This shop manual provides specifications, maintenance procedures, and repair instructions for Komatsu wheel loaders. It includes dimensions, weights, lubrication requirements, and safety procedures. The manual is divided into sections covering structure and function, testing and adjusting, and disassembly and assembly. It is intended to help technicians accurately understand and service the equipment.
Komatsu ck30 1 skid steer loader service repair manual (sn a30001 and up)fjkskmmdmme
This 3-page shop manual section provides information on servicing and repairing the Komatsu CK30-1 compact track loader. It includes an overview of the manual's contents and structure, safety precautions for working on the equipment, and guidance for how to read and update the manual. The document outlines the main components that will be covered, testing and adjustment procedures, removal and installation instructions, maintenance standards, and other information needed for repair work. Special symbols are used to mark important safety guidelines and quality points.
Komatsu pc12 r 8 hydraulic excavator service repair manual sn 10001 and upfjjskekdm
This shop manual covers repair and maintenance procedures for Komatsu PC12R-8 and PC15R-8 excavators. It includes sections on general information, structure and function, testing and adjusting, disassembly and assembly, maintenance standards, and other topics. Safety precautions are marked with symbols throughout. The manual should be used along with the latest engine shop manual for these models.
Komatsu sk820 5 n skid steer loader service repair manual (sn a40001 and up)fjkskmmdmme
This shop manual provides instructions for servicing the Komatsu SK820-5N skid steer loader. It contains sections on general information, structure and maintenance standards, testing procedures, troubleshooting guides, disassembly and assembly instructions, and diagrams. The manual is intended to help technicians correctly service the loader by explaining how to perform repairs, make judgments, and follow safety precautions. Customers should contact their distributor for the latest revision as Komatsu continuously improves its products.
Komatsu sk815 5 n skid steer loader service repair manual (sn a30001 and up)fjkskmmdmme
This shop manual provides service information for Komatsu SK815-5N and SK815-5NA skid steer loaders. It contains sections on general information, structure and maintenance, standard values, testing and adjusting, troubleshooting, disassembly and assembly, and diagrams. The manual aims to improve repair quality by accurately explaining the product and correct repair procedures. It is divided into sections and subgroups to help technicians efficiently service the loaders. Komatsu will provide updates to distributors to keep the information current.
Komatsu wa180 3 wheel loader service repair manual sna80001 and upfudjjjskeskmmd
This document provides an overview of safety precautions for servicing equipment:
- It outlines general safety practices like wearing protective gear, blocking equipment before working, and following safety signs.
- Specific safety practices are described for tasks like welding, lifting heavy components, and working with pressurized fluids.
- Instructions are provided for preparing the work area, reading instructions, using tools properly, and cleaning up. Following these practices is important for completing repairs safely and effectively.
Komatsu 6D125 Diesel Engine Service Repair Manualuejjdksemme
This document provides safety guidelines and instructions for servicing a 6D125 series diesel engine. It begins with general safety precautions that should be followed, such as wearing protective equipment and blocking the machine before working on it. Detailed instructions are given for preparations like cooling the engine first before removing parts. Guidelines are provided for safe hoisting practices when removing heavy components. The document also lists various coating materials and their appropriate applications to use during repairs.
Komatsu 12 v170 2 series engine service repair manualfjjskekdm
This document provides safety guidelines and precautions for servicing Komatsu machines. It emphasizes the importance of safety during all repair and maintenance work. Specific safety tips are provided, such as wearing protective equipment, blocking machines securely before working on them, and releasing pressures from systems slowly. Readers are advised to follow all safety symbols and take necessary actions to deal with any dangerous situations that may arise.
Komatsu pw148 8 hydraulic excavator service repair manual (pw148-8 serial h55...fjsjejfksekmme
The shop manual provides maintenance instructions for a Komatsu PW148-8 excavator. It includes sections on [1] general information about the machine, [2] structure, function, and maintenance standards, [3] testing, adjusting, and troubleshooting, and [4] disassembly and assembly. The manual provides technical details to aid technicians in quality repairs.
Komatsu ck30 1 skid steer loader service repair manual (sn a30001 and up)fjkskmmdmme
This 3-page shop manual section provides information on servicing and repairing the Komatsu CK30-1 compact track loader. It includes an overview of the manual's contents and structure, safety precautions for working on the equipment, and guidance for how to read and update the manual. The document outlines the main components that will be covered, testing and adjustment procedures, removal and installation instructions, maintenance standards, and other information needed for repair work. Special symbols are used to mark important safety guidelines and quality points.
Komatsu pc12 r 8 hydraulic excavator service repair manual sn 10001 and upfjjskekdm
This shop manual covers repair and maintenance procedures for Komatsu PC12R-8 and PC15R-8 excavators. It includes sections on general information, structure and function, testing and adjusting, disassembly and assembly, maintenance standards, and other topics. Safety precautions are marked with symbols throughout. The manual should be used along with the latest engine shop manual for these models.
Komatsu sk820 5 n skid steer loader service repair manual (sn a40001 and up)fjkskmmdmme
This shop manual provides instructions for servicing the Komatsu SK820-5N skid steer loader. It contains sections on general information, structure and maintenance standards, testing procedures, troubleshooting guides, disassembly and assembly instructions, and diagrams. The manual is intended to help technicians correctly service the loader by explaining how to perform repairs, make judgments, and follow safety precautions. Customers should contact their distributor for the latest revision as Komatsu continuously improves its products.
Komatsu sk815 5 n skid steer loader service repair manual (sn a30001 and up)fjkskmmdmme
This shop manual provides service information for Komatsu SK815-5N and SK815-5NA skid steer loaders. It contains sections on general information, structure and maintenance, standard values, testing and adjusting, troubleshooting, disassembly and assembly, and diagrams. The manual aims to improve repair quality by accurately explaining the product and correct repair procedures. It is divided into sections and subgroups to help technicians efficiently service the loaders. Komatsu will provide updates to distributors to keep the information current.
