DOWNLOAD PDF TECHNICAL SERVICE MANUAL FOR JOHN DEERE 644 HAY AND FORAGE ROUND BALERS ALL INCLUSIVE | VIN Number - TM300319

This all-inclusive Technical Service Manual from John Deere provides detailed instructions and schematics for the 644 Hay and Forage Round Baler. It is ideal for preventive maintenance, technical servicing, and diagnostics.

TECHNICAL SERVICE MODEL COVERED:
JOHN DEERE 644 

TECHNICAL SERVICE MANUAL CONTENTS:
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

Total Pages - 519
Manual format -PDF
Printable - Entire Manual Or Single Page
zoomable - ALL Diagrams & Pictures
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