The document provides instructions for removing and installing final drive sprockets, travel brake valves, and travel motors on a 322-A excavator model. Key steps include separating the track assemblies, using tools to support heavy components like the sprocket while removing fasteners, cleaning mating surfaces, replacing seals, and torquing fasteners to the specified values. The process also requires draining oil from the final drive before removing certain components.
This document provides instructions for servicing components of a 322 and 322L excavator, including removing and installing final drive sprockets, travel brake valves, and travel motors. The procedures describe disconnecting hydraulic lines, draining oil, removing mounting bolts, and cleaning and inspecting parts before reinstallation. Safety notices are included to warn of hot oil hazards and ensure contained fluid removal.
Caterpillar cat 322 l track excavator (prefix 7wl) service repair manual (7wl...ujdfjskkmmed
This document provides instructions for servicing the final drive sprockets and travel brake valves on a 322-A excavator. It describes how to remove and install the final drive sprockets using lifting tools, cleaning surfaces, applying thread lock and tightening bolts. It also describes releasing hydraulic pressure, removing the travel brake valve cover, disconnecting pipes, removing the valve, cleaning parts, checking seals, reinstalling the valve, reconnecting pipes and refilling the oil tank. Detailed steps are provided for disassembling and assembling the travel brake valve.
Caterpillar cat 322 l track excavator (prefix 7wl) service repair manual (7wl...ujjdfjkskdme
This document provides instructions for servicing the final drive sprockets and travel brake valves on a 322-A excavator. It describes how to remove and install the final drive sprockets using lifting tools, cleaning surfaces, applying thread lock and tightening bolts. It also describes releasing hydraulic pressure, removing the travel brake valve cover, disconnecting pipes, removing the valve, cleaning parts, checking seals, and reinstalling the valve. Detailed steps are provided for disassembling and assembling the travel brake valve.
Caterpillar cat 322 l track excavator (prefix 7wl) service repair manual (7wl...fusjjfskekmem
This document provides instructions for servicing components of a 322 excavator, including removing and installing final drive sprockets, travel brake valves, and disassembling and assembling the travel brake valve. The procedures describe removing bolts and components, cleaning parts, checking seals, applying thread lock and assembly compound, and torquing fasteners to the specified values. Tools are used to retain caps and springs during disassembly to prevent parts from flying apart due to spring pressure.
Caterpillar cat 322 l track excavator (prefix 7wl) service repair manual (7wl...fusjejfkskemme
This document provides instructions for servicing components on a 322 and 322L excavator, including removing and installing final drive sprockets, travel brake valves, and travel motors. The procedures describe disconnecting hydraulic lines, draining oil, removing mounting bolts, and cleaning and inspecting parts before reinstallation. Safety notices are included to warn technicians about releasing pressure from hydraulic systems and containing fluids.
The document provides instructions for disassembling and assembling the travel motor of a 320D2L excavator. The disassembly process involves removing 27 components from the travel motor body and head. The assembly process reverses the disassembly steps and instructs technicians to reinstall components in their original positions and apply sealant or lubricant as needed. Precautions are provided to prevent damage to components like the cam plate.
The document provides instructions for disassembling and assembling the travel motor of a 320D2L excavator. The disassembly procedure involves 27 steps to remove components from the travel motor body and head. The assembly procedure involves installing the components in the reverse order and includes lubricating surfaces and using retaining rings and seals. Precise alignment and positioning of components is important for correct reassembly.
The document provides instructions for disassembling and assembling the travel motor of a 320D2L excavator. The disassembly process includes 27 steps that remove components like the head, brake piston, barrel assembly, and shaft. The assembly process reverses the disassembly with 23 steps and requires ensuring components are clean and installing items like the inner race, lip seal, and retaining rings in their proper positions. Precise reinstallation of parts is emphasized to reassemble the travel motor correctly.
This document provides instructions for servicing components of a 322 and 322L excavator, including removing and installing final drive sprockets, travel brake valves, and travel motors. The procedures describe disconnecting hydraulic lines, draining oil, removing mounting bolts, and cleaning and inspecting parts before reinstallation. Safety notices are included to warn of hot oil hazards and ensure contained fluid removal.
Caterpillar cat 322 l track excavator (prefix 7wl) service repair manual (7wl...ujdfjskkmmed
This document provides instructions for servicing the final drive sprockets and travel brake valves on a 322-A excavator. It describes how to remove and install the final drive sprockets using lifting tools, cleaning surfaces, applying thread lock and tightening bolts. It also describes releasing hydraulic pressure, removing the travel brake valve cover, disconnecting pipes, removing the valve, cleaning parts, checking seals, reinstalling the valve, reconnecting pipes and refilling the oil tank. Detailed steps are provided for disassembling and assembling the travel brake valve.
Caterpillar cat 322 l track excavator (prefix 7wl) service repair manual (7wl...ujjdfjkskdme
This document provides instructions for servicing the final drive sprockets and travel brake valves on a 322-A excavator. It describes how to remove and install the final drive sprockets using lifting tools, cleaning surfaces, applying thread lock and tightening bolts. It also describes releasing hydraulic pressure, removing the travel brake valve cover, disconnecting pipes, removing the valve, cleaning parts, checking seals, and reinstalling the valve. Detailed steps are provided for disassembling and assembling the travel brake valve.
Caterpillar cat 322 l track excavator (prefix 7wl) service repair manual (7wl...fusjjfskekmem
This document provides instructions for servicing components of a 322 excavator, including removing and installing final drive sprockets, travel brake valves, and disassembling and assembling the travel brake valve. The procedures describe removing bolts and components, cleaning parts, checking seals, applying thread lock and assembly compound, and torquing fasteners to the specified values. Tools are used to retain caps and springs during disassembly to prevent parts from flying apart due to spring pressure.
