Caterpillar TH255 Service Manual 31200364
$30.00
- Type Of Manual: Service Manual
- Manual ID: 31200364
- Number of Pages: 226
- Size: 17.5MB
- Format: PDF
-
Model List:
- TH255
- 1. _D_TH255_CAT_Service Manual
- 1.1. Revisions
- 1.2. Table of Contents
- 1.3. Section 1 Safety Practices
- 1.3.1. Introduction
- 1.3.2. Disclaimer
- 1.3.3. Operation Maintenance Manual
- 1.3.4. Do Not Operate Tags
- 1.3.5. Safety Information
- 1.3.5.1. Safety Alert System and Signal Words
- 1.3.6. Safety Instructions
- 1.3.6.1. Personal Hazards
- 1.3.6.2. Equipment Hazards
- 1.3.6.3. General Hazards
- 1.3.6.4. Operational Hazards
- 1.3.7. Safety Decals
- 1.4. Section 2 General Information and Specifications
- 1.4.1. Replacement Parts and Warranty Information
- 1.4.2. Specifications
- 1.4.2.1. Travel Speed
- 1.4.2.2. Hydraulic Cylinder Performance Specifications
- 1.4.2.3. Electrical System
- 1.4.2.4. Engine Performance Specifications
- 1.4.2.5. Tires
- 1.4.3. Fluids, Lubricants and Capacities
- 1.4.4. Maintenance Schedules
- 1.4.4.1. ,1st 50 50 Hour Maintenance Schedule
- 1.4.4.2. t 250, 250 500 Hour Maintenance Schedule
- 1.4.4.3. Hour Maintenance Schedule
- 1.4.5. Lubrication Schedule
- 1.4.5.1. Hour Lubrication Schedule
- 1.4.6. Torque Charts
- 1.4.6.1. SAE Fastener Torque Chart
- 1.4.6.2. Metric Fastener Torque Chart
- 1.4.7. Hydraulic Connection Assembly and Torque Specification
- 1.4.7.1. Definitions
- 1.4.7.2. Assembly Instructions for American Standard Pipe Thread Tapered Connections
- 1.4.7.3. Assembly Instructions for British Standard Pipe Thread Tapered Connections
- 1.4.7.4. Assembly Instructions for 37 (JIC) Flare Fittings
- 1.4.7.5. Assembly Instructions for 45 SAE Flare Fittings
- 1.4.7.6. Assembly Instructions for O-Ring Face Seal (ORFS) Fittings
- 1.4.7.7. Assembly Instructions for DIN 24 Flare Bite Type Fittings (MBTL and MBTS)
- 1.4.7.8. Assembly Instructions for Bulkhead (BH) Fittings
- 1.4.7.9. Assembly Instructions for O-Ring Boss (ORB) Fittings
- 1.4.7.10. Assembly Instructions for Adjustable Port End Metric Fittings
- 1.4.7.11. Assembly Instructions for Metric ISO 6149 Port Assembly Stud Ends
- 1.4.7.12. Assembly Instructions for Adjustable Port End (BSPP) Fittings
- 1.4.7.13. Assembly Instructions for Flange Connections (FL61 and FL62)
- 1.4.7.14. Double Wrench Method
- 1.4.7.15. FFWR and TFFT Methods
- 1.4.7.16. Adjustable Stud End Assembly
- 1.4.7.17. O-ring Installation (Replacement)
- 1.5. Section 3 Boom
- 1.5.1. Boom System Component Terminology
- 1.5.2. Safety Information
- 1.5.3. Boom System – Two Section Boom
- 1.5.3.1. Boom System Description
- 1.5.4. Boom Assembly Maintenance
- 1.5.4.1. Second Boom Section Removal
- 1.5.4.2. First Boom Section Removal
- 1.5.4.3. First Boom Section Installation
- 1.5.4.4. Second Boom Section Installation
- 1.5.4.5. Complete Boom Removal
- 1.5.4.6. Second Boom Section Removal
- 1.5.4.7. Second Boom Section Installation
- 1.5.4.8. Boom Installation
- 1.5.4.9. Tilt and Auxiliary Hose Removal
- 1.5.4.10. Tilt and Auxiliary Hose Installation
- 1.5.4.11. Extend/Retract Cylinder Removal
- 1.5.4.12. Extend/Retract Cylinder Installation
- 1.5.5. Boom Wear Pads
- 1.5.5.1. Wear Pad Inspection
- 1.5.5.2. Wear Pad Installation and Lubrication
- 1.5.5.3. Boom Wear Pad Lubrication
- 1.5.6. Quick Coupler Assembly
- 1.5.6.1. Quick Coupler Removal
- 1.5.6.2. Quick Coupler Installation
- 1.5.7. Forks
- 1.5.8. Boom Prop (If Equipped)
- 1.5.8.1. Installation and Removal Procedures
