
John Deere 490 Excavator Diagnostic Repair Manual (TM1302)
This John deere service repair manual contains high quality images, diagrams, instructions to help you to service and repair your machine. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation.
- Manual Included:
- Repair Technical Manual: 638 Pages
- Specifications:
- Brand: John Deere
- Model: 490
- Type: Excavator
- Manuals: Repair Technical Manual
- Publication Numbers: TM1302
- Language: English
- Format: PDF
Section Summary
| Category | Covered Topics |
|---|---|
| Foreword | Manual introduction |
| General | Safety, specifications, torque values, fluids |
| Tracks | Track systems |
| Axles | Shafts, bearings, reduction gears, hydraulics |
| Engine | Major components, fuel system, turbo, cooling, starting |
| Excavator | Buckets, teeth, frames, hydraulics |
| Swing System | Mechanical drive, hydraulics |
| System Testing | Operational checkout, engine, electrical, powertrain, hydraulic |
| Dealer Fabricated Tools | Complete list of special service tools and part numbers |

Table of Contents – Service Manual
Foreword
- About This Manual
General Information
- Safety Precautions
- General Specifications
- Cap Screw Torque Values
- Fuels and Lubricants
Tracks
- Track Systems
Axles and Suspension System
- Axle Shaft, Bearings, and Reduction Gears
- Hydraulic System
Engine
- Crankshaft and Main Bearings
- Camshaft and Valve Actuating Means
- Connecting Rods and Pistons
- Cylinder Block
- Oiling System
- Cylinder Head and Valves
- Fuel Injection System
- Intake Manifold
- Engine Balancer
- Turbocharger
- Water Pump
- Thermostats, Housings, and Water Piping
- Oil Cooler
- Fuel Filter
- Fuel Transfer Pump
- Starting Motor and Fastenings
- Flywheel, Housing, and Fastenings
Excavator
- Buckets, Teeth, Shanks, and Sidecutters
- Frames
- Hydraulic System
Swing, Rotation, or Pivoting System
- Mechanical Drive Elements
- Hydraulic System
System Testing
- 490 Operational Checkout Procedure
- Engine Testing
- Electrical System Testing
- Power Train Testing
- Hydraulic System Testing
- Miscellaneous Component Testing
Dealer Fabricated Tools
- DSD011183 – Ring Keeper
- DSD021183 – Bar
- DSD031183 – L-Bar
- DSD121183 – Eye Bolt
- ST-1080 – Puller
- ST-1947 – Puller Assembly
- ST-2145 and ST-2146 – Bearing Installer
- ST-2147 – Bearing Installer
- ST-2148 – Seal Installer
- ST-2149 – Seal Installer
- ST-2152 – Bearing Installer
- ST-2155 – Bearing Installer
- ST-2156 – Bearing Installer
- ST-2157 – Seal Installer
- ST-3013 – Bearing Nut Rotating Tool
- ST-4911 – Rotor Holder
- ST-5002 – Cam Holder
- ST-5003 – Repair Stand
- ST-5011 – Repair Stand
- ST-6910 – Measuring Tool
- ST-7006 – Spacer
- ST-7007 – Rotor Support
- ST-7008 – Cap
- ST-9040 – Lifting Tool
- ST4920 – Track Recoil Spring Disassembly and Assembly Tool
- DFT1087 – Track Recoil Spring Disassembly and Assembly Guard Tool
- Rotary Manifold Lifting Tool
- ST-3250 – Wrench for Arm Cylinder Piston
- ST-3251 – Wrench for Bucket Cylinder Piston



