John Deere 1450, 1550, 1450CWS, 1550CWS, 1450WTS, 1550WTS Combines Repair Technical Manual (TM4714)

John Deere 1450, 1550, 1450CWS, 1550CWS, 1450WTS, 1550WTS Combines Repair Technical Manual (TM4714 12 JUN 03)

This professional repair technical manual provides factory-level servicing instructions for John Deere combine harvesters. It covers the 1450 and 1550 series, including CWS and WTS versions, with detailed repair tasks for engines, hydraulics, transmissions, brakes, steering, and harvesting assemblies.

Model Covers:

John Deere 1450, 1550, 1450CWS, 1550CWS, 1450WTS, 1550WTS Combines

(S.N. 047354-048750, 000000-047353)

File Format: PDF

Size: 27.27 MB

No. of pages: 557

Language: English

Delivery Method: Instant Download - Access your file immediately after purchase.

📑 Included Sections:

General and Specifications

• Safety guidelines and machine identification views
• Comprehensive specifications for engines, hydraulics, and capacities
• Torque charts for SAE and metric fittings

Engine and Fuel Systems

• Engine removal, repair, and installation procedures
• Fuel system servicing, filter bleeding, and throttle adjustments
• Air intake, turbocharger inspection, and coolant system flushing

Electrical System

• Battery handling, alternator service, and starter repair
• Main fuses, relays, and wiring diagrams
• Harvest performance monitor calibration and sensor adjustments

Powertrain and Hydrostatics

• Transmission servicing, differential assembly, and final drives
• Hydrostatic pump removal, repair, and oil change procedures
• Brake assemblies, steering components, and rear axle adjustments

Hydraulics and Auxiliary Systems

• Hydraulic valve block operations and cylinder repair
• Triple hydraulic pump service and accumulator maintenance
• Drive belts, chains, and compressed air system components

Harvesting Units

• Feeder house removal, adjustments, and slip clutch servicing
• Separator, concave, threshing cylinder, and straw walker repairs
• Cleaning shoe, fan, and grain transport system adjustments

Cab and Air Conditioning

• Operator’s cab heating and cooling servicing
• Air conditioning refrigerant handling and leak testing
• Gear shift mechanism adjustments and cab filter maintenance

For complete service information, also see:

1450, 1550, 1450 CWS, 1550 CWS Combines — Diagnostic .......... TM4835
PowerTech 8.1 L Diesel Engines — Base Engine .......... CTM86
Alternators and Starting Motors .......... CTM77
PowerTech 4.5 L and 6.8 L OEM Diesel Engines — Level 4 Electronic Fuel Systems with Bosch VP44 Pump .......... CTM170
PowerTech 6.8 L and 8.1 L, 6068 and 6081 Diesel Engines — Level 3 Electronic Fuel Systems with Bosch In-Line Pump .......... CTM134
PowerTech 4.5 L & 6.8 L Diesel Engines — Tier 1/Stage I, Tier 2/Stage II, Tier 3/Stage IIIA, Tier 3/Stage IIA, Tier 3/Stage III (Base Engine) .......... CTM104

This John Deere Combines Repair Technical Manual delivers in-depth servicing instructions, ensuring precise maintenance and extended reliability for combine harvesters in demanding harvesting operations.