Caterpillar cat 322 l track excavator (prefix 7wl) service repair manual (7wl...fusjejfkskemme
This document provides instructions for servicing components on a 322 and 322L excavator, including removing and installing final drive sprockets, travel brake valves, and travel motors. The procedures describe disconnecting hydraulic lines, draining oil, removing mounting bolts, and cleaning and inspecting parts before reinstallation. Safety notices are included to warn technicians about releasing pressure from hydraulic systems and containing fluids.
The document provides instructions for disassembling and assembling the travel motor of a 320D2L excavator. The disassembly process involves removing 27 components from the travel motor body and head. The assembly process reverses the disassembly steps and instructs technicians to reinstall components in their original positions and apply sealant or lubricant as needed. Precautions are provided to prevent damage to components like the cam plate.
The document provides instructions for disassembling and assembling the travel motor of a 320D2L excavator. The disassembly procedure involves 27 steps to remove components from the travel motor body and head. The assembly procedure involves installing the components in the reverse order and includes lubricating surfaces and using retaining rings and seals. Precise alignment and positioning of components is important for correct reassembly.
The document provides instructions for disassembling and assembling the travel motor of a 320D2L excavator. The disassembly process includes 27 steps that remove components like the head, brake piston, barrel assembly, and shaft. The assembly process reverses the disassembly with 23 steps and requires ensuring components are clean and installing items like the inner race, lip seal, and retaining rings in their proper positions. Precise reinstallation of parts is emphasized to reassemble the travel motor correctly.
This document provides assembly instructions for a transmission in a 434E backhoe loader. It lists required tools and gives step-by-step instructions for assembling various transmission components, including the reverse shaft, input shaft, countershaft, and output shaft. Safety notes are included to warn of potential injury from improper assembly of spring-loaded parts.
The document provides instructions for removing and installing various components of a Caterpillar 992K wheel loader, including:
1) Removing and disassembling the rear power take-off, which involves using various tools to remove nuts, bearings, and other parts.
2) Instructions for reassembling the rear power take-off by installing bearings and other components in the reverse order of disassembly.
3) Procedures for removing and installing the vibration damper and pulley, which includes using guide studs and lifting equipment to handle the heavy components.
The document contains detailed step-by-step instructions along with illustrations to correctly perform maintenance on specific parts of the 992K
The document provides instructions for disassembling a transmission (power shift) from a 416E Backhoe Loader. It lists required tools and outlines 25 steps to remove the transmission, including draining fluids, disconnecting electrical and hydraulic connections, removing mounting hardware, and lifting the transmission off with a hydraulic jack. The transmission weighs approximately 255 kg (562 lb) and special care must be taken when handling it and containing any fluids.
This document provides instructions for removing and disassembling the transmission of a 416D Backhoe Loader. It outlines 14 steps to remove the transmission, which includes draining fluids, removing mounting bolts, and lowering the transmission. It then details disassembling the transmission into its major components, such as removing the front and rear output shafts, planetary gears, clutch packs, seals, and bearings. Proper tools and safety precautions are listed.
This document provides instructions for removing and installing the sliding frame and bearings on a 434E backhoe loader. The key steps include:
1. Removing the swing frame, swing cylinders, and hydraulic lines.
2. Using lifting devices to remove the lift cylinders, link assembly, sliding frame, and various mounting bars and blocks.
3. Using pullers and drivers to remove the thrust bearings and sliding bearings from the sliding frame.
4. Reversing the removal procedures to install the new bearings and reassemble the sliding frame and associated components. Special tools and low bearing temperatures are required for installation.
The document provides instructions for removing and installing the fuel transfer pump on a Caterpillar 322N excavator powered by a 3116 engine. It details removing the pump cover, spring, piston and seals. It also describes inspecting parts and lubricating them with oil during installation. Installation involves reversing the removal steps and ensuring proper alignment of components.
The document provides instructions for removing and installing final drive sprockets, travel brake valves, and travel motors on a 322-A excavator model. Key steps include separating the track assemblies, using tools to support heavy components like the sprocket while removing fasteners, cleaning mating surfaces, replacing seals, and torquing fasteners to the specified values. The process also requires draining oil from the final drive and hydraulic system before removing components.
This document provides instructions for disassembling the control valve (auxiliary) on a 322C excavator. It describes removing and disassembling various components of the control valve such as solenoid valves, line relief valves, fittings, seals, and spools. Cleanliness is emphasized to prevent contamination of hydraulic systems during disassembly and reassembly. Detailed illustrations and part numbers are provided for each step. Personal protective equipment is recommended when removing or releasing parts under spring pressure.
Caterpillar Cat 322 L EXCAVATOR (Prefix 4RM) Service Repair Manual Instant Do...udjkskdmmd
This document provides instructions for removing and installing a governor from a 322 L, 322 LN, and 322 N excavator powered by a 3116 engine. The removal procedure involves using special tools to disconnect linkages and tubes connecting the governor to the engine. Individual parts like O-rings and seals must be removed and replaced. The installation procedure specifies lubricating new seals and using tools to reconnect everything in the reverse order of removal. Special attention is given to properly adjusting the fuel setting after installing the new governor.
Caterpillar Cat 322C L Hydraulic Excavator (Prefix EMR) Service Repair Manual...udjkskdmmd
The document provides instructions for removing and installing various engine components on a Caterpillar 3126B engine, including:
- Removing and installing the crankshaft vibration damper and pulley.
- Removing the crankshaft front seal.
