective equipment, disconnecting power sources, and ensuring good ventilation when working. The document emphasizes that only trained personnel should perform maintenance and repair work.
Kobelco sk380 xdlc 10 hydraulic excavator service repair manualfjsjjekdkme
This document is a shop manual that provides guidelines and safety precautions for maintenance and repairs of hydraulic excavators. It contains sections on specifications, maintenance procedures, systems overview, disassembly/assembly instructions, troubleshooting, engines, and optional attachment installation. The manual is intended to instruct repair and service technicians on proper procedures. Copyright of the manual belongs to Kobelco Construction Machinery and permission is required for copying or distributing its contents.
Kawasaki 90 z6 wheel loader service repair manual (serial no. 90c7 0101 and up)fjsjjekdkme
This document provides specifications and component layout information for a 90Z6 wheel loader.
The specifications section lists operating weights, engine details, dimensions, speeds and other technical specifications for the GSC and LSC models.
The component layout sections include diagrams and lists showing the layout and weights of major components such as the chassis, powertrain, hydraulic, electrical and other systems. Component names, locations and approximate weights are provided.
John deere 48 inch commercial walk behind mower service repair manualjfdskekdmme
This technical manual provides service information for John Deere 38, 48, and 54-inch commercial walk-behind mowers. It contains specifications, repair procedures, and operational testing and adjustments. Safety precautions are outlined, including proper handling of fluids, preventing battery explosions, emergency preparedness, and protective equipment requirements.
Komatsu pc210 lc 6 excavator service repair manual sn a80001 and upfjskekmdm
This shop manual provides service instructions for Komatsu excavators models PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, and PC25OLC-6. The manual is divided into sections covering general information, structure and function, testing and adjustment, disassembly and assembly, and maintenance standards. Safety precautions are outlined, and technicians are instructed to follow proper procedures, wear protective equipment, and ensure all parts are reinstalled correctly. The manual is intended to help technicians safely and effectively service these excavator models.
Komatsu pc1800 6 hydraulic excavator service repair manual (sn 10011 and up)fjskekmdm
This document is a shop manual for repairing a Komatsu PC1800-6 excavator. It provides instructions on removing and installing various components of the excavator including the fuel supply pump, fuel injectors, and other parts. The summary includes:
1. The document is a shop manual divided into sections covering the structure, testing, disassembly and assembly of the PC1800-6 excavator.
2. Instructions are provided on safely removing and installing components like the fuel supply pump, fuel injectors, tubes, and other parts. Precautions and torque specifications are included.
3. Tools needed are listed, along with part numbers, names, and quantities for replacement parts. Detailed steps and caut
Komatsu pc200 lc 7l hydraulic excavator service repair manual sna86001 and upfjskekmdm
This document is a shop manual for the Komatsu PC200LC-7L and PC220LC-7L hydraulic excavators. It provides information on the structure, function, testing, adjusting, troubleshooting, disassembly, and assembly of the excavators. The manual is divided into sections covering general information, structure and function, testing and troubleshooting, disassembly and assembly, and other topics such as diagrams. It is intended as an aid for technicians to perform repairs and make judgments correctly. Customers should contact their distributor for the latest revision, as the manual is subject to continuous updates.
Clark e357 forklift service repair manualfjkskefksmeme
This document is a service manual for Clark lift trucks. It contains safety information, maintenance procedures, and troubleshooting guides for various truck components. The manual instructs technicians on how to properly service and repair the trucks according to the manufacturer's specifications. Safety is emphasized throughout, with warnings about following procedures carefully to avoid injury or faulty repairs.
Clark e357 forklift service repair manualfdhjsekdme
This document is a service manual for Clark lift trucks. It provides maintenance and repair procedures for technicians. The manual contains sections on safety practices, planned maintenance schedules, component inspections and repairs, specifications, and schematics. Regular maintenance is important to keep lift trucks in safe operating condition. Only trained personnel should perform repairs following the manufacturer's recommended procedures.
Clark e357 forklift service repair manualdikdkskdmmd
This document is a service manual for Clark lift trucks. It contains copyrighted information intended only for Clark dealers. The manual provides guidance on maintenance, repairs, inspections and safety for Clark lift trucks through detailed procedures organized by component group. It instructs technicians on how to use the manual and highlights important safety messages and practices for maintenance work.
Clark e357 forklift service repair manualjdfjskekmdme
This document is a service manual for Clark lift trucks. It contains copyrighted information intended only for Clark dealers. The manual provides guidance on maintenance, repairs, inspections and safety for Clark lift trucks through detailed procedures organized by component group. It recommends a planned maintenance program be performed regularly by trained mechanics to inspect components and make necessary adjustments or repairs to increase truck life and reduce downtime.
Clark esm 12 25 forklift service repair manualwedsrffcdgdv
This document provides maintenance instructions for an electric lift truck. It outlines a planned maintenance program with periodic inspections and maintenance tasks to complete. The inspections and tasks are divided into groups to make the maintenance efficient. Safety practices for maintenance are also described. Completing regular planned maintenance is important for the safe operation and long life of the lift truck.
Clark esm 12 25 forklift service repair manualfjsqazkekdmme
This document is a service manual for the SM556 lift truck. It contains sections on safety practices, maintenance procedures, component repair and replacement, specifications, and diagrams. The manual is intended to guide authorized technicians on properly servicing and maintaining the truck according to the manufacturer's recommendations. This ensures the truck remains in safe operating condition.
Clark g127 e forklift service repair manualjfdjskmdmme
This document provides safety instructions for maintaining Clark industrial lift trucks. It discusses safety signs and messages, safe maintenance practices, and general shop precautions. Some key points include:
- Only trained personnel should maintain trucks according to manufacturer's recommendations.
- Properly ventilate work areas and keep floors dry. Avoid fire hazards.
- Before starting work, wear eye protection, raise drive wheels, disconnect power sources, and disconnect batteries when working on electrical systems.
- Close fuel valves before working on engine fuel systems. Test trucks only in safe areas.
Clark gp127 e forklift service repair manualjfdjskmdmme
This document provides instructions and safety precautions for Clark lift truck maintenance personnel. It outlines recommended safe maintenance practices including proper lifting, jacking, and blocking of trucks. The document instructs technicians to only perform maintenance for which they are trained and authorized, using manufacturer specifications and procedures. Technicians are advised to take various safety precautions such as wearing protective equipment and disconnecting power sources before working on trucks.
