Factory Technical Manual For John Deere Combine. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.

Format: PDF
Language: English
Pages: 874
Number: TM4417 (june 1989)
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

John Deere Combine
4425

Contents

-GENERAL
General Specifications
Diagnosing and Testing Procedures
Tune-Up and Adjustment
Clamping Ring Bearings
Drive Belts
Drive Chains
-ENGINE – REPAIR
Engine Removal
Cooling System
-FUEL/AIR INTAKE SYSTEM – REPAIR
Air Intake and Exhaust Systems
Diesel – Fuel System
Speed Control Linkage
-ELECTRICAL SYSTEM – REPAIR
Wiring Harnesses and Connectors
Starting motor
Alternator
System Components
Low Shaft Speed Monitor
HARVESTRAK Combine Monitor
-POWER TRAIN – REPAIR
POSI-TORQ Ground Drive – Upper Unit
POSI-TORQ Ground Drive – Lower Unit
Clutch Control
Clutch
Four-Speed Transmission
Final Drives
-BRAKES AND REAR AXLE – REPAIR
Power Steering
Rear Axle and V-Support
Parking Brake
Brakes Control
Brakes
-HYDRAULIC SYSTEM – REPAIR
Main Hydraulic Reservoir
Main Hydraulic Pump
Main Hydraulic Control Valve
Hydraulic Cylinders
Accumulator and Gauge
Hydraulic Reel Drive System
Hydraulic Reverser Motor
-SEPARATOR SHELL – REPAIR
Rear Hood
Rear Axle
-OPERATOR’S STATION – REPAIR
Air Conditioning – Compressor
Air Conditioning – Components
Air Conditioning – Service
Pressurizer System
Heating System
Seat
Cab
-HEADERS – REPAIR
200 Series Cutting Platform
40 Series Corn Head
50 Series Row-Crop Heads
-HEADER AND FEEDER DRIVES REPAIR
Header and Feeder Drives
Header and Feeder Drives
Hydraulic Reverser
-SEPARATOR/CLEANING UNIT-REPAIR
Separator Drive
Threshing Cylinder Variable Drive
Cylinder Drive Reduction Gear
Threshing Cylinder
Concave
Beater Variable Drive
Beater
Straw Walkers
Chaffer and Sieves
Cleaning Fan
Straw Chopper
Straw Spreader
-ELEVATORS, GRAIN TANK AND UNLOADING AUGERS – REPAIR
Tailings Augers and Elevator
Clean Grain Auger and Elevator
Grain Tank Augers
Unloading Auger and Housing
-DIAL-A-MATIC HEADER HEIGHT CONTROL – REPAIR
Electrical System
Hydraulic System
-ENGINE – OPERATION AND TESTS
Cooling System
-FUEL AND AIR INTAKE SYSTEM – OPERATION AND TESTS
Air Intake System
Diesel Fuel System
-ELECTRICAL SYSTEM – OPERATION AND TESTS
General Testing/Wiring Charts and Diagrams
Starting Motor
Alternator
Low Shaft Speed Monitor
HARVESTRAK Combine Monitor
-POWER TRAIN – OPERATION AND TESTS
POSi-TORQ Ground Drive
Clutch Control
Clutch
Transmission
-STEERING/BRAKES – OPERATION AND TESTS
Power Steering – Operation
Power Steering – Diagnosing Malfunctions
Power Steering – Tests
Brakes and Brakes Control
-HYDRAULIC SYSTEM – OPERATION AND TESTS
Hydraulic System Operation
Diagnosing Malfunctions
Hydraulic System
-OPERATOR’S STATION – OPERATION AND TESTS
Air Conditioning Operation
Air Conditioning – Tests
Pressurizer System
-DIAL-A-MATIC HEADER HEIGHT CONTROL – OPERATION AND TESTS
General information, Diagnosis
Electrical System
Hydraulic System
Mechanical System