It is Complete Diagnosis, Operation and Test Service Manual for John Deere Combines Models 1450, 1550, 1450 CWS, 1550 CWS, 1450 WTS, 1550 WTS

This manual contains high quality images, circuit diagrams, diagnostic procedures to help you to diagnostic, troubleshoot and repair your truck. This document is printable, without restrictions, contains searchable text, bookmarks, cross-links for easy navigation.

This is Diagnostic manual, including electrical wiring diagrams, Repair manual are sold separate.

Covered models (S.N. from 054551B):
  1450
  1550
  1450 CWS
  1550 CWS
  1450 WTS
  1550 WTS

Contents:
   Foreword
   References in this manual
   Safety
      Safety Information
   Diagnostics
      AHC-Active Header Control
   Engine System
      General Information
      Test and Adjustment Procedures
      Engine Diagnostics
      Identification and Location of Components
   Cooling and Air Intake Systems
      General Information
      Test and Adjustment Procedures
      Air Intake System Diagnostic
      Engine Cooling System Diagnostic
      Identification and Location of Components
   Electrical System
      How To Use Diagnostic Information
      Electrical System Schematics
      Fuse Board
      Engine Start-Up System Diagnostic-1450
      Engine Start-Up System Diagnostic-1550
      Battery Recharging System Diagnostic
      Engine Shut-Off System Diagnostic-1450
      Engine Shut-Off System Diagnostic-1550
      Accelerator Diagnostic-CWS/WTS
      Engine Speed Diagnostic-1450/1550
      Injection Pump Speed and Engine Speed Diagnostic-CWS/WTS
      Manifold Air Temperature, Engine Coolant Temperature and Fuel Pressure Sensor Diagnostic-CWS/WTS
      Fuel Transfer Pump Diagnostic-CWS/WTS
      Engine Air Intake Heater Diagnostic-CWS/WTS
      Combine Speed Limiter Diagnostic
      Fuse Tester Diagnostic
      Engine Coolant Temperature Gauge Diagnostic
      Fuel Level Gauge Diagnostic
      Straw Walker Performance Monitor and Sensor Diagnostic
      Cleaning Shoe Performance Monitor and Sensor Diagnostic
      Header Position Gauge Diagnostic-CWS/WTS
      Straw Distributor Motor Diagnostic-CWS/WTS
      Cab Interior Lighting Diagnostic
      Windshield Washer Motor Diagnostic
      Windshield Wiper Motor Diagnostic
      Grain Tank Lighting System Diagnostic
      Radio Diagnostic
      CB Radio Diagnostic
      Engine Oil Pressure Diagnostic
      Parking Brake Diagnostic
      Hydrostatic System Oil Temperature Diagnostic
      Straw Chopper Impeller Speed Sensor Diagnostic
      Tailings Elevator Auger Speed Sensor Diagnostic
      Straw Walker Crankshaft Speed Sensor Diagnostic
      Power Separator Speed Sensor Diagnostic-WTS
      Clean Grain Elevator Auger Speed Sensor Diagnostic
      Cleaning Fan Speed Sensor Diagnostic
      Engine Air Filter Sensor Diagnostic
      Hydraulic Oil Filter Sensor Diagnostic
      Grain Tank Filling Level Sensor Diagnostic
      Cigarette Lighter Diagnostic
      Headlights Diagnostic
      Compressor Diagnostic of Air Seat
      Front Clearance Lights Diagnostic
      Tail Light Diagnostic
      Left-Hand Turn Signal Diagnostic
      Right-Hand Turn Signal Light Diagnostic
      Beacon Lights Diagnostic
      Air Conditioning System Diagnostic
      Electrical Adjustment of Rear View Mirrors Diagnostic -CWS/WTS
      Unloading Auger Lighting System Diagnostic
      Work Lights and Spot Lights On Mirror Arms Diagnostic
      Cab Auxiliary Work Light Switch Diagnostic
      Straw Chopper and Straw Walker Plugging Alarm Diagnostic
      Reel Speed Adjustment Diagnostic
      Brake Light Diagnostic
      Separator Drive Diagnostic
      Unloading Auger Drive Diagnostic
      Header Drive Diagnostic
      Feeder House Drive Reverser Diagnostic
      INFO-TRAKINFO-TRAK is a trademark of the Deere & Company Monitor/ Drive Shaft Speed Monitor
      Cleaning Fan Speed Adjustment Diagnostic
      Threshing Cylinder Speed Adjustment Diagnostic
      Concave Spacing Adjustment Diagnostic
      Header Height Control Diagnostic-AHC (Automatic)
      Reel Extend/Retract Diagnostic
      Reel Raise/Lower Diagnostic
      Header Lateral Tilt Diagnostic
      Cutterbar Pressure Selection Valve Switch Diagnostic-600 Series Flex Header
      Header Raise/Lower Diagnostic (Manual)
      Header Controller Board Diagnostic
      Float Control Diagnostic-300 and 600 Series Rigid Cutting Platform
      Unloading Auger Swing Diagnostic
      Four Wheel Drive Diagnostic
      Area Counter Diagnostic
      Gearshift Lock Diagnostic-CWS/WTS
      Back-up Alarm Diagnostic-CWS/WTS
      Sieves and Engine Compartment Lights Diagnostic
      Header Calibration Procedures
      Connector Data
   Drive Train
      Specifications
      Checking Parts for Wear
      Hydrostatic System Test
      Transmission
   Four-Wheel Drive
      Two Speed Four-Wheel Drive
   Brakes, Steering and Rear Axle
      Brake System
      Drum Brakes
      Steering System
   Hydraulic System
      General Information
      Hydraulic Schematic
      Reel Hydraulic Motor
      Hydraulic Pump Drive
      Hydraulic Control Valve
      Hydraulic System Troubleshooting
      Identification and Location of Hydraulic Components
   Cab
      Cab and Operator`s Seat
      Air Conditioning and Heating
      Ventilation and Heating - Troubleshooting
      Operational Tests and Troubleshooting
      Air Conditioning System Operation