Clark gp127 e forklift service repair manualfhsjejkdm
This document provides instructions and safety guidelines for Clark lift truck maintenance personnel. It discusses safety signs and messages, safe maintenance practices, and general shop precautions. Specific safety practices include properly jacking, blocking and lifting trucks, following electrical safety procedures, and ensuring only trained personnel conduct maintenance.
Clark gp127 e forklift service repair manualdikskekmdmdm
This document provides safety instructions for maintaining Clark industrial lift trucks. It discusses safety signs and messages, safe maintenance practices, and general shop precautions. Some key points include:
- Only trained personnel should maintain trucks according to manufacturer's recommendations.
- Properly ventilate work areas and keep floors dry. Avoid fire hazards.
- Before starting work, wear eye protection, raise drive wheels, disconnect power sources, and disconnect batteries when working on electrical systems.
- Close fuel valves before working on engine fuel systems. Test trucks only in safe areas.
Clark g127 forklift service repair manualdikskekmdmdm
This document provides safety instructions for maintaining Clark industrial lift trucks. It discusses safety signs and messages, safe maintenance practices, and general shop precautions. Some key points include:
- Only trained personnel should maintain trucks according to manufacturer's recommendations.
- Properly ventilate work areas and keep floors dry. Avoid fire hazards.
- Before starting work, wear eye protection, raise drive wheels, disconnect power sources, and disconnect batteries when working on electrical systems.
- Close fuel valves before working on engine fuel systems. Test trucks only in safe areas.
Clark g127 forklift service repair manualfhsjejkdm
This document provides instructions and safety guidelines for Clark lift truck maintenance personnel. It discusses safety signs and messages, safe maintenance practices, and general shop precautions. Specific safety practices include properly jacking, blocking and lifting trucks, following electrical safety procedures, and ensuring only trained personnel conduct maintenance. The document emphasizes the importance of following manufacturer recommendations and guidelines to safely conduct maintenance and avoid injuries.
Clark g127 e forklift service repair manualfhsjejkdm
This document provides instructions and safety guidelines for Clark industrial lift truck maintenance personnel. It outlines safe maintenance practices including lifting, jacking and blocking procedures. The document instructs technicians to only perform maintenance if properly trained, use personal protective equipment, disconnect power sources, and ventilate work areas. Technicians are advised to carefully read all procedures before starting any repair work.
Clark gp127 forklift service repair manualjfdjskmdmme
This document provides safety instructions for maintaining Clark industrial lift trucks. It discusses safety signs and messages, safe maintenance practices, and general shop precautions. Some key points include:
- Only trained personnel should maintain trucks according to manufacturer's recommendations.
- Properly ventilate work areas and avoid fire hazards. Wear protective equipment when working.
- Raise wheels, disconnect power, and remove jewelry before starting work. Disconnect batteries when working on electrical systems.
- Close fuel valves before working on engine fuel systems and only test trucks in safe areas.
Clark gp127 forklift service repair manualfhsjejkdm
This document provides instructions and safety precautions for Clark industrial lift truck maintenance personnel. It outlines recommended safe maintenance practices including properly jacking, blocking and towing trucks. The document instructs technicians to only perform maintenance if trained and authorized, using manufacturer procedures and recommendations. Technicians are advised to take safety precautions such as wearing protective equipment, disconnecting power sources, and avoiding fire hazards.
Clark gp127 forklift service repair manualdikskekmdmdm
This document provides safety instructions for maintaining Clark industrial lift trucks. It discusses safety signs and messages, safe maintenance practices, and general shop precautions. Some key points include:
- Only trained personnel should maintain trucks according to manufacturer's recommendations.
- Properly ventilate work areas and keep floors dry. Avoid fire hazards.
- Before starting work, wear eye protection, raise drive wheels, disconnect power sources, and disconnect batteries when working on electrical systems.
- Close fuel valves before working on engine fuel systems. Test trucks only in safe areas.
Clark g127 forklift service repair manualjfdjskmdmme
This document provides safety instructions for maintaining Clark industrial lift trucks. It discusses safety signs and messages, safe maintenance practices, and general shop precautions. Some key points include:
- Only trained personnel should maintain trucks according to manufacturer's recommendations.
- Properly ventilate work areas and keep floors dry. Avoid fire hazards.
- Before starting work, wear eye protection, raise drive wheels, disconnect power sources, and disconnect batteries when working on electrical systems.
- Close fuel valves before working on engine fuel systems. Test trucks only in safe areas.
Clark g127 e forklift service repair manualdikskekmdmdm
This document provides safety instructions for maintaining Clark industrial lift trucks. It discusses safety signs and messages, safe maintenance practices, and general shop precautions. Some key points include:
- Only trained personnel should maintain trucks according to manufacturer's recommendations.
- Properly ventilate work areas and keep floors dry. Avoid fire hazards.
- Before starting work, wear eye protection, raise drive wheels, disconnect power sources, and disconnect batteries when working on electrical systems.
- Close fuel valves before working on engine fuel systems. Test trucks only in safe areas.
Clark hwd 30 forklift service repair manualfhjsjekdmme
This document provides instructions for performing planned maintenance on Clark industrial trucks. It outlines visual inspections, operational tests, and checks of components like the battery, tires, frame, control handle, steering, brakes, travel speeds, and coast control. Technicians are instructed to note any issues found on a check sheet using a coding system to indicate the urgency of repairs needed.
Clark hwd 25 forklift service repair manualdikskedmdm
This document provides instructions and safety precautions for performing planned maintenance on Clark industrial trucks. It outlines inspection procedures for components like the battery, plug, and cover. Technicians should note any issues found during inspection on a check sheet using a coding system to indicate the urgency of repairs needed. Safety is emphasized, and jewelery should be removed before inspecting electrical components.