- Installing the crankshaft front seal.
- Removing and installing the front cover.
- Removing and installing the front housing.
The summaries provide the high level steps for removing and installing the listed components from the 3126B engine in 3 sentences or less per the request.
The document provides instructions for removing and installing various components on a M317D2 Wheeled Excavator, including:
- Removing the swing gear and bearing by lifting it out after removing bolts and spacers.
- Installing the swing gear and bearing by positioning it with lifting tools, then installing bolts and spacers.
- Removing the hydraulic oil filter by taking off the cover, O-ring, and retainer, then removing the filter.
- Installing the hydraulic oil filter by reversing the removal steps.
- Removing the hydraulic tank by draining it, disconnecting hoses and fittings, and lifting it off after removing bolts.
- Installing the hydraulic tank by
This document provides instructions for removing and installing various engine components on a Caterpillar 993K wheel loader, including:
- Inlet and exhaust valves, guides, and seat inserts
- Engine oil filter base
- Engine oil cooler
The procedures describe using various tools to remove parts like the cylinder head, valves, guides, filters, hoses, and the oil cooler assembly. Installation is generally the reverse of removal, with instructions to clean parts, apply sealant or lubricant, and torque fasteners to the specified values. Safety notices warn of spring hazards and keeping parts clean to prevent wear.
This document provides instructions for removing and installing various components of the rear power take-off (RPTO) and vibration damper on a 993K wheel loader. It describes in detail how to disassemble the RPTO by removing nuts, bearings, and gears. It then explains the reverse process to assemble the RPTO. Separate sections provide procedures for installing the RPTO and removing/installing the vibration damper and pulley, including the use of various tools. Detailed illustrations accompany each step.
This document provides instructions for disassembling and assembling the parking brake on a Caterpillar 993K Wheel Loader. It describes removing 16 different components of the parking brake including pistons, springs, discs, plates, and housings. Detailed illustrations and torque specifications are provided for each step of disassembly and assembly. Tools required include a slide hammer, puller, driver group, link brackets, lever puller hoist, and sealant. Personnel safety warnings and proper procedures are noted throughout.
The document provides instructions for disassembling and assembling the torque converter of a 966F wheel loader. It describes 31 steps to disassemble the various components of the torque converter including removing housing bolts, gears, bearings, seals, and other parts. It then describes 26 steps for reassembling the torque converter components in reverse order, noting specific alignment and torque specifications. The overall document provides detailed technical instructions for maintenance personnel to fully disassemble and reassemble the machine's torque converter.
The document provides instructions for disassembling and assembling the service brake on a Caterpillar 993K wheel loader. The disassembly procedure involves removing reaction plates, discs, springs, pistons, seals and other brake components. The assembly procedure describes installing these components in reverse order and applying grease and torques as specified. Safety precautions are provided to prevent injury from spring forces.
The document provides instructions for servicing components of a Caterpillar 3306 engine, including:
- Installing and removing fuel injection nozzles
- Disassembling and assembling the fuel ratio control
- Removing and installing the fuel shutoff solenoid
The instructions include diagrams illustrating the components and numbered steps for disassembly, cleaning, inspection, and reassembly of the parts. Precautions are provided to keep parts clean and contain fluids.
This document provides instructions for disassembling and assembling the rear axle carrier, hubs, and brakes of an M318F wheeled excavator. It lists the required tools and parts and provides step-by-step instructions and illustrations for removing components like the carrier housing, planetary gears, and brake discs, and installing components like the thrust washer, carrier gear, and retaining rings. The instructions aim to properly remove and replace these components while containing fluids and following safety procedures.
This document provides instructions for disassembling and assembling the swing drive of a M325C MH wheeled excavator. It lists 31 steps for disassembly, removing components like the cover, carrier assembly, gears, shafts, and seals. It then lists 35 steps for assembly, installing these components in reverse order along with tools needed and special instructions. Precautions are given to contain fluids, clean parts thoroughly, and use lifting devices due to component weights up to 310 kg.
This document provides instructions for disassembling the front final drive, carrier, hubs, and brakes of an M320 Excavator. It outlines 28 steps to remove components like the planetary carrier, sun gear, ring gear, brake piston, hub, bearings and seals. Various tools are required including retaining ring pliers, pullers, wrenches and adapters. Safety notices are included about containing fluids, releasing hydraulic pressure and avoiding damage during disassembly.
This document provides assembly instructions for a transmission in a 434E backhoe loader. It lists required tools and gives step-by-step instructions for assembling various transmission components, including the reverse shaft, input shaft, countershaft, and output shaft. Safety notes are included to warn of potential injury from improper assembly of spring-loaded parts.
The document provides instructions for removing and installing various components of a Caterpillar 992K wheel loader, including:
1) Removing and disassembling the rear power take-off, which involves using various tools to remove nuts, bearings, and other parts.
2) Instructions for reassembling the rear power take-off by installing bearings and other components in the reverse order of disassembly.
3) Procedures for removing and installing the vibration damper and pulley, which includes using guide studs and lifting equipment to handle the heavy components.
The document contains detailed step-by-step instructions along with illustrations to correctly perform maintenance on specific parts of the 992K
The document provides instructions for disassembling a transmission (power shift) from a 416E Backhoe Loader. It lists required tools and outlines 25 steps to remove the transmission, including draining fluids, disconnecting electrical and hydraulic connections, removing mounting hardware, and lifting the transmission off with a hydraulic jack. The transmission weighs approximately 255 kg (562 lb) and special care must be taken when handling it and containing any fluids.