Komatsu wa180 3 wheel loader service repair manual sna80001 and upfudjjjskeskmmd
This document provides an overview of safety precautions for servicing equipment:
- It outlines general safety practices like wearing protective gear, blocking equipment before working, and following safety signs.
- Specific safety practices are described for tasks like welding, lifting heavy components, and working with pressurized fluids.
- Instructions are provided for preparing the work area, reading instructions, using tools properly, and cleaning up. Following these practices is important for completing repairs safely and effectively.
Komatsu 6D125 Diesel Engine Service Repair Manualuejjdksemme
This document provides safety guidelines and instructions for servicing a 6D125 series diesel engine. It begins with general safety precautions that should be followed, such as wearing protective equipment and blocking the machine before working on it. Detailed instructions are given for preparations like cooling the engine first before removing parts. Guidelines are provided for safe hoisting practices when removing heavy components. The document also lists various coating materials and their appropriate applications to use during repairs.
Komatsu 12 v170 2 series engine service repair manualfjjskekdm
This document provides safety guidelines and precautions for servicing Komatsu machines. It emphasizes the importance of safety during all repair and maintenance work. Specific safety tips are provided, such as wearing protective equipment, blocking machines securely before working on them, and releasing pressures from systems slowly. Readers are advised to follow all safety symbols and take necessary actions to deal with any dangerous situations that may arise.
Komatsu pw148 8 hydraulic excavator service repair manual (pw148-8 serial h55...fjsjejfksekmme
The shop manual provides maintenance instructions for a Komatsu PW148-8 excavator. It includes sections on [1] general information about the machine, [2] structure, function, and maintenance standards, [3] testing, adjusting, and troubleshooting, and [4] disassembly and assembly. The manual provides technical details to aid technicians in quality repairs.
Komatsu wa470 6 wheel loader service repair manual (sn a46001 and up)fujsjefksekmm
This shop manual provides service technicians with information to repair Komatsu WA470-6 and WA480-6 wheel loaders. It consists of several sections, including structure and function, standard values, testing and adjusting procedures, troubleshooting guides, disassembly and assembly instructions, and diagrams. The manual establishes maintenance standards and safety procedures to properly service the equipment. It is recommended that technicians refer to the most up-to-date information from their distributor when performing repairs.
John deere 1600 wide area mower service repair manualfjkskmmdmme
This technical manual provides instructions for servicing a John Deere wide area mower model 1600, 1620, and 1600 Turbo. The manual contains sections covering specifications, safety procedures, system descriptions, diagnostics, repairs and other maintenance information. Safety is the top priority, with warnings about high pressure fluids, moving parts, hot surfaces, battery acid and other hazards. Technicians are instructed to park the mower safely, use proper tools and protective equipment, and follow lockout procedures before beginning any repair work.
Komatsu pc20 r 8 hydraulic excavator service repair manual snf30001 and upifkskjdksmem
The document provides instructions for removing a starter motor from an excavator. It begins by disconnecting the negative terminal of the battery. Then it lists the following steps: 1) Remove the cabin, 2) Move the operator's cab forward completely, 3) Loosen bolts and remove a cover, 4) Disconnect electrical connections to the starter motor, 5) Loosen mounting bolts and remove the starter motor. Safety precautions are emphasized throughout.
Komatsu pc12 r 8 hydraulic excavator service repair manual snf30001 and upfjsjekkdmnem
The document provides instructions for removing and installing various engine components on an excavator, including the starter motor, alternator, fuel pump group, injection nozzles, and cylinder head. Safety precautions are outlined, and the steps for each removal and installation procedure are provided, along with the appropriate torque specifications.
Komatsu sk714 5 skid steer loader service repair manual (sn 37 af01876 and up)fjkskmmdmme
This document is a shop manual that provides instructions and safety precautions for servicing Komatsu skid-steer loaders models SK714-5, SK815-5, and SK815-5 turbo. The manual contains sections on structure and function, testing and adjusting, disassembly and assembly, and maintenance standards. It emphasizes safety practices such as wearing protective equipment, using lifting devices properly, and relieving pressures before working on hydraulic or cooling systems. The manual is organized by component and provides repair procedures, adjustment instructions, and criteria for inspecting parts.
Komatsu sk1026 5 n skid steer loader service repair manual (sn a80001 and up)fjkskmmdmme
- The document is a shop manual for the SK1026-5N skid steer loader that provides information on maintenance, repair, testing and troubleshooting.
- It details procedures for removing and installing components like the engine assembly, radiator assembly, and battery. Safety precautions are emphasized throughout.
- The manual is divided into sections covering general information, structure and maintenance, specifications, testing, troubleshooting, disassembly/assembly, and diagrams. Symbols are used to mark important safety information.
John deere chainsaws cs52 service repair manualufjkskemfseol
This technical manual provides information for John Deere chainsaws models CS36, CS40, CS46, CS52, CS56, CS62, CS71, and CS81. The first section provides the manual's table of contents and outlines that it contains specifications, identification numbers, tools/materials, schematics, theory of operation, diagnosis/testing, and repair information. The manual is intended for experienced technicians and contains model-specific sections.
The document provides service procedures for removing and servicing a torque converter and transmission assembly. Key steps include draining the torque converter oil, removing the pilot boss, snap ring, and torque converter. Disassembly of the torque converter involves removing the flexible plate, drive cover, turbine runner, thrust bearing, stator, and pump boss. Inspection and measurements of various components are specified. Reassembly follows the reverse order of disassembly. Tightening torques are provided for multiple fasteners.
This document provides an overview of servicing procedures for a Toyota forklift transmission. It includes sections on removal and installation of the torque converter and transmission assembly, disassembly and inspection of the torque converter, and disassembly of the transmission assembly. Procedures are outlined in steps and key points are highlighted. Reference is made to other repair manuals that should be used in conjunction with this manual.