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2. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
SERVICE MANUAL
SM538
NP/NS 300 C&D
CONTENTS
GROUP
FOREWORD
HOW TO USE THIS MANUAL
PICTORIAL INDEX
SAFETY AND OPERATIONAL CHECKS
RECOMMENDED PLANNED MAINTENANCE
AND LUBRICATION SCHEDULE
SAFETY SIGNS AND MESSAGES
USER SAFE MAINTENANCE PRACTICES
GROUP
PM Planned Maintenance Program
12 Battery Handling and Care
13 Accelerator Control
16 Electric Motor general maintenance
16 Drive motor
16 Lift Pump Motor
16 Steer Pump Motor
19 SCR Control ,Test, Equip., Proceedures
19 SCR, Symptom Charts
19 Control Panel
20 Drive Unit
22 Wheels and Tires
23 Brake
25 Caster Adjustment
26 Steering System
26 Power Steering Pump
29 Hydraulic Lift Pump
30 Main Hydraulic Valve
32 Tilt Cylinder Model C
32 Reach Cylinder Model C
32 Lift Cylinder Model D
32 Tilt Cylinder NP D
32 Tilt Cylinder NS D
32 Reach Cylinder NP D
34 Upright Removal Model C
34 Upright Maintenance Model C
34 Upright Lift Cylinder Model C
34 Pantograph Model C
34 Upright Removal Model D
34 Upright Maintenance Model D
34 Pantograph NP D
38 Machine Jacking & Blocking
40 Truck Data, Specifications
SM538 i
PAGE
ii
...
III
iv
V
vi
vii
...
VIII
PAGE
PM-l
12-01-l
13-01-l
16-01-l
16-02-o
16-03-l
16-04-l
19-02-l
19-03-l
19-04-l
20-01-l
22-01-l
23-01-l
25-01-l
26-01-l
26-02-l
29-01-l
30-01-l
32-01-l
32-02-l
32-03-l
32-04-l
32-05-l
32-06-l
34-01-l
34-02-l
34-03-l
34-04-l
34-05-l
34-06-l
34-07-l
38-02-i
40-02-l
3. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
FOREWORD
Clark Equipment Company welcomes you to the growing group of professional
people who own, operate and maintain Clark lift trucks. This manual will familiarize you
with service maintenance and overhaul information about your new truck. It has been
especially prepared to help you maintain your Clark lift truck in an efficient and safe
operating condition.
Regular, correct maintenance and care of your lift truck is not only important for full
and efficient truck life; it is essential for your safety. A faulty lift truck is a potential
source of danger to the operator, and to other personnel working near it. The
importance of maintaining your lift truck in a safe operating condition by servicing it
regularly and, when necessary, repairing it promptly cannot be emphasized too
strongly.
To assist you in keeping your lift truck in good operating condition, this manual
includes an outline of planned maintenance (PM) procedures that are considered
essential to the life and safe performance of your truck. Brief procedures for
inspections, operational checks, cleaning, lubrication, and adjustments are included
for your reference.
Clark recommends that a planned maintenance and safety inspection program (PM)
be performed by a trained and authorized mechanic on a regular basis. The PM
program provides the opportunity to make thorough inspections and checks on the
safe condition of your truck. Necessary adjustments and repairs can be done during
the PM, which will increase the life of components and reduce unscheduled
downtime. The need for major adjustments, repairs, or replacements is found and
corrections made as required; not after failure has occurred.
SM538 ii
4. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
HOW TO USE THIS MANUAL
This manual is intended to be used by persons who are trained and authorized to do
lift truck maintenance. The recommended procedures for routine servicing and
adjustments as well as for removal and overhaul of major components of the truck are
outlined. It is written to show and describe the adjustment, removal, disassembly,
inspection, repair, and assembly steps that are normally required to service these
components.
The detailed procedures are arranged in sequence by numbered GROUP and
Section. The GROUP numbers are the same as the component group in the Master
Parts Book. Each GROUP has its own Table of Contents, so that you can find the
various topics within more easily. If you cannot find a topic in the Table of Contents,
check the Index at the back of the manual.
Component specifications, information notes and safety messages are included at
the proper step of each procedure. To be better prepared to do the necessary
service work, please take time to read the entire procedure, including any special
instructions, before doing any work.
Specifications of selected truck components are included at the back of the manual
for easy reference.
Also refer to the Operator’s Manual, located on the truck, for additional information
and instructions on the operation and maintenance of your truck.
If you have need for more information on the care and repair of your truck, please
contact your authorized Clark dealer.
NOTICE - The descriptions and specifications included in this manual were in effect at the time of printing. Clark
Equipment Company reserves the right to make improvements and changes in specifications or design, without notice
and without incurring obligation. Please check with your authorized CLARK dealer for information on possible updates
or revisions.
0 Clark Equipment Company 1987
SM538 iii
5. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
PICTORIAL INDEX
NP/NS 30Tquf;row Aisle
(NP) = Pantograph
(NS) = Straddle (no
pantograph)
1_ Overhead guard
2. Overhead guard rear post
3. Upri ht assembly
4. Loa 2 backrest extension
5. Fork carria 9 e
6. Load whee s (NP model shown)
7. Load forks
8. Pantograph mechanism (NP only)
9. Swivel caster
10. Battery compartment
SM538 iv
6. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
SAFETY AND OPERATIONAL CHECKS
PM Interval:
A=8 - 10 hours, or daily
B = 50 - 250 hours. or everv month
c=450- 500 ho&, or e@ry 3 months
D = 900 -
E = 2000
1000 hours, or every 6 months
hours, or every year
DAILY MAINTENANCE CHECKS
Check truck for obwous damage and leaks.
Check / clean battery terminals
Check electrolyte level.
Check capacity, warning plates, decals
Check condition of tires and wheels. Remove
SM538 v
7. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
RECOMMENDED PLANNED MAINTENANCE
AND LUBRICATION SCHEDULE
Lubrication
Standard
CHECK OR LUBRICATE
(1-W-
Guide rollers (1-A)
Cable sheave (8- J)
fl>6-F ) Fork
(1 -A) Pantograph
43-J) Lift chain
& Upr. rollers (1-K) -
4
‘:-l_~~~~s~~~r?(?J~
(1-E) Batt. rollers
51&6-F) Cont. Handle
f
4, Trans. case ( 2 -G)
&8-J) Pedal shaft
(‘Steer gears (7-J) -
--_( 1-A) Swivel bar.I
Trans. yoke (1-A) /
,,I’_ Hyd.oilfilter(D)~~'~i Eh:;'Ll
150 hours
500 hours
I’ 1000 hours
I 2000 hours
r
Lubricants
(1) - MPl- multi
grease NLc?
urpose
1 # 1
(6) - SAE 20
Engine oil
(2) - GL5 - transmission
lubriiant APl GL5 (7) - 886785
Spray lubricant
(3) - CCa-;hgi$xicant (8) - Dry graphite
(5) - MS68
Hydraulic oil
-Method
A - Use standard lube gun
II
B - Use lube gun and adaptor
for flush type fittings
(C) - Clean in solvent and re-oil
I
D) - Change filter
E) - Remove, clean and repack
F) - Apply light film
G) - Drain, flush and refill
H) - Repack bearing
J) - Clean and lubricate
(K) - Apply to channel of rail
SM538 vi
8. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
SAFETY SIGNS AND SAFETY MESSAGES
Improper or careless techniques cause accidents. Don’t take chances with incorrect or
damaged equipment. Read and understand the procedures for safe operation and
maintenance outlined in this manual.