This document provides instructions for removing and disassembling the transmission of a 416D Backhoe Loader. It outlines 14 steps to remove the transmission, which includes draining fluids, removing mounting bolts, and lowering the transmission. It then details disassembling the transmission into its major components, such as removing the front and rear output shafts, planetary gears, clutch packs, seals, and bearings. Proper tools and safety precautions are listed.
This document provides instructions for removing and installing the sliding frame and bearings on a 434E backhoe loader. The key steps include:
1. Removing the swing frame, swing cylinders, and hydraulic lines.
2. Using lifting devices to remove the lift cylinders, link assembly, sliding frame, and various mounting bars and blocks.
3. Using pullers and drivers to remove the thrust bearings and sliding bearings from the sliding frame.
4. Reversing the removal procedures to install the new bearings and reassemble the sliding frame and associated components. Special tools and low bearing temperatures are required for installation.
The document provides instructions for removing and installing the fuel transfer pump on a Caterpillar 322N excavator powered by a 3116 engine. It details removing the pump cover, spring, piston and seals. It also describes inspecting parts and lubricating them with oil during installation. Installation involves reversing the removal steps and ensuring proper alignment of components.
The document provides instructions for removing and installing final drive sprockets, travel brake valves, and travel motors on a 322-A excavator model. Key steps include separating the track assemblies, using tools to support heavy components like the sprocket while removing fasteners, cleaning mating surfaces, replacing seals, and torquing fasteners to the specified values. The process also requires draining oil from the final drive and hydraulic system before removing components.
This document provides instructions for disassembling the control valve (auxiliary) on a 322C excavator. It describes removing and disassembling various components of the control valve such as solenoid valves, line relief valves, fittings, seals, and spools. Cleanliness is emphasized to prevent contamination of hydraulic systems during disassembly and reassembly. Detailed illustrations and part numbers are provided for each step. Personal protective equipment is recommended when removing or releasing parts under spring pressure.
Caterpillar Cat 322 L EXCAVATOR (Prefix 4RM) Service Repair Manual Instant Do...udjkskdmmd
This document provides instructions for removing and installing a governor from a 322 L, 322 LN, and 322 N excavator powered by a 3116 engine. The removal procedure involves using special tools to disconnect linkages and tubes connecting the governor to the engine. Individual parts like O-rings and seals must be removed and replaced. The installation procedure specifies lubricating new seals and using tools to reconnect everything in the reverse order of removal. Special attention is given to properly adjusting the fuel setting after installing the new governor.
Caterpillar Cat 322C L Hydraulic Excavator (Prefix EMR) Service Repair Manual...udjkskdmmd
The document provides instructions for removing and installing various engine components on a Caterpillar 3126B engine, including:
- Removing and installing the crankshaft vibration damper and pulley.
- Removing the crankshaft front seal.
- Installing the crankshaft front seal.
- Removing and installing the front cover.
- Removing and installing the front housing.
The summaries provide the high level steps for removing and installing the listed components from the 3126B engine in 3 sentences or less per the request.
The document provides instructions for removing and installing various components on a M317D2 Wheeled Excavator, including:
- Removing the swing gear and bearing by lifting it out after removing bolts and spacers.
- Installing the swing gear and bearing by positioning it with lifting tools, then installing bolts and spacers.
- Removing the hydraulic oil filter by taking off the cover, O-ring, and retainer, then removing the filter.
- Installing the hydraulic oil filter by reversing the removal steps.
- Removing the hydraulic tank by draining it, disconnecting hoses and fittings, and lifting it off after removing bolts.
- Installing the hydraulic tank by
This document provides instructions for removing and installing various engine components on a Caterpillar 993K wheel loader, including:
- Inlet and exhaust valves, guides, and seat inserts
- Engine oil filter base
- Engine oil cooler
The procedures describe using various tools to remove parts like the cylinder head, valves, guides, filters, hoses, and the oil cooler assembly. Installation is generally the reverse of removal, with instructions to clean parts, apply sealant or lubricant, and torque fasteners to the specified values. Safety notices warn of spring hazards and keeping parts clean to prevent wear.
This document provides instructions for removing and installing various components of the rear power take-off (RPTO) and vibration damper on a 993K wheel loader. It describes in detail how to disassemble the RPTO by removing nuts, bearings, and gears. It then explains the reverse process to assemble the RPTO. Separate sections provide procedures for installing the RPTO and removing/installing the vibration damper and pulley, including the use of various tools. Detailed illustrations accompany each step.
This document provides instructions for disassembling and assembling the parking brake on a Caterpillar 993K Wheel Loader. It describes removing 16 different components of the parking brake including pistons, springs, discs, plates, and housings. Detailed illustrations and torque specifications are provided for each step of disassembly and assembly. Tools required include a slide hammer, puller, driver group, link brackets, lever puller hoist, and sealant. Personnel safety warnings and proper procedures are noted throughout.
The document provides instructions for disassembling and assembling the torque converter of a 966F wheel loader. It describes 31 steps to disassemble the various components of the torque converter including removing housing bolts, gears, bearings, seals, and other parts. It then describes 26 steps for reassembling the torque converter components in reverse order, noting specific alignment and torque specifications. The overall document provides detailed technical instructions for maintenance personnel to fully disassemble and reassemble the machine's torque converter.
The document provides instructions for disassembling and assembling the service brake on a Caterpillar 993K wheel loader. The disassembly procedure involves removing reaction plates, discs, springs, pistons, seals and other brake components. The assembly procedure describes installing these components in reverse order and applying grease and torques as specified. Safety precautions are provided to prevent injury from spring forces.