The document provides service procedures for removing and servicing a torque converter and transmission assembly. Key steps include draining the torque converter oil, removing the pilot boss, snap ring, and torque converter. Disassembly of the torque converter involves removing the flexible plate, drive cover, turbine runner, thrust bearing, stator, and pump boss. Inspection and measurements of various components are specified. Reassembly follows the reverse order of disassembly. Tightening torques are provided for multiple fasteners.
This document provides an overview of servicing procedures for a Toyota forklift transmission. It includes sections on removal and installation of the torque converter and transmission assembly, disassembly and inspection of the torque converter, and disassembly of the transmission assembly. Procedures are outlined in steps and key points are called out, such as match marking parts during removal and selection of spacer thickness. Standard torque specifications are provided throughout.
This document provides an overview of servicing procedures for a Toyota forklift transmission. It includes sections on removal and installation of the torque converter and transmission assembly, disassembly and inspection of the torque converter, and disassembly and inspection of the transmission assembly. Key steps and points of attention are highlighted for each procedure. Reference manuals for related engine repair are also listed. The document aims to provide technicians with information to correctly service the transmission systems of the forklift models covered.
The document provides service procedures for removing and servicing a torque converter and transmission assembly. Key steps include draining the torque converter oil, removing the pilot boss, snap ring, and torque converter. Disassembly of the torque converter involves removing the flexible plate, drive cover, turbine runner, thrust bearing, stator, and pump boss. Inspection and measurements of various components are described. Reassembly is the reverse of disassembly. Tightening torques are provided for multiple fasteners.
The document provides service procedures for removing and servicing a torque converter and transmission assembly. Key steps include draining the torque converter oil, removing the pilot boss, snap ring, and torque converter. Disassembly of the torque converter involves removing the flexible plate, drive cover, turbine runner, thrust bearing, stator, and pump boss. Inspection and measurements of various components are described. Reassembly is the reverse of disassembly. Tightening torques are provided for multiple fasteners.
The document is a service manual for Toyota 7FDF/FGF 15-35 vehicles. It provides information on:
- Exterior views and identification of vehicle models
- How to use the manual, including terminology, abbreviations, and inspection/adjustment procedures
- Procedures for removing and installing the engine, including points of attention
- Inspection and adjustment of engine idle speed and no-load maximum speed
The document is a service manual for Toyota 7FDF/FGF 15-35 vehicles. It provides information on:
- Exterior views and identification of vehicle models
- How to use the manual, including terminology, abbreviations, and inspection/adjustment procedures
- Procedures for removing and installing the engine, including points of attention
- Inspection and adjustment of engine idle speed and no-load maximum speed
The document is a service manual for Toyota 7FDF/FGF 15-35 vehicles. It contains sections on general information, the engine, transmission, and other vehicle systems. The general section provides exterior views of the vehicle, specifications on vehicle models, instructions for using the manual, terminology, and other reference information needed for service and repair.
The document is a service manual for Toyota 7FDF/FGF 15-35 vehicles. It contains sections on general information, the engine, transmission, and other vehicle systems. The general section provides exterior views of the vehicle, specifications on vehicle models, instructions for using the manual, terminology, and other reference information needed for service and repair.
Komatsu wa470 6 wheel loader service repair manual (sn a46001 and up)fujsjefksekmm
This shop manual provides service technicians with information to repair Komatsu WA470-6 and WA480-6 wheel loaders. It consists of several sections, including structure and function, standard values, testing and adjusting procedures, troubleshooting guides, disassembly and assembly instructions, and diagrams. The manual establishes maintenance standards and safety procedures to properly service the equipment. It is recommended that technicians refer to the most up-to-date information from their distributor when performing repairs.
John deere 1600 wide area mower service repair manualfjkskmmdmme
This technical manual provides instructions for servicing a John Deere wide area mower model 1600, 1620, and 1600 Turbo. The manual contains sections covering specifications, safety procedures, system descriptions, diagnostics, repairs and other maintenance information. Safety is the top priority, with warnings about high pressure fluids, moving parts, hot surfaces, battery acid and other hazards. Technicians are instructed to park the mower safely, use proper tools and protective equipment, and follow lockout procedures before beginning any repair work.
Komatsu pc20 r 8 hydraulic excavator service repair manual snf30001 and upifkskjdksmem
The document provides instructions for removing a starter motor from an excavator. It begins by disconnecting the negative terminal of the battery. Then it lists the following steps: 1) Remove the cabin, 2) Move the operator's cab forward completely, 3) Loosen bolts and remove a cover, 4) Disconnect electrical connections to the starter motor, 5) Loosen mounting bolts and remove the starter motor. Safety precautions are emphasized throughout.
Komatsu pc12 r 8 hydraulic excavator service repair manual snf30001 and upfjsjekkdmnem
The document provides instructions for removing and installing various engine components on an excavator, including the starter motor, alternator, fuel pump group, injection nozzles, and cylinder head. Safety precautions are outlined, and the steps for each removal and installation procedure are provided, along with the appropriate torque specifications.
Komatsu sk714 5 skid steer loader service repair manual (sn 37 af01876 and up)fjkskmmdmme
This document is a shop manual that provides instructions and safety precautions for servicing Komatsu skid-steer loaders models SK714-5, SK815-5, and SK815-5 turbo. The manual contains sections on structure and function, testing and adjusting, disassembly and assembly, and maintenance standards. It emphasizes safety practices such as wearing protective equipment, using lifting devices properly, and relieving pressures before working on hydraulic or cooling systems. The manual is organized by component and provides repair procedures, adjustment instructions, and criteria for inspecting parts.
Komatsu sk1026 5 n skid steer loader service repair manual (sn a80001 and up)fjkskmmdmme
- The document is a shop manual for the SK1026-5N skid steer loader that provides information on maintenance, repair, testing and troubleshooting.
