JD 302A Backhoe Loader Manual TM1090
Model: JD 302A (TM1090)
Type: Backhoe Loader
Language: English
Format: PDF
Service manual
The JD 302A Service Manual provides general background information as well as technical details on shop service.
This service manual has been planned and written to simplify the repair of your equipment. Read it whenever you need to know the correct maintenance procedures or specifications. Using the service manual as a guide reduces errors and costly delays. It will also assure you of the best in finished service work.
302A JD Backhoe Loader Repair Manual
Table of Contents – Service Manual
1. Introduction
- Overview and Manual Usage
2. General Information
- General Machine Specifications
- Predelivery, Delivery, and After-Sale Services
- Lubricant Recommendations
3. Engine System
- Engine Removal and Installation
- Basic Engine Components
- Engine Lubrication System
- Engine Cooling System
- Fuel System
- Speed Control Linkage
- Air Intake System
- Specifications and Special Tools
4. Electrical System
- Batteries
- Charging System
- Starting System
- Ignition System
- Gauges and Switches
- Specifications and Special Tools
5. Power Train System
- Clutch Assemblies
- Transmission
- Reverser
- Continuous Running PTO
- Differential and Parking Brake
- Final Drives
- Specifications and Torque Values
6. Hydraulic System
- Transmission Pump
- Main Hydraulic Pump
- Reverser Clutch Control Valve
- Pressure Control Valve
- Power Steering Valve
- Brake Valve
- Loader Control Valve
- 9250 Backhoe Control Valve
- 9250-A Backhoe Control Valve
- Selective Control Valve
- Rockshaft System
- Miscellaneous Hydraulic Components
- Loader Cylinders
- Remote Cylinder
- 9250 Backhoe Cylinders
- 9250-A Backhoe Cylinders
- Specifications and Special Tools
7. Miscellaneous Components
- Front End Assembly
- Loader Frame, Boom, and Bucket
- 9250 Backhoe Frame, Boom, Dipperstick, and Bucket
- 9250-A Backhoe Frame, Boom, Dipperstick, and Bucket
- 3-Point Hitch
- Specifications and Special Tools
8. System Testing and Diagnostics
- General Information
- Engine Testing
- Electrical System Testing
- Power Train Testing
- Hydraulic System Testing
- Hydraulic System Analyzer
- Miscellaneous Component Testing
- Specifications and Special Tools
9. Index
- Quick Reference and Keyword Index
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