
John Deere 655C, 755C, Liebherr 622 and 632 Crawler Loaders Service Manual TM1945
The John Deere 655C, 755C, Liebherr 622 and 632 Crawler Loaders Service Manual TM1945 provides service, maintenance, and repair information for the specified crawler loader models. The manual covers general information, safety guidelines, special tools, repair welding, installation procedures, and maintenance inspections. Engine and drivetrain sections include engine technical data, power and torque specifications, the coupling, and splitter box. Travel and working hydraulic systems are covered through technical data, schematics, hose routing, testing, and adjustment procedures. Additional sections address hydraulic components, electrical systems, electronic controls, travel gears, and track components, including wear assessment and track roller frames. The manual also covers front bucket attachments, rear ripper attachments, frame components, hydraulic and fuel tanks, the operator platform, heating and air conditioning, special attachments, and storage and material information.
Specifications: SM
- Brand: John Deere Crawler
- Type of Document: Repair Manual, Service Manual
- Type of Equipment: Crawler Loader
- Models: John Deere 655C, 755C; Liebherr 622, 632
- Manual Number: TM1945
- Language: English
- Format: PDF

Details:
Table of Contents
General Information
- Foreword and explanation
- Safety guidelines
- Hand signals
- Service items
- Table – charts
- Code letters + terminal designations
Special Tools, Application Guidelines
- Special tools
- Repair welding
- Installation guidelines
Technical Data – Maintenance Guidelines
- Technical data
- Maintenance and inspection guidelines
- Maintenance and inspection instructions
- Adjustment checklist and quick reference
Engine
- Technical data LH engine
- Power, torque LH engine
- Fan and cylinder configuration LH Diesel engine
Coupling and Splitter Box
- Technical data couling and splitter box
- Coupling
- Splitter box
Travel Hydraulic
- Technical data
- Description
- Function / Schematics
- Hydraulic hose routing
- Test and adjustment
Working Hydraulic
- Technical data
- Description
- Function / Schematics
- Test and adjustment
Hydraulic Components
- Variable pump travel hydraulic
- Variable motor travel hydraulic
- Variable flow pump working hydraulic
- Constant pumps and motors
- Pilot control valve working hydraulic
- Control valve block
- Valves
- Hydraulic cylinder
Electrical System
- Current flow diagram
- Electrical schematic and wiring
- Instrument panel
Electronic Control
- Electrical schematic and wiring
- Description of function
- Diagnostic test box application
- Pedal control tester application
- Travel control joystick
Travel Gear
- Technical data
- Construction, function travel gear
- Travel gear type D
Track Components
- Technical data
- Description, function, wear effects
- Measuring instructions and evaluation of wear
- Appraisal report
- Wear chart
- Front idler
- Track adjuster unit
- Track roller
- Carrier roller
- Track roller frame
- Support shaft preassembled
Attachments – front
- Mechanical end stops – bucket attachment
- Attachment – multi purpose bucket
Attachments – rear
- Attachment – ripper
Main Frame – Add On Components
- Cooler / radiator arrangement
- Equalizer bar
Tank Installation’s
- Hydraulic tank
- Fuel tank
- Battery box
Operators Platform, Heater, Air Conditioner
- Hydraulic tilting device
- Heater and blower
- Engine operation
- Air conditioner
Special Attachments
- Refueling pump
- Arrangement – additional lights
- Operator’s seat with air suspension
- Windshield wiper – interval switch
- Hydraulic oil temperature gauge
Miscellaneous Informations
- Storage (preservation) guidelines
- Material classification
- Weight of materials