- It details procedures for removing and installing components like the engine assembly, radiator assembly, and battery. Safety precautions are emphasized throughout.
- The manual is divided into sections covering general information, structure and maintenance, specifications, testing, troubleshooting, disassembly/assembly, and diagrams. Symbols are used to mark important safety information.
John deere chainsaws cs52 service repair manualufjkskemfseol
This technical manual provides information for John Deere chainsaws models CS36, CS40, CS46, CS52, CS56, CS62, CS71, and CS81. The first section provides the manual's table of contents and outlines that it contains specifications, identification numbers, tools/materials, schematics, theory of operation, diagnosis/testing, and repair information. The manual is intended for experienced technicians and contains model-specific sections.
The document provides service procedures for removing and servicing a torque converter and transmission assembly. Key steps include draining the torque converter oil, removing the pilot boss, snap ring, and torque converter. Disassembly of the torque converter involves removing the flexible plate, drive cover, turbine runner, thrust bearing, stator, and pump boss. Inspection and measurements of various components are specified. Reassembly follows the reverse order of disassembly. Tightening torques are provided for multiple fasteners.
This document provides an overview of servicing procedures for a Toyota forklift transmission. It includes sections on removal and installation of the torque converter and transmission assembly, disassembly and inspection of the torque converter, and disassembly of the transmission assembly. Procedures are outlined in steps and key points are highlighted. Reference is made to other repair manuals that should be used in conjunction with this manual.
The document provides service procedures for removing and servicing a torque converter and transmission assembly. Key steps include draining the torque converter oil, removing the pilot boss, snap ring, and torque converter. Disassembly of the torque converter involves removing the flexible plate, drive cover, turbine runner, thrust bearing, stator, and pump boss. Inspection and measurements of various components are specified. Reassembly follows the reverse order of disassembly. Tightening torques are provided for multiple fasteners.
This document provides an overview of servicing procedures for a Toyota forklift transmission. It includes sections on removal and installation of the torque converter and transmission assembly, disassembly and inspection of the torque converter, and disassembly of the transmission assembly. Procedures are outlined in steps and key points are called out, such as match marking parts during removal and selection of spacer thickness. Standard torque specifications are provided throughout.
This document provides an overview of servicing procedures for a Toyota forklift transmission. It includes sections on removal and installation of the torque converter and transmission assembly, disassembly and inspection of the torque converter, and disassembly and inspection of the transmission assembly. Key steps and points of attention are highlighted for each procedure. Reference manuals for related engine repair are also listed. The document aims to provide technicians with information to correctly service the transmission systems of the forklift models covered.
The document provides service procedures for removing and servicing a torque converter and transmission assembly. Key steps include draining the torque converter oil, removing the pilot boss, snap ring, and torque converter. Disassembly of the torque converter involves removing the flexible plate, drive cover, turbine runner, thrust bearing, stator, and pump boss. Inspection and measurements of various components are described. Reassembly is the reverse of disassembly. Tightening torques are provided for multiple fasteners.
The document provides service procedures for removing and servicing a torque converter and transmission assembly. Key steps include draining the torque converter oil, removing the pilot boss, snap ring, and torque converter. Disassembly of the torque converter involves removing the flexible plate, drive cover, turbine runner, thrust bearing, stator, and pump boss. Inspection and measurements of various components are described. Reassembly is the reverse of disassembly. Tightening torques are provided for multiple fasteners.
The document is a service manual for Toyota 7FDF/FGF 15-35 vehicles. It provides information on:
- Exterior views and identification of vehicle models
- How to use the manual, including terminology, abbreviations, and inspection/adjustment procedures
- Procedures for removing and installing the engine, including points of attention
- Inspection and adjustment of engine idle speed and no-load maximum speed
The document is a service manual for Toyota 7FDF/FGF 15-35 vehicles. It provides information on:
- Exterior views and identification of vehicle models
- How to use the manual, including terminology, abbreviations, and inspection/adjustment procedures
- Procedures for removing and installing the engine, including points of attention
- Inspection and adjustment of engine idle speed and no-load maximum speed
The document is a service manual for Toyota 7FDF/FGF 15-35 vehicles. It contains sections on general information, the engine, transmission, and other vehicle systems. The general section provides exterior views of the vehicle, specifications on vehicle models, instructions for using the manual, terminology, and other reference information needed for service and repair.
The document is a service manual for Toyota 7FDF/FGF 15-35 vehicles. It contains sections on general information, the engine, transmission, and other vehicle systems. The general section provides exterior views of the vehicle, specifications on vehicle models, instructions for using the manual, terminology, and other reference information needed for service and repair.
The document is a service manual for Toyota 7FDF/FGF 15-35 vehicles. It provides information on:
- Exterior views and identification of vehicle models
- How to use the manual, including terminology, abbreviations, and inspection/adjustment procedures
- Procedures for removing and installing the engine, including points of attention and torque specifications
- Procedures for inspecting and adjusting engine idle speed and no-load maximum speed
The document is a service manual for Toyota 7FDF/FGF 15-35 vehicles. It contains sections on general information, the engine, transmission, and other vehicle systems. The general section provides exterior views of the vehicle, specifications on vehicle models, instructions for using the manual, terminology, and other reference information needed for service and repair.
This document provides an overview of servicing procedures for a Toyota forklift transmission. It includes sections on removal and installation of the torque converter and transmission assembly, disassembly and inspection of the torque converter, and disassembly of the transmission assembly. Procedures are outlined in steps and key points are called out, such as match marking parts during removal and selection of spacer thickness. Standard torque specifications are provided throughout.
Ever been troubled by the blinking sign and didn’t know what to do?
Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
Fleet management these days is next to impossible without connected vehicle solutions. Why? Well, fleet trackers and accompanying connected vehicle management solutions tend to offer quite a few hard-to-ignore benefits to fleet managers and businesses alike. Let’s check them out!