The document provides instructions for servicing components of a Caterpillar 3306 engine, including:
- Installing and removing fuel injection nozzles
- Disassembling and assembling the fuel ratio control
- Removing and installing the fuel shutoff solenoid
The instructions include diagrams illustrating the components and numbered steps for disassembly, cleaning, inspection, and reassembly of the parts. Precautions are provided to keep parts clean and contain fluids.
This document provides instructions for disassembling and assembling the rear axle carrier, hubs, and brakes of an M318F wheeled excavator. It lists the required tools and parts and provides step-by-step instructions and illustrations for removing components like the carrier housing, planetary gears, and brake discs, and installing components like the thrust washer, carrier gear, and retaining rings. The instructions aim to properly remove and replace these components while containing fluids and following safety procedures.
This document provides instructions for disassembling and assembling the swing drive of a M325C MH wheeled excavator. It lists 31 steps for disassembly, removing components like the cover, carrier assembly, gears, shafts, and seals. It then lists 35 steps for assembly, installing these components in reverse order along with tools needed and special instructions. Precautions are given to contain fluids, clean parts thoroughly, and use lifting devices due to component weights up to 310 kg.
This document provides instructions for disassembling the front final drive, carrier, hubs, and brakes of an M320 Excavator. It outlines 28 steps to remove components like the planetary carrier, sun gear, ring gear, brake piston, hub, bearings and seals. Various tools are required including retaining ring pliers, pullers, wrenches and adapters. Safety notices are included about containing fluids, releasing hydraulic pressure and avoiding damage during disassembly.
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2. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 322-A EXCAVATOR 7WL
Configuration: 322 322L TRACK-TYPE EXCAVATORS 7WL00001-UP (MACHINE) POWERED BY 3116 ENGINE
Disassembly and Assembly
322, 322 L, 322 N & 322 LN EXCAVATORS MACHINE SYSTEMS
Media Number -SENR6159-01 Publication Date -01/06/1998 Date Updated -01/10/2009
SENR61590022
Final Drive Sprockets
SMCS - 4164-010
Remove & Install Final Drive Sprockets
Start By:
a. separate track assemblies
NOTE: Adjust the height of Tooling (A), so when it is installed under the frame of the machine,
there is enough clearance between the sprocket and the track links for removal of the sprocket
from the final drive.
1. Lift the side of the machine, and install Tooling (A) under the frame as shown.
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3. 2. Remove sixteen bolts (1) that hold the sprocket to the final drive.
Typical Example
3. Fasten Tool (B) and a hoist to sprocket (2) as shown. Remove the sprocket. The weight of the
sprocket is 41 kg (90 lb).
NOTE: The following steps are for the installation of the final drive sprocket.
4. Thoroughly clean the mating surfaces of the sprocket and final drive prior to installation of the
sprocket.
5. Fasten Tool (B) and a hoist to sprocket (2), and put it in position on the final drive.
6. Put a thin coat of 9S-3263 Thread Lock on the threads of sixteen bolts (1) that hold the sprocket
to the final drive. Install the bolts that hold the sprocket to the final drive. Tighten the bolts to a
torque of 530 ± 70 N·m (395 ± 50 lb ft).
7. Raise the machine, and remove Tooling (A) from under the frame.
End By:
a. connect track assemblies
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
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4. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 322-A EXCAVATOR 7WL
Configuration: 322 322L TRACK-TYPE EXCAVATORS 7WL00001-UP (MACHINE) POWERED BY 3116 ENGINE
Disassembly and Assembly
322, 322 L, 322 N & 322 LN EXCAVATORS MACHINE SYSTEMS
Media Number -SENR6159-01 Publication Date -01/06/1998 Date Updated -01/10/2009
SENR61590023
Travel Brake Valves
SMCS - 4112-010; 4112-017
Remove & Install Travel Brake Valves
At operating temperature, the hydraulic oil is hot and under pressure.
Hot oil can cause burns. To prevent possible personal injury, release the
pressure in the implement hydraulic circuits (boom, stick and bucket)
before any hydraulic lines or components are disconnected or removed.
1. Release the pressure in the hydraulic system as follows:
a. Fully retract the rod in the stick cylinder.
b. Adjust the position of the bucket so it will be flat on the ground when the boom is lowered.
c. Lower the boom until the bucket is flat on the ground.
d. Shut off the engine, and put the hydraulic activation control lever in the "Lock" position.
e. Move the control levers for the boom, bucket, stick and swing through their full travel strokes.
This will relieve any pressure that may be present in the pilot system.
f. Slowly loosen the Fill/Vent plug on the hydraulic oil tank to release the pressure.
g. Tighten the Fill/Vent plug on the hydraulic oil tank.
h. The pressure in the hydraulic system has now been released. Lines and components can now be
removed.
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5. 2. Remove six bolts (1) and the washers that hold cover assembly (2). Remove cover assembly (2)
from the inside rear of the undercarriage frame assembly.
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the machine. Be prepared to collect the fluid with suitable containers
before opening any compartment containing fluids. Refer to Special
Publication, NENG2500, "Caterpillar Tools and Shop Products
Guide", for tools and supplies suitable to collect and contain fluids in
Caterpillar machines. Dispose of all fluids according to local
regulations and mandates.
3. Disconnect pipes (5) and (6) from the travel brake valve. Put plugs in the pipes to keep dirt and
debris out of the hydraulic system.
4. Remove six socket head bolts (3) that hold travel brake valve (4) to the travel motor. Using two
persons, remove the travel brake valve. The weight of the travel brake valve is 25 kg (55 lb).
Remove the three O-ring seals from the travel motor.
NOTE: The following steps are for the installation of the travel brake valve.
