John Deere 623 644 Round Balers Technical Manual TM300319

John Deere 623 644 Round Balers Technical Manual TM300319

Manual Type: Technical Manual

Language: English

Format: PDF

Print Length: 519 Pages

Model: 623 644

Part Number: TM300319

DETAILS:

Foreword

Safety

Safety Information

General

Serial Numbers

Torques for Hardware

Lubrication

General Information

Electrical System – Repair

Connectors

Sensors, Switches and Potentiometers

Actuators

ELC Plus Monitor (Electronic Tying Control)

BaleTrak Control Monitor

Power Train

Walterscheid Powerline

Cam-Type Cut Out Clutch

Gear Case (Baler with 540 rpm Gear Case)

Gear Case (Baler with 1000 rpm Gear Case)

Chain Tension

Braking System – Repair

Air Brakes

Hydraulic Brakes

Brake Shoe and Drum

Hydraulic System – Repair

General Information

Bale Density Control Valve (623 Silage and 644 Balers)

Bale Density Control Valve (623 MultiCrop Baler)

Bale Density Booster Device

Hydraulic Cylinders

Gate Locking Valve

Rotary Feeder Hydraulic Components with ELC Monitor

Rotary Feeder Hydraulic Components with BaleTrak Control Monitor

Miscellaneous

Wheel Hub Repair

Bale Shape or Bale Full-Size Indicator

Drop Floor Position Indicator

Tongue

Lubrication System – Repair

Drive Chain Lubrication

Pickup Repair

Pickup Drive Components

Precutter Device

Adjustment

Conveyor (MultiCrop Baler)

Repair

Net Tying

Repair

Twine Tying

Repair

Diagnostic Trouble Codes For BaleTrak Control

Description

Battery Voltage

Right Bale Shape Potentiometer R4

Left Bale Shape Potentiometer R3

Twine Actuator M1

Net Actuator M2

Pickup Valve Y4

Knife Valve Y3

Drop Floor Valve Y2

Gear Case RPM Sensor S6

Twine Pulley Sensors S7/S8

Net Cut Sensor S4

Right Oversize Bale (Gate) Switch S1

Full-Size Bale Switch S3

EPROM

Troubleshooting

Bale Density/Gate Control – Troubleshooting

Twine Tying – Troubleshooting

Chain Lubrication – Troubleshooting

Electrical System

General Information

Test Equipment

Electrical Diagram/Battery Wiring Harness

Electrical System/ELC Plus Monitor

Electrical Diagram/ELC Plus Control

Electrical System/BaleTrak Monitor

Electrical Diagram/BaleTrak Control

Diagnostic Modes

Lubrication System – Operation and Tests

Air Brake System Operation and Tests

Hydraulic Brake System Operation and Tests

Hydraulic Brake System – Description

Hydraulic Brake System – Tests

Hydraulic System Operation and Tests

Bale Density/Gate Control – Description

Bale Density/Gate Control – Tests

Rotary Feeder Hydraulic System without Precutter Device – Description

Rotary Feeder Hydraulic System without Precutter Device – Tests

Rotary Feeder Hydraulic System with Precutter Device – Description

Rotary Feeder Hydraulic System with Precutter Device – Tests

Special Tools – Dealer-Fabricated