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Implementing ELDs or Electronic Logging Devices is slowly but surely becoming the norm in fleet management. Why? Well, integrating ELDs and associated connected vehicle solutions like fleet tracking devices lets businesses and their in-house fleet managers reap several benefits. Check out the post below to learn more.
4. Safety notice SAFETY
00-4 WA65-3 to WA95-3
Safety notice
Important Safety Notice
Proper service and repair is extremely important for safe
machine operation. Some of the described service and re-
pair techniques require the use of tools specially designed
by Komatsu for the specific purpose.
To prevent injury to workers, the symbol is used to
mark safety precautions in this manual. The cautions ac-
companying these symbols must always be followed care-
fully. If any dangerous situation arises or may possibly
arise, first consider safety, and take the necessary actions
to deal with the situation.
General Precautions
Mistakes in operation are extremely dangerous. Read the
OPERATION AND MAINTENANCE MANUAL carefully before
operating the machine! Always follow the safety rules valid
in your country carefully!
1. Before carrying out any greasing or repairs, read all the pre-
cautions given on the decals which are fixed to the machine.
2. When carrying out any operation, always wear safety shoes
and helmet. Do not wear loose work clothes, or clothes with
buttons missing.
• Always wear safety glasses when hitting parts with a
hammer.
• Always wear safety glasses when grinding parts with a
grinder, etc.
3. If welding repairs are needed, always have a trained, experi-
enced welder carry out the work. When carrying out welding
work, always wear welding gloves, apron, glasses, cap and
other clothes suited for welding work.
4. When carrying out any operation with two or more workers,
always agree on the operating procedure before starting. Al-
ways inform your fellow workers before starting any step of
the operation. Before starting work, hang UNDER REPAIR
signs on the controls in the operator's compartment.
5. SAFETY Safety notice
WA65-3 to WA95-3 00-5
5. Keep all tools in good condition and learn the correct way to
use them.
6. Decide a place in the repair workshop to keep tools and re-
moved parts. Always keep the tools and parts in their correct
places. Always keep the work area clean and make sure
that there is no dirt or oil on the floor. Never smoke while
working. Smoke only in the areas provided for smoking.
Preparations for work
1. Before adding oil or making any repairs, park the machine
on hard, level ground, and block the wheels or tracks to pre-
vent the machine from moving.
2. Before starting work, lower blade, ripper, bucket or any other
work equipment to the ground and install the safety bar on
the frame. If this is not possible, insert the safety pin or use
blocks to prevent the work equipment from falling. In addi-
tion, be sure to lock all the control levers and hang warning
signs on them.
3. When disassembling or assembling, support the machine
with blocks, jacks or stands before starting work.
4. Remove all mud and oil from the steps or other places used
to get on and off the machine. Always use the handrails, lad-
ders or steps when getting on or off the machine. Never
jump on or off the machine. If it is impossible to use the
handrails, ladders or steps, use a stand to provide safe foot-
ing.
6. Safety notice SAFETY
00-6 WA65-3 to WA95-3
Precautions during work
1. When measuring hydraulic pressure, check that the measur-
ing tool is correctly assembled before taking any measure-
ments.
2. When removing the oil filler cap, drain plug or hydraulic
pressure measuring plugs, loosen them slowly to prevent
the oil from spurting out.
Before disconnecting or removing components of the oil,
water or air circuits, first remove the pressure completely
from the circuit.
3. The water and oil in the circuits are hot when the engine is
stopped, so be careful not to get burned.
Wait for the oil and water to cool before carrying out any
work on the oil or water circuits.
4. Before starting work, remove the leads from the battery. Al-
ways remove the lead from the negative (-) terminal first.
5. When raising heavy components, use a hoist or crane.
Check that the wire rope, chains and hooks are free from
damage.
Always use lifting equipment which has ample capacity.
Install the lifting equipment at the correct places. Use a hoist
or crane and operate slowly to prevent the component from
hitting any other part.
Do not work with any part still raised by the hoist or crane.
6. When removing covers which are under internal pressure or
under pressure from a spring, always leave two bolts in po-
sition on opposite sides. Slowly release the pressure, then
slowly loosen the bolts to remove.
7. When removing components, be careful not to break or
damage the wiring. Damaged wiring may cause electrical
fires.
8. When removing piping, stop the fuel or oil from spilling out. If
any fuel or oil drips onto the floor, wipe it up immediately. Fu-
el or oil on the floor can cause you to slip, or can even start
fires.
9. As a general rule, do not use gasoline to wash parts. In par-
ticular, use only the minimum of gasoline when washing
electrical parts. Do not smoke!
10. Be sure to assemble all parts again in their original places.
Replace any damaged parts with new parts.
When installing hoses and wires, be sure that they will not
be damaged by contact with other parts when the machine
is being oper ated.
7. SAFETY Safety notice
WA65-3 to WA95-3 00-7
11. When installing high pressure hoses, make sure that they
are not twisted.
Damaged tubes are dangerous, so be extremely careful
when installing tubes for high pressure circuits. Also, check
that connecting parts are correctly installed.
12. When aligning two holes, never insert your fingers or hand.
Be careful not to get your fingers caught in a hole.
13. When assembling or installing parts, always use the speci-
fied tightening torques. When installing protective parts such
as guards, or parts which vibrate violently or rotate at high
speed, be particularly careful to check that they are installed
correctly.
8. Foreword SAFETY
00-8 WA65-3 to WA95-3
Foreword
General
This shop manual has been prepared as an aid to improve the
quality of repairs by giving the service personnel an accurate un-
derstanding of the product and by showing them the correct way
to perform repairs and make judgements. Make sure you under-
stand the contents of this manual and use it to full effect at every
opportunity.
This shop manual mainly contains the necessary technical infor-
mation for operations performed in a service workshop. For
ease of understanding, the manual is divided into the following
chapters; these chapters are further divided into the each main
group of components:
Structure and function
This section explains the structure and function of each compo-
nent. It serves not only to give an understanding of the structure,
but also serves as reference material for troubleshooting.