STAY ALERT! Follow safety rules, regulations and procedures. Accidents can be
avoided by recognizing dangerous procedures or situations before they occur.
DRIVE AND WORK SAFELY and follow the safety signs and their messages displayed
on the truck and in this manual.
SAFETY SIGNS and MESSAGES are placed in this manual and also on the lift truck to
provide instructions and to identify specific areas where potential hazards exist and
special precautions should be taken. Be sure you know and understand the meaning
of these instructions, signs and messages. Damage to the truck or death or serious
injury to you or other persons may result if these messages are not followed.
NOTICE This message is used when special information, instructions or identification
is required relating to procedures, equipment, tools, pressures, capacities and other
special data.
IMPORTANT This message is used when special precautions should be taken to
ensure a correct action or to avoid damage to or malfunction of the truck or a
component.
CAUTION This message is used as a reminder of safety hazards which can result in
personal injury if proper precautions are not taken.
WARNING This message is used when a hazard exists which can result in injury or
death if proper precautions are not taken.
DANGER This message is used when an extreme hazard exists which will result in
death or serious injury if proper precautions are not taken.
SM538 vii
9. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
USER SAFE MAINTENANCE PRACTICES
The following instructions have been prepared
from current industry and government safety
standards applicable to industrial truck operations
and maintenance. These recommended
procedures specify conditions, methods, and
accepted practices that aid in the safe mainte-
nance of industrial trucks. They are listed here for
the reference and safety of all workers during
maintenance operations. Carefully read and
understand these instructions and the specific
maintenance procedures before attempting to do
any repair work. When in doubt of any mainte-
nance procedure, please contact your local
CLARK dealer.
1. Powered industrial trucks can become hazard-
ous if maintenance is neglected. Therefore,
suitable maintenance facilities, trained personnel,
and procedures must be provided.
2. Maintenance and inspection of all powered
industrial trucks shall be done in conformance with
the manufacturer’s recommendations.
3. A scheduled planned maintenance, lubrication,
and inspection program shall be followed.
4. Only trained and authorized personnel shall be
permitted to maintain, repair, adjust, and inspect
industrial trucks, and in accordance with the
manufacturer’s specifications.
5. Properly ventilate work area, vent exhaust
fumes, and keep shop clean and floor dry.
6. Avoid fire hazards and have fire protection
equipment present in the work area. Do not use
an open flame to check for level, or leakage of fuel,
electrolyte, or coolant. Do not use open pans of
fuel or flammable cleaning fluids for cleaning parts.
7. Before Starting Work On Truck:
a) Raise drive wheel(s) off of floor or disconnect
power source and use blocks or other positive
truck-positioning devices.
b) Put blocks under the load engaging means,
innermast( or chassis before working on them.
c) Disconnect battery before working on the
electrical system.
8. Before working on engine fuel system of
gasoline powered trucks with gravity-feed fuel
systems, be sure fuel shutoff valve is closed.
9. Before working on engine fuel system of LP-
gas powered trucks, close LP-gas cylinder valve
and run engine until there is no more fuel in the
system and engine stops running. If engine will
not run, close LP-tank valve and vent fuel slowly in
a safe area.
10. Operation of the truck to check performance
must be conducted in an authorized, safe, clear
area.
11. Before Starting To Drive Truck:
a) Be in operating position.
b) Disengage clutch on manual transmissions, or
apply brake on trucks with powershift transmission
and electric trucks.
c) Put directional control in neutral.
d) Start engine or turn on power.
e) Check functioning of lift and tilt systems,
directional and speed controls, steering, brakes,
warning devices, and any load handling
attachments.
12. Before Leaving The Truck:
a) Stop truck.
b) Fully lower the load engaging nii .
upright, carriage, forks, or attachments.
c) Put directional control in neutral.
d) Apply the parking brake.
e) Stop the engine or turn off power.
f) Turn off the control or ignition circuit.
g) Put blocks at the wheels, if truck is on an
incline.
13. Handle LP-gas cylinders with care. Damage
such as dents, scrapes, or gouges may
dangerously weaken the tank and make it unsafe
for use.
14. Brakes, steering mechanisms, control
mechanisms, warning devices, lights, governors,
lift overload devices, guards and safety devices, lift
and tilt mechanisms, articulating axle stops, and
frame members must be carefully and regularly
inspected and maintained in a safe operating
condition.
SM538 viii
10. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
USER SAFE MAINTENANCE PRACTICES
15. Special trucks or devices designed and
approved for hazardous area operation must
receive special attention to ensure that main-
tenance preserves the original, approved safe
operating features.
16. Fuel systems must be checked for leaks and
condition of parts. Extra special consideration
must be given in the case of a leak in the fuel
system. Action must be taken to prevent the use
of the truck until the leak has been corrected.
17. All hydraulic sytems must be regularly
inspected and maintained in conformance with
good practice. Tilt and lift cylinders, valves, and
other similar parts must be checked to assure that
“drift” or leakage has not developed to the extent
that it would create a hazard.
18. When working on hydraulic system, be sure
the engine is turned off or battery disconnected
on electric trucks, upright is in its fully-lowered
position, and hydraulic pressure relieved in hoses
and tubing. WARNING -- Always put blocks under
the carriage and upright rails when necessary to
work with upright in an elevated position.
19. The truck manufacturer’s capacity, operation
and maintenance instruction plates, tags, or decals
must be maintained in legible condition.
20. Batteries, motors, controllers, limit switches,
protective devices, electrical conductors and
connections must be inspected and maintained in
conformance with good practice. Special attention
must be paid to the condition of electrical
insulation.
21. To avoid injury to personnel or damage to the
equipment, consult the manufacturer‘s
procedures in replacing contacts on any battery
connection.
22. Industrial trucks must be kept in a clean
condition to minimize fire hazards and help in the
detection of loose or defective parts.
23. Modifications and additions that affect
capacity and safe truck operation must not be
done without the manufacturer’s prior written
approval. Capacity, operation and maintenance
instruction plates, tags or decals must be changed
accordingly.
