13. Undercarriage
Chapter Overview . . . . . . . . . . . . . . . . . . . . . 13-1
Personal Safety . . . . . . . . . . . . . . . . . . . . . . 13-1
Machine Preparation . . . . . . . . . . . . . . . . . . . 13-1
Removal & Installation . . . . . . . . . . . . . . . . . 13-1
15” Idler Wheel ) . . . . . . . . . . . . . . . . . . . . 13-1
Removal Procedure . . . . . . . . . . . . . . . . 13-1
Installation Procedure . . . . . . . . . . . . . . 13-1
10” Bogie Wheel & Hub . . . . . . . . . . . . . . 13-2
Removal & Service Procedure . . . . . . . . 13-2
Idler Hub . . . . . . . . . . . . . . . . . . . . . . . . . . 13-6
Removal & Service Procedure . . . . . . . . 13-6
Front and Rear Axles . . . . . . . . . . . . . . . . 13-11
Removal/Installation . . . . . . . . . . . . . . . . 13-11
14. Lift Arm Components
Chapter Overview . . . . . . . . . . . . . . . . . . . . . 14-1
Personal Safety . . . . . . . . . . . . . . . . . . . . . . 14-1
Machine Preparation . . . . . . . . . . . . . . . . . . . 14-1
Removal & Installation . . . . . . . . . . . . . . . . . 14-1
Lift Cylinder . . . . . . . . . . . . . . . . . . . . . . . . 14-1
Removal Procedure . . . . . . . . . . . . . . . . 14-1
Installation Procedure . . . . . . . . . . . . . . 14-3
Bucket/Tilt Cylinder . . . . . . . . . . . . . . . . . . 14-3
Removal Procedure . . . . . . . . . . . . . . . . 14-3
Installation Procedure . . . . . . . . . . . . . . 14-5
Q/C Block PRV . . . . . . . . . . . . . . . . . . . . . 14-5
Removal Procedure . . . . . . . . . . . . . . . . 14-5
Installation Procedure . . . . . . . . . . . . . . 14-5
15. Quick Attach
Chapter Overview . . . . . . . . . . . . . . . . . . . . . 15-1
Personal Safety . . . . . . . . . . . . . . . . . . . . . . 15-1
Machine Preparation . . . . . . . . . . . . . . . . . . . 15-1
Removal & Installation . . . . . . . . . . . . . . . . . 15-1
Locking Pin . . . . . . . . . . . . . . . . . . . . . . . . 15-1
Removal Procedure . . . . . . . . . . . . . . . . 15-1
Installation Procedure . . . . . . . . . . . . . . 15-2
Pivot Pin . . . . . . . . . . . . . . . . . . . . . . . . . . 15-3
Removal Procedure . . . . . . . . . . . . . . . . 15-3
Installation Procedure . . . . . . . . . . . . . . 15-3
16. Hydraulic Component Service
Chapter Overview . . . . . . . . . . . . . . . . . . . . . 16-1
Personal Safety . . . . . . . . . . . . . . . . . . . . . . 16-1
Disassembly & Assembly . . . . . . . . . . . . . . . 16-1
Hydraulic Cylinder . . . . . . . . . . . . . . . . . . . 16-1
Disassembly Procedure . . . . . . . . . . . . . 16-1
Assembly Procedure . . . . . . . . . . . . . . . 16-3
Lift Arm Control Valve . . . . . . . . . . . . . . . . 16-4
Disassembly Procedure . . . . . . . . . . . . . 16-4
Assembly Procedure . . . . . . . . . . . . . . . 16-5
Drive Pump (Drive Relief Valves) . . . . . . . 16-6
Disassembly & Adjustment . . . . . . . . . . 16-6
Drive Pump (Solenoid/Spool) . . . . . . . . . 16-6
Disassembly Procedure . . . . . . . . . . . . . 16-6
Assembly Procedure . . . . . . . . . . . . . . . 16-7
Auxiliary Pump . . . . . . . . . . . . . . . . . . . . . 16-7
Disassembly Procedure . . . . . . . . . . . . . 16-7
Assembly Procedure . . . . . . . . . . . . . . . 16-8
17. Hydraulic Pressure & Flow
Chapter Overview . . . . . . . . . . . . . . . . . . . . . 17-1
Personal Safety . . . . . . . . . . . . . . . . . . . . . . 17-1
Contamination Inspection . . . . . . . . . . . . . . . 17-1
Pressure/Flow Test and Troubleshooting . . . 17-1
Charge Pressure Check & Adjust . . . . . . . 17-1
Auxiliary Pressure Check & Adjust . . . . . . 17-3
Lift Arm Pressure Check . . . . . . . . . . . . . . 17-4
Drive Pressure Check . . . . . . . . . . . . . . . . 17-4
18. Troubleshooting
Chapter Overview . . . . . . . . . . . . . . . . . . . . . 18-1
Personal Safety . . . . . . . . . . . . . . . . . . . . . . 18-1
Visual Inspection . . . . . . . . . . . . . . . . . . . . . . 18-1
General Troubleshooting Scenarios . . . . . . . 18-1
Engine/Machine Troubleshooting . . . . . . . . . 18-3
19. Service Tool
Chapter Overview . . . . . . . . . . . . . . . . . . . . . 19-1
Personal Safety . . . . . . . . . . . . . . . . . . . . . . 19-1
Service Tool . . . . . . . . . . . . . . . . . . . . . . . . . 19-1
Connecting the Service Tool
. . . . . . . . . . 19-4
Using the Service Tool . . . . . . . . . . . . . . . 19-4
20. Lubricant & Fuel specification
Chapter Overview . . . . . . . . . . . . . . . . . . . . . 20-1
Fluids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
Fuel Specifications . . . . . . . . . . . . . . . . . . . . 20-1
21. Service Aids & Supplements
General Torque Specifications . . . . . . . . . . . 21-1
Fitting Torque Specifications . . . . . . . . . . . . . 21-1
III
Compact Track Loader
Table of Contents
Summary of Contents for PT100G Forestry
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