Testing and adjusting
This section explains checks to be made before and after per-
forming repairs, as well as adjustments to be made at comple-
tion of the checks and repairs. Troubleshooting charts
correlating "Problems" to "Causes" are also included in this sec-
tion.
Disassembly and assembly
This section explains the order to be followed when removing,
installing, disassembling or assembling each component, as
well as precautions to be taken for these operations.
Maintenance standard
This section gives the judgement standards when inspecting dis-
assembled parts.
NOTE
The specifications contained in this shop manual are subject to
change at any time and without any advance notice. Use the
specifications given in the book with the latest date.
9. SAFETY How to read the shop manual
WA65-3 to WA95-3 00-9
How to read the shop manual
Volumes
Shop manuals are issued as a guide to carrying out repairs.
Distribution and updating
Any additions, amendments or other changes will be sent to Ko-
matsu distributors.
Get the most up-to-date information before you start any work.
Filing method
1. See the page number on the bottom of the page. File the
pages in correct order.
2. Following examples show how to read the page number.
Example 1 (Chassis volume):
3. Additional pages: Additional pages are indicated by a point
(.) and number after the page number. File as in the exam-
ple.
Example:
10 - 3
Item number (10. Structure and Function)
Consecutive page number for each item
10-4
10-4.1
10-4.2
10-5
Added Pages
10. How to read the shop manual SAFETY
00-10 WA65-3 to WA95-3
Symbols
So that the shop manual can be of ample practical use, impor-
tant safety and quality portions are marked with the following
symbols:
Symbol Item Remarks
Safety Special safety precautions are necessary when performing the work.
Caution
Special technical precautions or other precautions for preserving standards are necessary
when performing the work.
Weight
Weight of parts of systems.
Caution necessary when selecting hoisting wire, or when working posture is important, etc.
Tightening torque Places that require special attention for the tightening torque during assembly.
Coat Places to be coated with adhesives and libricants, etc.
Oil, water Places where oil, water or fuel must be added, and the capacity.
Drain Places where oil or water must be drained, and quantity to be drained.
4
3
2
5
6
11. SAFETY Hoisting instructions
WA65-3 to WA95-3 00-11
Hoisting instructions
Heavy parts (25kg or more) must be lifted with a
hoist, etc. In the DISASSEMBLY AND ASSEMBLY
section, every part weigthing 25 kg or more is in-
dicated clearly with the symbol:
If a part cannot be smoothly removed from the machine by hoist-
ing, the following checks should be made:
1. Check for removal of all bolts fastening the part to the rela-
tive parts.
2. Check for existence of another part causing interference
with the part to be removed.
Wire ropes
1. Use adequate ropes depending on the weight of parts to be
hoisted, refering to the table below:
• The allowable load in tons, is given by vertical tensible
force.
• The allowable load value is estimated to be one-sixth or
one-seventh of the breaking strength of the rope used.
Wire ropes:
(Standard "Z" or "S" twist ropes without galvanizing)
Rope diameter (mm) Allowable load (tons)
10 1.0
11.2 1.4
12.5 1.6
14 2.2
16 2.8
18 3.6
20 4.4
22.4 5.6
30 10.0
40 18.0
50 28.0
60 40.0
4
12. Hoisting instructions SAFETY
00-12 WA65-3 to WA95-3
2. Sling wire ropes from the middle portion of the hook.
Slinging near the edge of the hook may cause the rope to
slip off the hook during hoisting, and a serious accident can
result. Hooks have maximum strength at the middle portion.
3. Do not sling a heavy load with one rope alone, but sling with
two or more ropes symmetrically wound onto the load.
Slinging with one rope may cause turning of the load during
hoisting, untwisting of the rope, or slipping of the rope from
its original winding position on the load, which can result in
a dangerous accident.
4. Do not sling a heavy load with ropes forming a wide hanging
angle from the hook.
When hoisting a load with two or more ropes, the force sub-
jected to each rope will increase with the hanging angles.
The table below shows the variation of allowable load (kg)
when hoisting is made with two ropes, each of which is al-
lowed to sling up to 1000 kg vertically, at various hanging
angles.
When two ropes sling a load vertically, up to 2000 kg of total
weight can be suspended. This weight becomes 1000 kg
when two ropes make a 120° hanging angle. On the other
hand, two ropes are subjected to an excessive force as
large as 4000 kg if they sling a 2000 kg load at a lifting angle
of 150°.