24. Care must be taken to assure that all
replacement parts, including tires, are
interchangeable with the original parts and of a
quality at least equal to that provided in the original
equipment. Parts, including tires, are to be
installed per the manufacturer’s procedures.
Always use genuine CLARK or CLARK-approved
parts.
25. When removing tires, follow industry safety
practices. Most important, deflate pneumatic tires
completely prior to removal. Following assembly of
tires on multi-piece rims, use a safety cage or
restraining device while inflating.
26. Use special care when removing heavy
components from the truck, such as
counterweight, upright, etc. Be sure that lifting
and handling equipment is of the correct capacity
and in good condition.
NOTICE -- You should also be familiar with
additional operating and maintenance safety
instructions contained in the following
publications:
ANSVASME B56.1 - 1983: Safety Standard for
Low Lift and High Lift Trucks (Safety Code For
Powered Industrial Trucks). Published by: Society
of Mechanical Engineers, United Engineering
Center, 345 E. 47th Street, New York, N.Y.
10017.
NFPA 505-l 982: Fire Safety Standard for
Powered Industrial Trucks: Type Designations,
Areas of Use, ,Maintenance and Operation.
Available from: National Fire Protection Assoc.,
Inc., Batterymarch Park, Quincy, MA 02269.
General Industry Standards, OSHA 2206: OSHA
Safety and Health Standards (29 CFR 1910),
Subpart N-Materials Handling and Storage,
Section 1910.178 Powered Industrial Trucks. For
sale by: Superintendent of Documents, U.S.
Government Printing Office, Washington, D.C
20402.
SM538 ix
11. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
PM - PLANNED MAINTENANCE
PROGRAM
CONTENTS
General
Visual Inspection
Functional Tests
Test Drive The Truck
Air Cleaning
Critical Fastener Torque Check
Lubrication, Fluids and Filters
PG
:
5
8
11
11
11
GENERAL
A planned maintenance program of regular,
routine inspections and lubrication is important for
long l,ife and trouble-free operation of your lift
truck. Make and keep records of your inspections.
Use these records to help establish the correct PM
intervals for your application and to indicate
maintenance required to prevent major problems
from occurring during operation.
PM Report Form
As an aid in performing and documenting your PM
inspections, Clark has prepared an “ELECTRIC
TRUCK PLANNED MAINTENANCE REPORT”
form. Copies of this form may be obtained from
your authorized CLARK dealer. We recommend
that you use this form as a checklist and to make a
record of your inspection and truck condition.
The periodic maintenance procedures outlined in
this manual are intended to be used with PM report
form. They are arranged in groupings of
maintenance work that are done in a logical and
efficient sequence.
A check mark or entry is made on PM Report Form
when PM is performed. Please note special
coding system for indicating importance of needed
repairs and/or adjustments.
When you have finished PM inspections, be sure
to give a copy of report to designated authority or
person responsible for lift truck maintenance.
Do not make repairs or adjustments
unless authorized to do so.
For safety, it is good practice to:
Remove all jewelry (watch, rings, bracelets, etc.)
before working on the truck.
Disconnect battery from truck receptacle before
working on electrical components.
Always wear safety glasses. Wear a safety
(hard) hat in industrial plants and in special work
areas where protection is necessary or
required.
HOW TO PERFORM THE PM PERIODIC
INSPECTIONS AND MAINTENANCE
VISUAL INSPECTION
First, perform a visual inspection of lift truck and
its components. Walk around truck and take note
of any obvious damage and maintenance
problems. Check for loose fasteners and fittings.
L
Check to be sure all capacity, safety, and warning
plates or decals are attached and legible.
NOTICE
NAMEPLATES & DECALS
Do not operate a lift truck with damaged or
missing decals and nameplates. Replace
them immediately. They contain important
information.
SM538 PM - 1
12. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
Inspect truck for any signs of external leakage:
transmission fluid, etc. Check for hydraulic oil leaks
and loose fittings. DO NOT USE BARE HANDS
TO CHECK. Oil may be hot or under pressure.
SAFETY NOTE
HYDRAULIC FLUID PRESSURE
Do not use your hands to check for
hydraulic leakage. Fluid under pressure
can penetrate your skin and cause serious
injury.
Be sure that driver’s overhead guard, load backrest
extension, finger guards, shields, padding, and
any other safety devices are in place, undamaged,
and attached securely.
NOTICE - For trucks equipped with spark-
enclosed construction (EE), or with
polyurethane tires: Check ground strap for
security of attachment and wear damage.
Then, check all of the critical components that
handle or carry the load.
1
Overhead Guard
Upright
Load Backrest XI
Extension
r
Forks Carriage -_
I
Load Wheel
I Outrigger
Check overhead guard for damage. Be sure that it
is properly positioned and all mounting fasteners
are in place and tight.
Check load backrest for damage. Inspect welds on
carriage and load backrest for cracks. Be sure that
mounting fasteners are all in place and tight.
NOTE - If load backrest has been
removed, a bolt and washer must be in
place on each end of top fork bar to act as a
fork stop.
SAFETY NOTE
Uprights can drop suddenly. Look at
upright, but keep hands out.
Inspect upright assembly: rails, carriage rollers, lift
chains, lift and tilt cylinders, reach mechanism and
reach cylinder. Look for obvious wear and
maintenance problems, damaged or missing parts.
Check for any loose parts or fittings. Check for
leaks, any damaged or loose rollers. and rail wear
(metal flaking). Carefully check lift chains fcr ‘qr.
rust and corrosion, cracked or broken 11~11
stretching, etc. Check that lift and carriage chains
are correctly adjusted to have equal tension.
Check that lift chain anchor fasteners and locking
means are in place and tight.
Be sure all safety guards and chain retainers are in
place and not damaged. Inspect carriage stops
and cylinder retainers. Check all welded
connections.
Inspect all lift line hydraulic connections for leaks.
Check lift cylinder rod, tilt cylinder rod and reach
cylinder rod for wear marks, grooves, and
scratches. Check cylinder seals for leaks.
IMPORTANT
Uprights and lift chains require special
attention and maintenance to maintain
them in safe operating condition. Refer to
Lift Chain Maintenance section for
additional information.
SM538 PM - 2
13. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
Forks
Inspect load forks for cracks, breaks, bending and
wear. The fork top surfaces should be level and
even with each other. The height difference
between both fork tips should be no more than 3%
of fork length.
FORK LENGTH X .03 = HEIGHT DIFFERENCE
blade of fork with 4” surface against blade. Put a
24” carpenters square on top of block and against
shank. Check fork 20” above blade to be sure it is
not bent more than 1 inch maximum.