- 1.5.9. Emergency Boom Lowering Procedure
- 1.5.9.1. Equipment and Supplies Required
- 1.5.9.2. Lowering Procedure
- 1.5.10. Troubleshooting
- 1.6. Section 4 Cab and Covers
- 1.6.1. Operator Cab and Covers Component Terminology
- 1.6.2. Safety Information
- 1.6.3. Operator Cab
- 1.6.3.1. Operator Cab Description
- 1.6.3.2. Serial Number Decal
- 1.6.4. Cab Components
- 1.6.4.1. Steering Wheel
- 1.6.4.2. Steering Column/Valve Replacement
- 1.6.4.3. Brake Pedal and Valve
- 1.6.4.4. Throttle Pedal Replacement
- 1.6.4.5. Throttle Cable Adjustment
- 1.6.4.6. High Idle Adjustment
- 1.6.4.7. Joystick Replacement
- 1.6.4.8. Windshield Wiper Assembly (If Equipped)
- 1.6.4.9. Windshield Washer Assembly (If Equipped)
- 1.6.4.10. Heater/Defroster System (If Equipped)
- 1.6.5. Cab Removal
- 1.6.6. Cab Installation
- 1.7. Section 5 Axles, Drive Shafts, Wheels and Tires
- 1.7.1. Axle, Drive Shaft and Wheel Component Terminology
- 1.7.2. Safety Information
- 1.7.3. General Information
- 1.7.4. Axle Assemblies
- 1.7.4.1. Axle Serial Number Plate
- 1.7.4.2. Axle Specifications
- 1.7.4.3. Axle Internal Service
- 1.7.4.4. Axle Maintenance
- 1.7.4.5. Axle Removal
- 1.7.4.6. Axle Installation
- 1.7.4.7. Steering System Purge Procedure
- 1.7.5. Axle Assembly And Drive Shaft Troubleshooting
- 1.7.6. Drive Shafts
- 1.7.6.1. Drive Shaft Inspection
- 1.7.6.2. Drive Shaft Maintenance
- 1.7.6.3. Drive Shaft Removal
- 1.7.6.4. Drive Shaft Cleaning and Drying
- 1.7.6.5. Drive Shaft Installation
- 1.7.7. Wheels and Tires
- 1.7.7.1. Removing Wheel and Tire Assembly from Machine
- 1.7.7.2. Installing Wheel and Tire Assembly onto Machine
- 1.7.8. Steering Angle Adjustment
- 1.7.9. Brakes
- 1.7.9.1. Brake Disc Inspection
- 1.7.10. Towing a Disabled Machine
- 1.7.10.1. Equipment and Supplies Required
- 1.7.10.2. Towing Procedure
- 1.8. Section 6 Transmission
- 1.8.1. Transmission Assembly Component Terminology
- 1.8.2. Safety Information
- 1.8.3. Transmission Description
- 1.8.4. Transmission Specifications
- 1.8.4.1. Transmission Maintenance
- 1.8.5. Transmission Replacement
- 1.8.5.1. Transmission Removal
- 1.8.5.2. Transmission Disassembly
- 1.8.5.3. Transmission Installation
- 1.8.5.4. After Transmission Replacement
- 1.8.6. Transmission Filter Replacement
- 1.8.6.1. Filter Removal
- 1.8.6.2. Filter Installation
- 1.9. Section 7 Engine
- 1.9.1. Introduction
- 1.9.1.1. Disclaimer and Scope
- 1.9.1.2. Component Terminology
- 1.9.2. Safety Information
- 1.9.3. Engine Serial Number
- 1.9.4. Specifications and Maintenance Information
- 1.9.5. Engine Cooling System
- 1.9.5.1. Radiator Pressure Cap
- 1.9.5.2. Radiator/Oil Cooler and Coolant Heater Replacement
- 1.9.6. Engine Electrical System
- 1.9.7. Fuel System
- 1.9.7.1. Diesel Fuel
- 1.9.7.2. Fuel/Hydraulic Oil Tank
- 1.9.7.3. After Fuel System Service
- 1.9.8. Engine Exhaust System
- 1.9.8.1. Exhaust System Removal
- 1.9.8.2. Exhaust System Installation
- 1.9.9. Air Cleaner Assembly
- 1.9.9.1. Air Cleaner Assembly Removal
- 1.9.9.2. Air Cleaner Assembly Installation
- 1.9.10. Engine Replacement
- 1.9.10.1. Engine Removal
- 1.9.10.2. Engine Disassembly, Inspection and Service
- 1.9.10.3. Engine Installation
- 1.9.11. Engine Coupler
- 1.9.11.1. Engine Coupler Removal
- 1.9.11.2. Engine Coupler Installation
- 1.9.12. Troubleshooting
- 1.10. Section 8 Hydraulic System
- 1.10.1. Hydraulic Component Terminology
- 1.10.2. Safety Information
- 1.10.3. General Information
- 1.10.4. Specifications
- 1.10.5. Hoses, Tube Lines, Fittings, Etc.