5. Thoroughly clean the travel brake valve and the mating surface on the travel motor.
6. Check the condition of the three O-ring seals used between the travel brake valve and the travel
motor. If the seals are damaged, use new parts for replacement. Install the three O-ring seals in the
travel motor. Put clean hydraulic oil on the seals.
7. Install travel brake valve (4) and six socket head bolts (3) that hold it. Tighten the bolts to a
torque of 80 ± 8 N·m (60 ± 6 lb ft).
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6. 8. Check the condition of the O-ring seals in two pipes (5) and (6). If the seals are damaged, use
new parts for replacement. Install the O-ring seals in the pipes. Connect them to the travel brake
valve in their original locations.
9. Fill the hydraulic oil tank with oil to the correct level. See the Operation & Maintenance
Manual for the correct filling procedure.
10. Start the machine, and check for leaks. Reinstall cover assembly (2) and bolts (1) and the
washers that hold it.
Disassemble & Assemble Travel Brake Valves
Start By:
a. remove travel brake valve
1. Thoroughly clean the outside of the travel brake valve prior to disassembly.
NOTICE
During disassembly of the travel brake valve, mark all components as
to their location in the valve assembly. Do not mix the parts.
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7. Typical Example
There is spring pressure behind caps (2) which will cause the assembly
to fly apart when socket head bolts (1) are removed. To prevent possible
personal injury, use Tooling (A) to retain caps (2) when socket head
bolts (1) are being removed.
2. Only remove two of the socket head bolts (1) that are diagonal to each other. Then, install
Tooling (A) as shown. Tooling (A) will retain cap (2) when the two remaining socket head bolts
(1) are removed. Remove two remaining socket head bolts (1). Slowly turn out Tooling (A) until
the spring pressure behind cap (2) has been fully released.
3. Remove the other cap (2) as in Step 2.
4. Remove plunger assemblies (3), springs (4) and washers (5) from the valve body. Remove
spool assembly (9) from the valve body.
5. Remove O-ring seals (6) from the valve body and O-ring seals (7) from the connectors on the
valve body.
6. Remove relief valve assemblies (8) from the valve body.
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8. NOTE: Spacers (13) may have remained in the valve body during removal of relief valve
assemblies (8).
7. Disassemble the relief valve assemblies. Remove spacers (13) from the valve body. Remove
back-up rings (10), O-ring seal (14), O-ring seal (11) and back-up ring (12) from the relief valves.
8. Loosen nut (15). Remove screw (16), plug (17), spring (20) and retainer (21) from body (22).
Remove back-up ring (18) and O-ring seal (19) from plug (17).
9. Remove seat (27) and valve (23) from body (22). Remove back-up rings (24) and (26) and O-
ring seal (25) from seat (27).
NOTE: The following steps are for the assembly of the travel brake valve.
10. Thoroughly clean all parts of the travel brake valve prior to assembly.
11. Assemble relief valves (8) as indicated in Steps 12 through 14.
12. Check the condition of back-up rings (24) and (26) and O-ring seal (25). If the rings and seal
are damaged, use new parts for replacement. Install back-up rings (24) and (26) and O-ring seal
(25) on seat (27). Apply 1U-6396 Assembly Compound on the back-up rings and O-ring seal.
Install valve (23) and seat (27) in body (22).
13. Check the condition of back-up ring (18) and O-ring seal (19). If the ring and seal are
damaged, use new parts for replacement. Install back-up ring (18) and O-ring seal (19) on plug
(17). Apply 1U-6396 Assembly Compound on the back-up ring and O-ring seal. Install retainer
(21), spring (20) and plug (17) in body (22). Install screw (16) and nut (15). Tighten nut (15) to a
torque of 70 ± 7 N·m (50 ± 5 lb ft).
14. Check the condition of back-up rings (10) and (12) and O-ring seals (11) and (14). If the rings
and seals are damaged, use new parts for replacement. Install back-up ring (12) and O-ring seal
(11) on the relief valve. Install back-up rings (10) and O-ring seal (14) on the relief valve as
shown.
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9. 15. Apply 1U-6396 Assembly Compound on the back-up rings and O-ring seals of the relief
valves. Install spacers (13) and relief valves (8) in their original location in the valve body.
Tighten the relief valves to a torque of 200 ± 20 N·m (150 ± 15 lb ft).
NOTICE
Be sure the outer surface and the spool guides in each end of spool
assembly (9) are thoroughly clean prior to installation in the valve
body.
16. Put a thin coat of clean hydraulic oil on spool assembly (9), and install it in the valve body.
17. Check the condition of O-ring seals (6). If the seals are damaged, use new parts for
replacement. Install O-ring seals (6) in the valve body.
18. Be sure plungers (3) are thoroughly clean prior to installation in the valve body. Put a thin coat
of clean hydraulic oil on plungers (3). Install washers (5), springs (4) and plungers (3) in their
original locations in the valve body.
Typical Example
NOTICE
The spool assembly and plunger assemblies in the travel brake valve
will be damaged if caps (2) are not installed properly. The caps must be
installed squarely with the valve body to prevent binding of the
plunger assemblies on the end of the spool assembly.
19. Be sure plunger assembly (3) is thoroughly clean prior to installation in cap (2). Install the
plunger assembly in the cap. Apply clean hydraulic oil on plunger assembly (3). Install washer (5)
and spring (4) in the valve body.
20. Put cap (2) in position over spring (4), and install Tooling (A) as shown. Be sure that cap (2) is
square with the valve body by measuring dimension (X) on both sides of the cap. Slowly
compress the cap with Tooling (A), while keeping dimension (X) the same on both sides of the
cap. Do this until the cap makes contact with the valve body. Install two socket head bolts (1) to
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10. hold the cap in position. Remove Tooling (A) from the valve. Install the other two socket head
bolts (1).