100% 88% 79% 71% 41%
300 600 900 1200 1500
1000
2000
2000
1900
1700
1400
1000
500
kg
Lifting angle (α)
Loadcapacity(kg)
α
Hebewinkel (°)
Gewicht(kg)LoadCapacity(kg)
Lifting Angle (°)
14. GENERAL Dimensions, weights and operating data
WA75-3 FLEET 01-3
Dimensions, weights and operating data
A Bucket pivot point 3,125 mm
R1 Turn radius 3,640 mm
R3 Turn radius 3,700 mm
B Angle 40°
C Wheel base 1,950 mm
D Track width 1,450 mm
E Ground clearance 405 mm
F Height over all 2.600 mm
Dimensions - main datas
G max. stack height 2,925 mm
H max. reach 1,210 mm
J Fork height at max. reach 1,385 mm
max. tipping load straight ISO 8313 2,740 kg
max. tipping load angled 2,375 kg
max. load capacity - EN 474-3, 80% 1,900 kg
max. load capacity EN 474-3, 60% 1,420 kg
(Fork lift and beaks in standard design)
Dimensions - with fork beaks
Bucket type Universall bucket Light material bucket Multi purpose bucket High tip bucket
Buckets (piled loading) m³ 0.8 1.0 1.25 0.65 1.25
Pour weight t/m³ 1.6 1.4 1.0 1.8 0.8
Bucket weight w. o. teeth kg 335 380 410 535 700
Static tipping load, straightn kg 3.650 3.570 3.520 3.150 2.880
Static tipping load, 40° angled kg 3.180 3.070 3.030 2.680 2.430
Max. breakout force kN 39,8 34,3 29,8 32,8 18
Max. lift force kN 33,3 32,9 32,7 33,4 31
Operating weight kg 4.500 4.545 4.575 4.825 4.865
a Reach at 45° mm 790 815 900 830 1.395**
b Dump height at 45° mm 2.490 2.425 2.335 2.380 3.750**
c Height of bucket top edge mm 4.030 4.030 4.150 3.890 5.080
d Digging depth mm 80 110 110 130 110
e Height of bucket transport mm 350 350 350 350 350
f Total length mm 5.120 5.230 5.295 5.350 5.905
g Bucket width mm 1.850 2.100 2.100 2.000 2.100
r2Turning radius over bucket mm 4.025 4.180 4.205 4.080 4.400
* All datas with tire 335/80 R18 SPT9 ** at max. dump angel
Work value - bucket application *
α: 65°
β: 47° (max)
γ: 50°
15. Specifications GENERAL
01-4 WA75-3 FLEET
Specifications
Machine model WA75-3 FLEET
Serial No. HA300051 and up
Engine
Model
Type
No. of cylinders - bore/stroke [mm]
Piston displacement [cm³]
4D94E-1HC
4-cycle Diesel naturally aspirated
4 - 94 / 100
3318
Flywheel horsepower [kw(PS)]
Maximum torque [Nm at rpm]
Starting motor
Alternator
Battery
38.0 (52)
180 / 1600
12V - 2.3 kw
12V - 60 A
12V - 92 Ah
Powertrain
Reduction gear
Differential
Drive type
1-stage
Limited slip differential, locking value 25%
Front-, rear-wheel drive
Axle,wheel
Tire
Turning radius 40°
335/80R18 SPT9
Over tires 3640 mm
Over bucket 4025 mm
Over rear frame 3640 mm
Brakes
Service brake
Parking brake
Wet-type disc brake in the rear axle (acting on all 4 wheels)
Wet-type disc brake in the rear axle (acting on all 4 wheels)
16. GENERAL Specifications
WA75-3 FLEET 01-5
Machine model WA75-3 FLEET
Serial No. HA300051 and up
Steeringsystem
Type
Structure
articulated steering
hydrostatic
Hydraulicsystem
Main pump
Delivery [cm³/1 revolution]
Gear pump
23
Controlvalve
Operating pressure
[bar]
Steering pressure
[bar]
3-spool type
200 - 205
Orbit-roll valve type
175 - 185
Cylinder
Boom cylinder No. - bore × stroke [mm]
Tilt cylinder No. - bore × stroke [mm]
Steering cylinder No. - bore × stroke [mm]
1 - 95 × 670
1 - 80 × 473
1 - 70 × 376
Workequipment
Work equipment lever type Multi function lever
Speed
Travel speed [km/h]
1st travel range
2nd travel range
0 - 5.6
0 - 20.0
Weight
Operating weight [kg] 4500
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18. Weight table GENERAL
01-6 WA75-3 FLEET
Weight table
This weight table is a guide for use when transporting or
handling components.
Components Weight [kg] Components Weight [kg]
Engine 225 Bucket cylinder 29
Radiator 22 Engine hood 33
Drive shaft 10.5 Engine hood carrier 29
Front axle 189 Front frame 250
Rear axle with reduction gear 216 Rear frame 520
Wheel (each) 75 Quick-coupler 103
Tire (each) 50 Bellcrank 49
Orbit-roll valvel 6.5 Boom (including bushing) 283
PPC valve 5.0 Bucket 335
Steering cylinder 19 Counterweight 222
Variable-displacement motor 32 Counterweight, rear frame 100
Variable-displacement pump 39 Counterweight, front axle 2 x 70
Hydraulic pump 4.2 Battery 24.5
Main control valve 11.6 Floor, Cab assembly 450
Boom cylinder 39 Operator's seat 32
19. GENERAL Lubricants and operating mediums
WA75-3 FLEET 01-7
Lubricants and operating mediums
The specified filling volumes represent approximate values;
the testing devices are binding. The selection of a viscosity
class depends on the ambient temperature prevailing over a
longer period of time. The temperature limits are to be re-
garded as guiding values; for a brief period, the actual tem-
perature may be higher or lower than these guiding values.
Components
Lubricants and
service fluids
BI-codes *) Quality classes
Temperature
ranges
Viscosity
classes
Filling volume
in litres approx.
