Illustrated Factory Diagnosis and Tests Service Manual for John Deere Self-Propelled Hay and Forage Windrowers Models 4990

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, crosslinks for easy navigation.

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

Language: English
Format: PDF, 1306 pages

Covered models:
  4990

Contents:
   Engine
   Fuel/Air Systems
   Electrical System Diagnosis and Test (Serial No. -163100)
      Electrical Diagrams
      Diagnosing Electrical System Malfunctions
      Power Supply Circuits Tests
      Starting System Tests
      Charging System Tests (120 Amp)
      Ground Speed Control System Diagnostics
      Lighting System Tests
      Platform Control Systems Tests
      Machine Monitor System Tests
      Fuel Control Tests
      Heating and Air Conditioning Tests
      Cab Accessories Circuits Tests
      Air Seat Systems Tests
      Miscellaneous Tests
   Electrical System Diagnosis and Test (Serial Number 163101 - )
      How To Use This Diagnostic Information
      Test And Adjustments
      Air Condition and Heat Diagnostics
      Armrest - Float Pressure Diagnostics
      Armrest - Field/Road Shift (Running Lights) Diagnostics
      Armrest - Platform Engage Diagnostics
      Armrest - Throttle Control Diagnostics
      Auxiliary Power Diagnostics
      Charging Diagnostics
      COMFORT COMMAND Seat Diagnostics
      Gauges - Engine Temperature and Fuel Level Diagnostics
      Horn Diagnostics
      Hydro Handle Diagnostics
      Lighting System Diagnostics
      Park Brake Diagnostics
      Power Distribution Diagnostics
      Radio Diagnostics
      Rotating Wand Diagnostics
      Starting System Diagnostics
      Tachometer - Engine Speed and Hourmeter Diagnostics
      Tachometer - Float Pressure Diagnostics
      Tachometer - Ground Speed/Park Brake Diagnostics
      Tachometer - Overall Diagnostics
      Tachometer - Platform Speed and Hourmeter Diagnostics
      Warning Display Panel
      - Alternator Diagnostics
       - Engine Air Filter Diagnostics
       - Engine Oil Pressure Diagnostics
       - Engine Temperature Diagnostics
       - Float Pressure Warning Diagnostics
       - Hydraulic Oil Filter Diagnostics
       - Hydrostatic Charge Pressure Low Diagnostics
       - Hydrostatic Oil Temperature Diagnostics
       - Low Fuel Diagnostics
       - Operator Presence
       - Overall Diagnostics
       - Park Brake Diagnostics
       - Road Shift Engage Light Diagnostics
      Wiper Diagnostics
      Connector Information (end views, numbers, location photos)
   Power Train Diagnosis and Test
   Steering and Brakes Diagnosis and Test
   Hydraulic System Diagnosis and Test
      General Information
      Tests and Adjustments
      General Hydraulic System Diagnostics
      Priority Valve Diagnostics
      Open Center Circuit Diagnostics
      Platform Raise/Lower Diagnostics
      Platform Tilt Diagnostics
      Platform Float System Diagnostics
      Platform Drive Diagnostics
      Auxiliary-Charge Pump Diagnostics
      Component Location
   Operator Station