21. Install the other cap (2) as in Step 20.
22. After installation of both caps (2), tighten socket head bolts (1) to a torque of 80 ± 8 N·m (60 ±
6 lb ft).
NOTE: After installation of the travel brake valve, adjust relief valves (8). See the "Testing And
Adjusting" module for the correct adjustment procedure.
End By:
a. install travel brake valves
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Oct 17 22:58:07 UTC+0800 2019
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11. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 322-A EXCAVATOR 7WL
Configuration: 322 322L TRACK-TYPE EXCAVATORS 7WL00001-UP (MACHINE) POWERED BY 3116 ENGINE
Disassembly and Assembly
322, 322 L, 322 N & 322 LN EXCAVATORS MACHINE SYSTEMS
Media Number -SENR6159-01 Publication Date -01/06/1998 Date Updated -01/10/2009
SENR61590024
Travel Motors
SMCS - 4351-010; 4351-017
Remove & Install Travel Motors
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the machine. Be prepared to collect the fluid with suitable containers
before opening any compartment containing fluids. Refer to Special
Publication, NENG2500, "Caterpillar Tools and Shop Products
Guide", for tools and supplies suitable to collect and contain fluids in
Caterpillar machines. Dispose of all fluids according to local
regulations and mandates.
NOTE: Prior to removing the travel brake valve for removal of the travel motor, drain the oil
from the final drive into a suitable container for storage or disposal. To drain the oil, put the drain
plug in the final drive at the bottom position by moving the machine. Remove the drain plug to
drain the oil. The capacity of the final drive is 10 liters (2.6 U.S. gal).
Start By:
a. remove travel brake valves
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12. View From Right Rear Side Of Undercarriage Frame Assembly
NOTE: Six socket head bolts (2) hold the travel motor to the final drive.
1. Remove two upper socket head bolts (2) that hold the travel motor to the final drive. Install two
guide bolts, that are slightly longer than the original mounting bolts, in the upper two mounting
bolt holes.
2. Disconnect hose assemblies (1) and (5) from the travel motor. Put plugs in the hose assemblies
to keep dirt and debris out of the hydraulic system.
3. Move hose assemblies (1) and (5) and two pipes (4) clear of the travel motor.
4. Remove the four remaining socket head bolts (2) that hold travel motor (3) to the final drive.
Using two persons, slide travel motor (3) out on the guide bolts. Fasten a hoist to travel motor (3),
and remove it from the final drive. The weight of the travel motor is 66 kg (145 lb).
5. Remove the O-ring seal from the body of the travel motor.
NOTE: The following steps are for the installation of the travel motor.
6. Thoroughly clean the mating surfaces of the travel motor and final drive prior to installation of
the travel motor.
7. Check the condition of the O-ring seal used on the body of the travel motor. If the seal is
damaged, use a new part for replacement. Install the O-ring seal on the body of the travel motor.
Apply clean hydraulic oil on the O-ring seal.
8. Fasten a hoist to travel motor (3). Position the travel motor on the two guide bolts. Use two
persons to slide travel motor (3) into position in the final drive. Install the four lower socket head
bolts (2) that hold the travel motor. Remove the guide bolts from the upper mounting bolt holes,
and install two upper socket head bolts (2). Tighten the six socket head bolts (2) evenly.
9. Check the condition of the O-ring seal used in the ends of hose assemblies (1) and (5) and two
pipes (4). If the seals are damaged, use new parts for replacement. Install the O-ring seals in the
hose assemblies and pipes. Connect hose assemblies (1) and (5) and two pipes (4) to the travel
motor in their original locations.
10. Fill the final drive with oil to the correct level. See the Operation & Maintenance Manual for
the correct filling procedure.
End By:
a. install travel brake valves
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13. Disassemble & Assemble Travel Motors
Start By:
a. remove travel motors
1. Thoroughly clean the outside of the travel motor prior to disassembly. Fasten the travel motor to
a suitable holding fixture in a vertical position. The weight of the travel motor is 66 kg (145 lb).
2. Put an alignment mark across the head and body of the travel motor for assembly purposes. The
head must be reinstalled in its original position on the travel motor body.
NOTICE
During removal of head (2) from the travel motor body, do not scratch
or damage the mating surfaces of the components.
3. Remove nine socket head bolts (1) and head (2) from the travel motor body.
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14. 4. Turn head (2) over, and remove O-ring seal (6), shims (5), port plate (4) and bearing (3) from
the head. Remove the two check valve assemblies from the head.
NOTE: There is a retainer located under spring (9). This retainer is a press fit in head (2). Do not
remove the retainer.
5. Install a small diameter rod in hole (X). Tap the rod with a plastic hammer to remove spring (9),
poppet (8) and seat (7) from the head.
6. Remove three fittings (10) and four plugs (11) from the head. Remove the O-ring seal from
each fitting. Remove the plug, O-ring seal, spool, spring, two orifices and two O-ring seals from
the head.
7. Remove three O-ring seals (12) and washer set (13) from the travel motor body.
8. Place a shop towel over brake piston (14). While retaining brake piston (14) by hand, apply
shop air pressure (free of water) of approximately 525 kPa (75 psi) to brake release port (Y).
Brake piston (14) will move up and out of the piston guide. Remove brake piston (14) from the
travel motor body.
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15. 9. Remove O-ring seals (15) and (17) and back-up rings (16) and (18) from the brake piston.
10. Remove piston guide (19), three friction plates and three steel plates (20) from the travel motor
body.