If fork blades are obviously bent or damaged, have
them inspected by a trained maintenance person.
Inspect fork latches. Be sure they are not
damaged or broken and operate freely and lock
correctly. Check fork stop pins (or bolt and washer)
for secure condition.
-
10% of ‘A’
max. wear
Check amount of wear at heel of fork.
WARNING
If fork blade at the heel is worn down by
more than lo%, load capacity is reduced
and the fork must be replaced. (IE. 1.75 X
.9 = 1.575 MINIMUM THICKNESS
PERMITTED FOR AN ORIGINAL FORK
THICKNESS OF 1.75 INCHES).
Shlank
Inspect forks for twists and bends. To check, put a
2” thick metal block, at least 4” wide by 24” long on
SM538 PM - 3
14. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
Wheels and Tires
Check condition of drive wheel and tire, of
stabilizing caster wheel, and of load wheels.
Remove objects that are embedded in treads.
Inspect tires for excessive wear and breaks or
“chunking out”, and bond failure between tire and
rim.
Check all wheel lug nuts or mounting fasteners to
be sure none are loose or missing.
Have missing fasteners replaced and loose
fasteners tightened to correct torque before
operating truck.
FUNCTIONAL TESTS
Be sure that all controls and systems are
functioning correctly.
Test all warning devices, horn, lights, and other
safety equipment and accessories. Be sure they
are properly mounted and working correctly.
Press horn button to check horn function. If horn
or any other part does not operate, report failure
and have it repaired before truck is put back into
operation.
Operate brake pedal, all hydraulic controls: Ii’
reach, and auxiliary (if installed), operator hacd
control accelerator and directional control, an?
steering system. Be sure all controls operate
freely and return to neutral properly.
SAFETY NOTE
Personnel working on wheels and tires
must be trained and qualified to do wheel
and tire maintenance.
I v+l I
I
I I
I
Check function of foot brake mechanism. Apply,
then release foot-operated pedal. When correctly
adjusted, foot pedal should move to brake-applied
position by spring action when released. If foot
pedal binds or does not operate freely, apply
lubricant to linkage at pivot points.
Fully rotate operators control handle and then
release, to check for free movement.
SM538 PM - 4
15. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
Check directional control by rotating control handle
both ways, then releasing handle, for correct
function. Report any malfunction. Do not attempt
to operate truck until repair has been made.
Be sure lift and tilt contol feature of control handle
moves freely and returns to center or neutral
position when released.
Before starting a lift truck, begin from a
safe condition. Check to see that:
Brake is applied (foot is not on brake pedal).
Forks are fully lowered to floor.
You are familiar with how all controls function.
All controls are in neutral or other correct
position.
Turn key switch ON.
Check hour meter operation. With key switch ON,
release brake (step on brake pedal). The steer
pump and hourmeter should begin operating.
Watch for movement of indicator in the dial
opening. Report any malfunction or damage.
Turn key switch off and remove foot from brake.
Power steer motor should stop running after an
eight (8) second delay.
Write hourmeter reading on PM report
form.
Check battery discharge indicator. The indicator
should register in green area when key switch is
ON. Also, check function of battery discharge
indicator when making a battery load test, below.
Battery Load Test
Check battery condition by holding operator hand
control in full back-tilt position, allowing pump to
run against loading of bypass relief pressure for a
few seconds. Watch battery discharge indicator.
The needle should stay in green area. If needle
falls into red area, battery is faulty or charge level is
low and battery must be recharged before
completing other electrical tests and performance
parts of PM.
BEFORE DRIVING THE TRUCK,
DO THESE TESTS:
Test for correct function of lift pump motor switch
on LIFT portion of operator control handle. Turn
key switch ON. Slowly pull back on operator
control handle (RAISE position). The pump motor
should start to run as handle moves from neutral
position. Push handle forward (LOWER position)
until upright starts to lower. Pump will stop
running. Pump motor should not operate when
handle is moved to “lower” position.
If operator control handle movement is excessive
before pump starts, or if pump does not stop
running when handle returns to neutral, spool
position switch needs repair or adjustment.
Test for correct function of motor switch for TILT,
REACH, and AUX function control.
Slowly move tilt control portion of operator control
handle forward and then backwards, while
SM538 PM - 5
16. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
pressing on blue side of toggle switch (showing
picture of TILT on switch). (Pressing this blue
switch prevents LIFT motor from turning ON).
This movement should activate tilt cylinder.
Repeat test for reach control, if installed, by
depressing yellow side of toggle switch (showing
picture of REACH on switch) and pulling back or
pushing forward on control handle at same time.
Refer to discussion above if handle movement or
switch action is not correct.
Check function of parking brake microswitch. With
key switch ON and parking brake applied (foot off
brake pedal), move operator control handle to
FORWARD position. Rotate operator control
handle for FWD direction slowly _ The drive motor
should not operate. If it does, microswitch on the
parking brake linkage is not adjusted correctly.
Also, check REVERSE direction rotation of
handle.
Check brake switch and braking action. Release
brake by stepping on brake pedal. Rotate
operators control handle to move truck slowly
forward. Then, apply brake by taking foot off brake
pedal. The brake should turn drive motor off and
stop and hold truck from further movement.
To check brake holding capability and adjustment,
park truck on a grade and apply brake. The brake
should hold a lift truck with rated load on a 15%
grade. When brake pedal is released, brake
should not drag.
CAUTION - Do not operate a lift truck
if brake is not operating properly.
Test for correct function of power steering pump
switch and system. Turn key switch ON, and
release brake. The steer pump should begin
operating.
With truck not moving, check steering system by
moving steering handwheel in a full right turn, and
then in a full left turn. Return handwheel (steer
wheel) to straight-ahead position. The steering
components should operate smoothly when
steering wheel is turned. Listen for steering
pressure relief valve to by-pass when steer wheel
hits stops. The steer pump and motor should not
stall or exhibit excessive loading. If it does, power
steering system relief pressure valve may be
malfunctioning.
Turn key switch OFF and apply brake. Steer pump
should stop after an eight (8) second delay.
NOTICE - The steering system, steer wheel and
steering linkage should be inspected periodically
for abnormal looseness and damage. Check for
any changes in steering action. Hard steering,
excessive freeplay (looseness) or unusual sounds
when turning or maneuvering indicates a need for
inspection and servicing.
Never operate a truck which has a
steering system fault.