Engine Engine Oil EO
EO 1540 A
EO 1030 A
NRS
CCMC D4 or, if not
available:
API CE or
API CF-4 2
)
-15°C to 45°C
-20°C to 30°C
-15°C to 20°C
SAE 15W-40 1
)
SAE 10W-30
SAE 5W-30
9.4
Transfer Gear
Box
Gear Oil GO GO 90 LS
API-GL5+LS
or
MIL-L-2105D+LS
– SAE 90LS 1.0
Front Axle Gear Oil GO GO 90LS
API-GL5+LS
or
MIL-L-2105D+LS
–
SAE 90LS 1
)
SAE 85W-90LS
SAE 80W-90LS
Final Drive:
2 × 0.9
Differential: 4.3
Rear Axle Gear Oil GO GO 90 LS
API-GL5 +LS or
MIL-L-2105D+LS
–
SAE 90LS 1
)
SAE 85W-90LS
SAE 80W-90LS
Final Drive:
2 × 0.9
Differential: 4.3
Driving Direction,
Hydraulic
System,
Steering
Hydraulic Oil
HYD
HYD 0530
HYD 1030
HYD 1540
HVLP
HVLP D
-15° to 20°C
-20° to 30°C
-15° to 45°C
ISO VG 46 1
)
ISO VG 68
ISO VG 100
70or
Engine Oil EO
EO 1540 A
EO 1030 A
NRS
CCMC D4 or, if not
available:
API CE or
API CF-4 2
)
-15° to 45°C
-20° to 30°C
-15° to 45°C
SAE 15W-40
SAE 10W-30
SAE 05W-30
or Hydraulic Oil
BIO-E-HYD
BIO-E-HYD 0530
HEES (acc. to VDMA
fluid technology)
-15° to 20°C ISO VG 46
Service Brake
Automatic Trans-
mission Gear Oil
ATF
TYP A,
Suffix A
– – 0.6
Cooling
System
Long-Time
Coolant
SP-C
Antifreeze and Corro-
sion Protection
Proportion of Mixture:
50% Coolant: 50% Water
Min. Freeze Proofing: -34°C
10
Fuel Tank Diesel Fuel 3
)
CFPP Class B
CFPP Class D
CFPP Class E
CFPP Class F
DIN-EN 590
up to 0°C
up to -10°C
up to -15°C
up to -20°C
– 77
Grease Nipple
Lithium-Based
Multi-Purpose
Grease
MPG-A KP 2N-20 – NLGI 2 –
1
) Factory filling
2
) If engine oil of either the API CE or the API CF - 4 specification is not available, engine oil of either the API CC or the API CD
specification may be used. In these cases, the oil change intervals must be cut in halves.
3
) If fuels with a sulphur content between 0.5 and 1.0% are used, the oil change intervals for the engine must be cut in halves;
if the sulphur content exceeds 1.0%, the oil change intervals must be quartered.
*) BI-codes are the "standard lubricants" (Regelschmierstoffe) for construction machinery and vehicles of the Hauptverband der
Deutschen Bauindustrie e.V. (BI) (head association of the German construction industry). The brochure "Regelschmierstoffe für
Baumaschinen- und Fahrzeuge" ("standard lubricants for construction machinery and vehicles") can be obtained from bookstores or the
German Bauverlag GmbH Wiesbaden and Berlin under the ISBN-No. 3-7625-3102-1.
20. Basic procedures of maintenance GENERAL
01-8 WA75-3 FLEET
Basic procedures of maintenance
Oil
Fuel
• The oil in the engine and in the hydraulic system is subject to extreme conditions (high temperatures, high
pressures). Therefore, the oil quality will decrease with extended operation.
Always use oils prescribed for the works and temperatures indicated in the operating and maintenance man-
ual. Always observe the prescribed oil change intervals.
• Always handle oils with extreme care so that they are not contaminated.When storing or refilling oil, make
sure that it is not contaminated. The majority of all malfunctions is caused by the penetration of dirt and other
contaminations.
• Never mix oil of different brands or types.
• Always refill the prescribed oil quantity. Too little or excessive oil may cause malfunctions.
• If the oil in the hydraulic system is not clear (milky), water or air is propably introduced into the circuit. In such
cases, call your Komatsu dealer.
• Upon each oil change, the related filter must be replaced as well.
• We recommend to have an oil analysis carried out in regular intervals in order to check the machine condi-
tion. Customers who desire such an oil analysis should contact their Komatsu dealer.
• The fuel pump is a precision instrument; if fuel containing water or dirt is used, it cannot work properly.
• Be extremely careful not to let impurities penetrate when storing or adding fuel.
• Always use the fuel specified in the Operation and Maintenance Manual. Fuel may congeal depending on the
temperature (particularly at low temperatures below -15°C), so change to a fue matching this temperature.
• To prevent the moisture in the air from condensing and forming water inside the fuel tank, always fill the fuel
tank after completing the day's work.
• Before starting the engine, or when 10 minutes have passed after adding fuel, drain the sediment and water
from the fuel tank.
• If the engine runs out of fuel, or if the filters have been replaced, it is necessary to bleed the air from the cir-
cuit.
• If the fuel sulphur content is between 0.5 and 1.0%, the oil change interval must be 1/2 normal. If the fuel sul-
phur content is more 1.0%, the oil change interval must be 1/4 normal.
21. GENERAL Basic procedures of maintenance
WA75-3 FLEET 01-9
Coolant
Grease
Storing oil and fuel
• River water contains large amounts of calcium and other impurities, so if it is used, scale will stick to the en-
gine and radiator causing a defective heat exchange and overheating.
• Do not use water that is not suitable for drinking.
• When using anti-freeze, always observe the precautions given in the Operation and Maintenance Manual.
• Komatsu machines are supplied with Komatsu original anti-freeze in the coolant when the machine is
shipped. This anti-freeze prevents corrosion in the cooling system. The anti-freeze can be used continuously
for two years or 4000 hours. Therefore, it can be used as it is even in hot areas.
• Anti- freeze is flammable, so be extremely careful not to expose it to open flame or fire.
• The proportion of anti-freeze to water differs according to the ambient temperature. For details of the mixing
ratios, see Operation Manual: CLEANING THE INSIDE OF THE COOLING SYSTEM".
• If the engine overheats, wait for the engine to cool before adding coolant.
• If the coolant level is low, it will cause overheating and corrosion due to the air in the coolant.
• Grease is used to prevent twisting and noise at the joints.
• The nipples not included in the maintenance section are nipples for overhaul, so they need not be lubricated.
If any part becomes stiff after being used for a long time, add grease.
• Always wipe off all of the old grease that is pushed out when greasing. Be particularly careful to wipe off the
old grease in places where sand or dirt in the grease would cause the rotating parts to wear.
• Keep oil and fuel indoors to prevent any water, dirt or other impurities from penetrating.
• When keeping barrels for a long period, lay down the barrel on its side so that the filler port is at the side (to
prevent moisture from being sucked in).
If barrels have to be stored outside, cover them with a waterproof sheet or take other measures to protect
them.
• To prevent any change in quality during long term storage, be sure to use in the order of 'first in - first out'
(use the oldest oil or fuel first).