11. Remove O-ring seal (21) and back-up ring (22) from the piston guide.
NOTICE
Do not let the components of barrel assembly (23) come apart during
removal from the travel motor body. All components in the barrel
assembly must be reinstalled in their original locations.
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16. 12. Using two large screwdrivers as shown, carefully remove barrel assembly (23) from the travel
motor body so the components do not fall apart.
13. Shoe retainer (24) and piston shoe assemblies (25) are not serviced separately. Prior to
removal of the shoe retainer and piston shoe assemblies from barrel (26), put identification marks
on piston shoe assemblies (25) as to their location in shoe retainer (24) and barrel (26). The piston
shoe assemblies must be reinstalled in their original bores in the shoe retainer and the barrel.
14. Remove shoe retainer (24) and piston shoe assemblies (25) from barrel (26). Separate the
piston shoe assemblies from the shoe retainer.
15. Remove guide (27), spacer (28) and nine springs (29) from the barrel.
16. Remove cam plate (30) from the travel motor body.
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17. 17. Put identification marks on two balls (31) and two keys (32) as to their location in the travel
motor body. Remove two balls (31) and two keys (32) from the travel motor body.
18. Remove O-ring seal (33) from the travel motor body.
19. Using a soft faced hammer, remove shaft (34) from the travel motor body in the direction
shown.
20. Remove a retaining ring (35) from each side of bearing (36). Push shaft (34) out of bearing
(36) with a press.
21. Remove inner race (37) from shaft (34).
22. Remove lip-type seal (38) from the travel motor body.
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18. 23. Measure the amount that each cam plate tension adjuster protrudes above the outside of the
travel motor body. Record these dimensions for installation purposes. Remove the two cam plate
tension adjusters from the travel motor body. Loosen two nuts (39), and remove two adjusters
(40), two springs (43) and two pistons (44) from the travel motor body. Remove O-ring seal (42)
and back-up ring (41) from each adjuster (40).
NOTE: The following steps are for assembly of the travel motor.
24. Be sure all parts of the travel motor are thoroughly clean and free of dirt and debris prior to
assembly.
25. Install retaining ring (35) in the groove on shaft (34). Install bearing (36) on shaft (34) with a
press. Install the bearing until it makes contact with the retaining ring. Install the other retaining
ring (35) on the other side of bearing (36).
26. Install inner race (37) on the end of shaft (34) until it is seated against the shoulder on the
shaft.
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19. 27. Apply 5P-3413 Pipe Sealant or 1U-8846 Gasket Maker on surfaces (Y) of the travel motor
body. Using Tool (A), install lip-type seal (38) in the body with the lip of the seal facing in as
shown. Be sure the seal makes contact with the counterbore in the body after installation.
NOTICE
During installation of shaft (34) in the travel motor body, rotate the
shaft slowly to be sure it does not bind.
28. Apply clean hydraulic oil on the lip of lip-type seal (38). Install shaft (34) in the travel motor
body with a press. Rotate the shaft slowly during installation, making sure it does not bind. Be
sure the bearing on the shaft makes contact with the counterbore in the body.
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20. NOTICE
The locating pin on each key (32) is not centered. To prevent damage to
barrel assembly (23) during assembly of the travel motor, the keys
must be installed as shown in the illustration. Also, the keys must be
installed in their original locations in the travel motor body.
29. Install two keys (32) in the travel motor body as shown.
30. Install cam plate (30) in the travel motor body in its original position. Be sure the machined
cutouts in the cam plate engage with the keys.
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21. 31. Install nine springs (29) in the barrel. Install spacer (28) and guide (27) on the barrel.
32. Install piston shoe assemblies (25) in their original bores in shoe retainer (24).
33. Apply clean hydraulic oil in the bores of the barrel and on piston shoe assemblies (25). Install
the piston shoe assemblies with the shoe retainer in their original bores in barrel (26).
NOTICE
Prior to installing barrel assembly (23), be sure cam plate (30) is
correctly engaged on keys (32). When the travel motor body is tilted to
allow installation of barrel assembly (23), cam plate (30) can slide off of
keys (32). The remainder of the travel motor can be assembled with the
cam plate out of position, however extensive parts damaged will occur
during the remaining assembly procedure. Use the procedure which
follows to prevent parts damage.
34. Apply clean hydraulic oil on the sliding surfaces of the cam plate, the piston shoe assemblies
and on the splined shaft of the motor.
35. Route a piece of strong string through one of the openings for the cam plate tension adjusters,
over the sliding surface of cam plate (30), and out the other opening for the cam plate tension
adjusters. Hold the string tight to keep cam plate (30) properly engaged with keys (32). While
keeping the string tight, put the travel motor body on its side. Do not release the tension on the
string at this time. Install barrel assembly (23) on the shaft as a unit. Pull the string out of the
travel motor body. It may be necessary to pull the barrel assembly and piston shoe assemblies
away from the cam plate a small amount to release the string.
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22. Suggest:
If the above button click is invalid.
Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading
23. 36. Check the condition of the O-ring seal and the back-up ring used on piston guide (19). If the
seal or ring are damaged, use new parts for replacement. Install O-ring seal (21) and back-up ring
(22) on piston guide (19) as shown.
37. Put the travel motor body in a vertical position.
38. Apply clean hydraulic oil on three friction plates and three steel plates (20). Install the plates
in alternating order in the travel motor body. Start with a friction plate and end with a steel plate.
39. Apply 1U-6396 Assembly Compound on the O-ring seal and the back-up ring on piston guide
(19). Install the piston guide in the travel motor body until it makes contact with the counterbore
in the body.
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