- 1.10.5.1. Replacement Considerations
- 1.10.5.2. Hose, Tube, Line and Fitting Replacement
- 1.10.6. Hydraulic Pressure Diagnosis
- 1.10.6.1. Pressure Checks and Adjustments
- 1.10.6.2. Main Control Valve Pressure Checking
- 1.10.6.3. Charge Pressure Checking
- 1.10.6.4. Boom Function Pressure Checking
- 1.10.6.5. Steering Pressure Checking
- 1.10.7. Hydraulic Schematic
- 1.10.7.1. Before S/N TBS00627
- 1.10.7.2. S/N TBS00627 After
- 1.10.7.3. Options
- 1.10.8. Hydraulic Reservoir
- 1.10.8.1. Pressurized Hydraulic Oil Fill Cap
- 1.10.8.2. Hydraulic Oil Reservoir Draining
- 1.10.8.3. Hydraulic Oil Reservoir Filling
- 1.10.9. Hydraulic System Pump
- 1.10.9.1. Implement Pump Replacement
- 1.10.10. Front Drive Motor
- 1.10.11. Control Valves
- 1.10.11.1. Main Control Valve
- 1.10.11.2. Service Brake Valve
- 1.10.11.3. Parking Brake Valve (ANSI)
- 1.10.11.4. Hand Brake Valve (CE AUS)
- 1.10.11.5. Steering Orbitrol Valve
- 1.10.11.6. Pilot Select Valve
- 1.10.11.7. Inching Valve
- 1.10.11.8. Priority Valve
- 1.10.11.9. Steer Select Valve
- 1.10.11.10. Joystick Enable Valve
- 1.10.11.11. Decompression Valve
- 1.10.11.12. Quick Attach Valve
- 1.10.11.13. Load Stability Indicator Valve (CE AUS)
- 1.10.12. Hydraulic Cylinders
- 1.10.12.1. General Cylinder Removal Instructions
- 1.10.12.2. General Cylinder Disassembly
- 1.10.12.3. Cylinder Cleaning Instructions
- 1.10.12.4. Cylinder Inspection
- 1.10.12.5. General Cylinder Assembly
- 1.10.12.6. General Cylinder Installation
- 1.10.12.7. Steering Cylinders
- 1.10.12.8. Hydraulic Cylinder Torque Specifications
- 1.11. Section 9 Electrical System
- 1.11.1. Electrical Component Terminology
- 1.11.2. Safety Information
- 1.11.3. Fuses and Relays
- 1.11.3.1. Engine Compartment Relays and Fuses
- 1.11.3.2. Cab Compartment Fuses and Relays
- 1.11.3.3. Power Distribution Module
- 1.11.3.4. Cab Fuses / Relays
- 1.11.4. Electrical System Schematics
- 1.11.4.1. Before S/N TBS00627
- 1.11.4.2. S/N TBS00627 After
- 1.11.5. Circuit Breakdowns
- 1.11.5.1. Charge Circuit Breakdown
- 1.11.5.2. Start Circuit Breakdown
- 1.11.5.3. Constant Power Circuit Breakdown
- 1.11.5.4. Drive Circuit Breakdown
- 1.11.6. Engine Start Circuit
- 1.11.6.1. Starter
- 1.11.7. Charging Circuit
- 1.11.7.1. Alternator
- 1.11.8. Electrical System Components
- 1.11.8.1. Back-up Alarm
- 1.11.8.2. Instrument Cluster
- 1.11.8.3. Speedometer
- 1.11.9. Window Wiper/Washer
- 1.11.9.1. Windshield Wiper Motor
- 1.11.9.2. Rear Window or Roof Wiper Motor (if equipped)
- 1.11.9.3. Windshield Washer Reservoir and Pump
- 1.11.10. Cab Heater and Fan
- 1.11.10.1. Cab Heater Controls
- 1.11.11. Switches, Solenoids and Senders
- 1.11.11.1. Ignition Key Switch
- 1.11.11.2. Dash Switches
- 1.11.11.3. Fuel Level Indicator and Fuel Level Sender
- 1.11.11.4. Hourmeter
- 1.11.11.5. Coolant Temperature Sender
- 1.11.11.6. Fuel Shut-off Solenoid
- 1.11.11.7. Oil Pressure Sender
- 1.11.12. Load Stability System (CE AUS) Before S/N TBS00627
- 1.11.12.1. Load Stability Indicator
- 1.11.12.2. Load Stability Indicator
- 1.11.12.3. Load Stability Sensor
- 1.11.13. Load Stability System (CE AUS) S/N TBS00627 After
- 1.11.13.1. LSI Axle Sensor
- 1.11.13.2. LSI Boom Sensors
- 1.11.13.3. LSI Modules
- 1.11.13.4. LSI System Calibration
- 1.11.13.5. LSI-CAN Check PT
- 1.11.13.6. Hour – LSI UGM Calibration Check
- 1.11.14. Hand Held Analyzer (CE AUS) S/N TBS00627 After
- 1.11.14.1. Analyzer Usage
- 1.11.14.2. Analyzer Software – Version 1.2
- 1.11.14.3. Diagnostic Trouble Codes (DTC) on Ground Module
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