
John Deere 6103 6203 6403 6603 Tractors Operation and Test Manual TM6021
The John Deere 6103 6203 6403 6603 Tractors Operation and Test Manual provides detailed operation, testing, diagnostic, and adjustment information for the 6103, 6203, 6403, and 6603 tractor models in Latin America, South Africa, and Asia. It covers general information, observable symptoms, engine operation and tests, fuel and air systems, electrical system diagnosis, power train, mechanical front wheel drive, brakes, hydraulics, steering, and the operator’s cab. The manual includes operational checkouts, system diagnostics, component locations, transmission and clutch diagnostics, MFWD systems, hydraulic rockshaft and selective control valve systems, electrical testing, wiring schematics, and steering system diagnostics.
Specifications: SM
- Brand: John Deere 6000 Series Tractors
- Type of Document: Operation and Test Manual
- Type of Equipment: Tractor
- Region: Latin America, South Africa, Asia
- Model: 6103, 6203, 6403, 6603
- Manual Number: TM6021
- Language: English
- Format: PDF

Details:
Table of Contents
Introduction
- Foreword
General
- Safety
- Tractor Component Identification
- Specifications
- Diagnostic and Testing Procedures
- Electrical System Operational Checkout
- Power Train System Operational Checkout
- Mechanical Front Wheel Drive System Operational Checkout
- Brake System Operational Checkout
- Selective Control Valve System Operational Checkout
- Rockshaft System Operational Checkout
- Steering Operational Checkout
Observable Symptoms
- Engine Operation and Tests
- Fuel/Air Operation and Test
- Electrical System Diagnosis and Tests
- Power Train Operation and Tests
- Mechanical Front Wheel Drive System Diagnosis and Tests
- Brakes System Diagnosis and Tests
- Hydraulic System Diagnosis and Test
- Steering System Diagnosis and Tests
Engine Operation And Tests
- Engine Diagnostics General Information
- Test Procedures and Adjustments
- Cooling System
- 4045 Engine Operation
- 6068 Engine Operation
- Component Location
Fuel/Air Operation And Tests
- General Information
- Test Procedures and Adjustments
- Air Intake System Diagnostics
- Fuel System Diagnosis 4045
- Fuel System Diagnosis 6068
- Component Location
Electrical System Diagnosis And Tests
- General Information
- Air Filter Restrictor Indicator Diagnostics
- Alternator and Battery Diagnostics
- Engine Oil Pressure Diagnostics
- Engine Coolant Temperature Diagnostics
- Fuel Gauge Diagnostics
- Horn Diagnostics
- Hour Meter/Tachometer Diagnostics
- Instrument Panel Overall Diagnostics
- Lights – Flood Light Diagnostics
- Lighs – Headlight and Instrument Lighting Diagnostics
- Lights – Overall Light Diagnostics
- Lights – Tail Lights Diagnostics
- Lights – Turn Signal Diagnostics
- Lights – Warning Lights Diagnostics
- Manifold Heater Diagnostics
- Power Distribution and Fuse Block Diagnostics
- PTO Indicator Diagnostics
- Bypass Start Diagnostics
- Starting System Diagnostic
- 7-Pin Trailer Outlet Diagnostics
- Circuit Code Listing
- Connector Information (end views, numbers, location photos)
- Connector Repair Procedures
Electrical System Operation, Test & Adjust (Cab Tractors)
- Component Location
- Theory of Operation
- Diagnosis, Test and Adjust
- Wiring Schematics
Power Train Operation And Tests
- General Information
- Test Procedures and Adjustments
- Power Train Overall
- Clutch Diagnostics
- Differential Diagnostics
- Differential Lock Diagnostics
- Final Drive Diagnostics
- Transmission Power Flow Diagnostics
- Top Shaft Synchronized Transmission Diagnostics
- Rear PTO Diagnostics
- Lube Circuit Diagnostics
- Clutch Interlock
- Collar Shift Transmission
- Component Location
Mechanical Front Wheel Drive System Diagnosis and Tests
- General Information
- MFWD Adjustments
- MFWD Overall Diagnostics
- Mechanical Front Wheel Drive Front Axle Diagnostics
- MFWD Drop Gear Box
- Component Location
Brakes System Diagnosis and Test
- General Information
- Test Procedures and Adjustments
- Brake System Diagnostics
- Component Location
Hydraulic System Operation And Tests
- General Information
- Test Procedures and Adjustments
- Basic Hydraulic System
- Rockshaft System Diagnostics
- Selective Control Valve Diagnostics
- Component Location
Steering System Diagnosis and Tests
- General Information
- Test Procedures and Adjustments
- Steering System Diagnostics
- Component Location
Operator’s Cab
- Operational Tests
- Tests and Adjustments
- Operation



