John Deere 4990 Self-Propelled Windrower Technical Manual TM1820

John Deere 4990 Self-Propelled Windrower Technical Manual TM1820

Manual Type: Technical Manual

Language: English

Format: PDF

Print Length: 1306 Pages

Model: 4990

Part Number: TM1820

DETAILS:

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