SM538 PM - 6
17. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
TEST DRIVE THE TRUCK
NOTE - It is recommended that these tests
be conducted with a rated capacity load, if
possible.
Test truck for general correct operation and
drive train function, by driving truck in both forward
and reverse directions first in a straight line and
then, slowly, through a series of full right and left
turns.
Check all around to be sure that your intended
path of travel is clear of obstructions and
pedestrians.
Test for correct function of SCR traction control.
Check CREEP SPEED, 1A RANGE, and
PLUGGING.
1. Check CREEP SPEED and 1A RANGE while
driving truck in a straight line in both FORWARD
and REVERSE directions. CREEP SPEED
should be obtained at beginning of SCR RANGE
after rotating operator control handle a slight
amount.
1A RANGE - When operator control handle is
rotated farther , truck should accelerate in SCR
RANGE and make a smooth transition into 1A
RANGE for maximum travel speed. As 1A
contactor closes, there should be very little surge
as truck goes out of SCR RANGE and into 1A. All
speed changes should be smooth while
increasing and decreasing speed. Listen for any
unusual drive train noises or actions of controls
and drive train components.
Stop truck with brake. Note any unusual reactions
in driving or braking performance, and need for
adjustment.
2. PLUGGING is an SCR control function which
provides for reversing direction of travel under
controlled conditions. A correctly-adjusted
plugging control should result in a smooth
deceleration, or gradual stop of travel from any
speed in one direction, and acceleration in
opposite direction. Plugging speed and distance
is determined by amount operator control handle is
rotated .
Check PLUGGING function first at a slow speed. If
operating correctly, then test at full speed. First,
drive truck in FORWARD direction. Rotate
operator control handle and allow truck to
accelerate to desired travel speed. Then, reverse
rotation of operator control handle to REVERSE
position. The truck should slow to a smooth,
controlled stop and accelerate in opposite
direction. Repeat test by rotating operator control
handle backward to FORWARD position.
Check acceleration control of operator control
handle while conducting speed ‘range tests. It
must move easily and smoothly throughout
acceleration stroke, and return without binding.
There should be no restriction to movement on
either acceleration or deceleration.
Test brake (drive motor cut-off) switch. Drive truck
FORWARD (or in REVERSE) at creep speed.
While holding operator control handle steady in
creep-speed position, remove foot from brake
pedal. The braking action should interrupt power
to drive motor and stop truck. Depress brake pedal
and move control handle to NEUTRAL and then to
FORWARD (or REVERSE). The drive motor
should start again moving truck.
Retest brake operation by applying and releasing
brakes several times while driving truck. 1) Check
for quick pedal return,and for full stopping without
pulling to one side 2) Listen for brake squeal and
other abnormal noise.
Check steering control operation. First, drive truck
in a straight line. Then, drive SLOWLY (creep
speed) through a series of full right and left turns.
The truck must drive in a straight line without
drifting toward either side. Check steering
response and smoothness of operation. Turning
effort must be same in either direction.
NOTICE - It is recommended that following tests
also be conducted with a rated capacity load, if
available.
Test for general drive train operation and noises.
Drive truck at various speed and operating
conditions, in both FORWARD and REVERSE
directions. Test shifting from NEUTRAL to
SM538 PM - 7
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19. Copyrighted Material
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FORWARD, then back to “N”. Next, test shift from
“N” to REVERSE, then back to “N”. Check for
positive control action when changing directions.
Listen for clunking, squealing, grinding, scraping
or other unusual noise. Check for vibration. Listen
for wheel bearing or other specific running noise.
Lift mechanism and controls
NOTE - It is recommended that these tests
be conducted with a rated capacity load
(RATED LOAD is shown on nameplate), if
possible.
Test operation of hydraulic system and upright.
SAFETY NOTE
BE SURE THERE IS ADEQUATE OVERHEAD
CLEARANCE BEFORE RAISING UPRIGHT.
Cycle (raise to full height and then lower) upright at
both slow and fast speed, with forks tilted slightly
backwards. Watch upright assembly as it rises. All
movements of upright, fork carriage, and lift chains
must be even and smooth, without binding or
jerking motion. Watch for chain wobble or
looseness; chains should have equal tension and
move smoothly without noticeable wobble.
Check for correct function of lift control portion of
operator control handle and main hydraulic valve.
Listen for abnormal noise in hydraulic valve, main
hydraulic pump, and system components.
If maximum fork height is not reached, this
indicates there is an inadequate (low) oil level in
hydraulic sump tank, or severe binding within
upright.
WARNING
FALLING FORKS
Do not walk or stand under raised
forks. The forks can fall and cause
injury or death.
Observe upright assembly: rails, roilers, carriage,
lift chains and cylinder as they move. Check for
binding or excessive freeplay (looseness)
between carriage and upright rails and rollers.
Listen for abnormal noises. If there is excessive
clearance between rails and channels,a need for
upright roller adjustment is indicated. If rails or
carriage bind or hesitate when lowering, this
indicates either damaged rollers or incorrect roller
adjustment.
Check upright for excessive downdrift. Stop the
fork carriage in an intermediate position. Check
that it holds its position and raises or lowers
smoothly from any height position. If the fork
carriage does not hold its position when stopped ,
upright may have too much downdrift due to wear
of cylinder seals. Conduct an upright cylinder
downdrift test, with rated load, as needed.
Test tilt control. Check for excessive tilt cylinder
drift. Stop carriage at a position near vertical.
Check that carriage holds its position without
moving forward. If you observe forward movemer,.
(drift), or have a report of a tilt drift problem, check
tilt cylinder for too much drift.
Check correct fork height adjustment (also carriage
chain adjustment). Tilt forks to vertical position and
fully lower carriage. The forks should stop and be
held approximately [13 mm] .50 inch above floor. If
forks hit floor, carriage lift chains should be
adjusted.
Auxiliary function control
If truck is equipped with an attachment, check
control for correct function by briefly operating
attachment.
When you have completed
operational tests, park and leave
truck according to standard
shutdown procedures.
Be sure to make a record of all
maintenance and operating
problems you find.
Battery Compartment Inspection
SM538 PM - 8
20. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
Turn key switch OFF. Disconnect battery from
truck receptacle by pulling on red emergency
battery disconnect lever. Make sure lower arm of
lever is spaced correctly to engage battery cable
end of quick disconnect connector and that lever
moves freely without binding and returns to rest
position.
Inspect condition of battery connector. Check
spring-loaded terminal and retaining tab for poor
connection due to burning, bad crimp, or loose or
broken retainer. Check molded body for damage
from overheating, burning and chips or cracks.
Clean all corrosion from contacts, as necessary.
Inspect spring-loaded connectors in truck battery
receptacle. Look for looseness, burned pans and
other damaged areas due to excessive heat.
Refer to checks noted above. If any of above
conditions are evident, replace connectors.
Inspect condition of battery and cables. Check
battery cables for wear or other damage, and
routing clear of interference (rubbing) with other
components. Be sure that cable terminals are tight
and clean. Clean off minor deposits of corrosion
that you find on battery.
IMPORTANT - Never wash battery when it
is in truck.
Check battery post terminals for corrosion and
damage. Clean all corrosion from cable end and
battery post. Check tightness of cable and post
terminals.
If necessary, check state-of-charge condition of
battery. Take a specific gravity test of electrolyte
with a hydrometer. Be sure to check a minimum of
six battery cells.
Check electrolyte level of battery. Add distilled
water, as required, to fill each cell to correct level.
Check to be sure vent holes in all battery cell caps
are open. If cap vents are plugged with corrosion,
remove them and wash in a solution of baking soda
and water.
Motor SCR Controls Inspection
IMPORTANT
CLEANING AND INSPECTION OF ELECTRICAL
COMPONENTS
Do not clean electrical components with
steam. Only approved solvents should be
used to clean controls and SCR
components. Use Clark #1801146
Degreaser (or equivalent to MS-l 80 Freon
TF Degreaser and Cleaner).
Turn key switch OFF. Disconnect battery from
truck receptacle. Remove lower control panel
cover.
Discharge capacitor. Use an insulated tool, such
as a screwdriver with plastic or wood handle, to
short between terminals.
Inspect SCR controls for clean condition. Check
for oily dirt buildup on contactors, SCR control
card, capacitor, etc. Inspect all controls wiring and
terminals for any obvious damage. Look for cracks
or worn areas in wiring insulation. Check for loose
connections at controls terminals. Air clean, as
necessary.
AIR CLEANING
Always maintain a lift truck in a clean condition. Do
not allow dirt, dust, lint, or other contaminants to
accumulate on truck. Keep truck free from leaking
oil and grease. Wipe up all oil spills. Keep controls
and floorboards clean, dry, and safe. A clean truck
makes it easier to see leakage, loose, missing or
damaged pans, and will help prevent fires. A clean
truck will run cooler.
The environment in which a lift truck operates will
determine how often and to what extent cleaning
is necessary. For example, trucks operating in
manufacturing plants which have a high level of din
or lint (e.g., cotton fibers, paper dust, etc.) in air or
on floor, will require more frequent cleaning. If air
pressure does not remove heavy deposits of
grease, oil, etc., it may be necessary to use steam
or liquid spray cleaner.
LIFT TRUCKS SHOULD BE AIR CLEANED AT
EVERY PM INTERVAL, AND OTHERWISE AS
OFTEN AS REQUIRED.
Air cleaning should be done using an air hose with
special adapter or extension having a control valve
and nozzle to direct air properly. Use clean, dry,
low-pressure compressed air; restrict air pressure
to [207 kPa] 30 psi, maximum. CAUTION- Wear
suitable eye protection and protective clothing.
Air clean Upright assembly; drive unit; battery,
cables, switches and wiring harness; SCR controls
and wiring; drive, lift, and steer motors; and steer
linkage.
CRITICAL FASTENER TORQUE
CHECK
SM538 PM - 9
21. Copyrighted Material
Intended for CLARK dealers only
Do not sell or distribute
Fasteners in highly loaded (critical) components
can quickly fail if they become loosened; also,
loose fasteners can cause damage or failure of
components. For safety, it is important that correct
torque be maintained on all critical fasteners of
components which directly support, handle or
control load, and protect the operator.
Check torque of critical items, including:
Overhead guard; drive unit mounting; drive wheel
mounting; stabilizing caster mounting: load wheel
mounting; load backrest extension; tilt cylinder
mounting and yoke; reach mechanism and
mounting; upright mounting & components.
LUBRICATION, FLUIDS AND
FILTERS
HYDRAULIC SUMP
Check hydraulic sump tank fluid level. Correct fluid
level is important for proper hydraulic system
operation. Low fluid level can cause pump
damage. Overfill can cause loss of fluid or lift
system malfunction.
Hydraulic fluid expands as its temperature rises.
Therefore, it is preferable to check fluid level at
operating temperature (after approximately 30
minutes of truck operation). To check fluid level,
first park truck on a level surface and apply brake.
Retract reach mechanism and lower fork carriage
fully down. Pull dipstick out, wipe it with a clean
wiper and reinsert it fully into dipstick tube.
Remove dipstick and check oil level. Keep oil level
above LOW mark on dipstick by adding
recommended hydraulic fluid only, as required.
DO NOT OVERFILL.
Check condition of hydraulic fluid (age, color or
clarity, contamination, etc.). Change (replace) oil,
as necessary.
Hydraulic Fluid and Filter Change
Drain and replace hydraulic sump fluid every 2000
operating hours, or sooner, as required. Replace
hydraulic oil filter at every oil change. Replace
sump tank breather/fill cap every 1000 operating
hours.
There is no drain plug in hydraulic sump tank. The
hydraulic fluid can be changed by one of following
methods:
A - Removal of hydraulic sump tank cover
assembly and pumping fluid out by suction
using a separate pump and hose.
B - Pumping fluid out by using truck hydraulic
system. This method may be used most
easily and satisfactorily for routine changes
of fluid.
Hydraulic Oil Filter
Remove and replace hydraulic system fluid filter
per recommended PM schedule, or as may be
required by truck operating conditions and usage.
Install a new oil filter. Be sure to follow installation
instructions printed on filter. Check for leaks after
installation of filter. Also, check that hydraulic line
connections at filter adapter are tightened
correctly.
IMPORTANT
Always use genuine CLARK parts.
Sump Tank Breather Maintenance
Remove sump tank fill cap/breather and inspect for
excessive (obvious) contamination and damage.
Clean or replace fill cap/breather, per
recommended PM schedule or as required by
operating conditions.
ACCESS TO THE DRIVE UNIT
To reach drive unit check points (oil level/fiQr
plugs and drain plugs) , it is ncessary to elevate
rear of truck.
Refer to Machine Jacking and Blocking section for
additional information on raising rear of truck safely.
SM538 PM - 10