New Holland 634, 644, 654, 664 Round Baler Repair Manual 40063440 English

Brands: New Holland / Ford New Holland / New Holland Agriculture

Equipment Type: Round Baler

Manuals Type: Repair Manual

Machine Model & Serial Number: 634, 644, 654, 664

Region: N/R

Book Code: 40063440

Issued: Printed in U.S.A.

Language: English

Pages: 444

File Format: Portable Document Format (PDF)

Remark: Covers complete repair including PTO, Gearbox, Slip Clutches, Floor/Starter/Apron/Sledge Rolls, Hydraulics, and Bale Command Electrical/Mechanical Systems. (Tractor-driven implement, no engine).

Table of contents

• SECTION 1 - GENERAL INFORMATION
  • Introduction
  • Precautionary Statements
  • Safety Decals
  • Basic Components
  • Driveline Schematic
  • Hardware and Minimum Tightening Torques
  • Conversion Charts
• SECTION 2 - PTO DRIVELINE
  • PTO Removal
  • Front PTO Shaft Disassembly
  • Rear PTO Shaft Disassembly
  • Inspection and Assembly
  • Slide Collar Quick-Disconnect
  • Shaft and Clutch Removal
  • Labor Guide
• SECTION 3 - GEARBOX REMOVAL
  • Removing the Gearbox (Model 634, 644, 654, 664)
  • Gearbox Rebuild (540 RPM and 1000 RPM)
  • Installing the Gearbox
  • Labor Guide
• SECTION 4 - STANDARD AND WIDE PICKUPS
  • Standard Pickup (Finger Replacement, Cam Bearing, Slip Clutch, Removal, Cam Track)
  • Wide Pickup (Finger Replacement, Cam Bearing, Auger Repair, Removal, Slip Clutch, Feeder Repair, Cam Track)
  • Labor Guide
• SECTION 5 - SLIP CLUTCHES
  • Main Drive Slip Clutch
  • Floor Roll Drive Clutch
  • Sledge Roll Drive Clutch
  • Special Tools
  • Labor Guide
• SECTION 6 - FLOOR ROLL AND STARTER ROLL GROUP
  • Floor Roll Removal, Inspection, Assembly
  • Starter Roll - Model 634
  • Starter Roll - Models 644, 654, and 664
  • Bale Slice - Model 644 (Knife Carriage & Roll Assembly)
  • Labor Guide
• SECTION 7 - APRON ROLL GROUP
  • Releasing Belt Tension
  • Drive Roll Removal
  • Apron Drive Roll Declutch
  • Idler Rolls
  • Labor Guide
• SECTION 8 - APRON BELTS
  • Belt Failure Analysis
  • Repairing Belt Lacing
  • Belt Tracking
  • Installation of Endless Belts
  • Labor Guide
• SECTION 9 - SLEDGE ROLL GROUP
  • Follower Roll
  • Stripper Roll
  • Middle Roll
  • Sledge or Pivot Arm
  • Pivot Roll
  • Labor Guide
• SECTION 10 - HYDRAULIC SYSTEM
  • Tailgate Lift System (Model 634, 644, 654, 664)
  • Cylinder Removal, Installation, and Repair
  • Lockout Valve
  • Belt Tension System (Density System, Adding Oil)
  • Relief Valve
  • Pickup Lift Cylinder
  • Troubleshooting
  • Labor Guide
• SECTION 11 - TWINE WRAPPER SYSTEM - MODEL 634
  • Adjustments
  • Drive Motor Replacement
  • Twine Arm/Drive Removal and Assembly
  • Electrical Control Box
  • Full Bale Alarm Switch
  • Electrical Diagram
  • Labor Guide
• SECTION 12 - AUTO-WRAP TWINE SYSTEM - MODELS 644, 654, AND 664
  • Twine Wrapping Cycle Operation
  • Twine Wrapper Adjustments
  • Twine Tubes
  • Twine Knives and Supports
  • Clutch and Brake Assembly
  • Cam, Cam Follower, and Worm Gears
  • Trip Slide and Knife Operating Slide
  • Mounting Plate, Idler Assembly and Manual Trip Lever
  • Trip Linkage and Full Bale Alarm
  • Labor Guide
• SECTION 13 - BALE COMMAND MECHANICAL SYSTEM - MODELS 644, 654, AND 664
  • Twine Wrapping Cycle Operation
  • Twine Wrapper Adjustments
  • Twine Wrapper Repair
  • Net Wrapper
  • Net Wrapper Repair
  • Labor Guide
• SECTION 14 - BALE COMMAND ELECTRICAL SYSTEM
  • Operation (Twine or Net)
  • Adjustments (Sensors, Harness, Diagnostics)
  • Troubleshooting (Error Messages, Self-Diagnostic Tests)
  • Labor Guide

Introduction
This service manual provides the technical information needed to properly service New Holland Roll-Belt™ round balers. Use this manual in conjunction with the operator's manual for complete operation, adjustment, and maintenance information. On New Holland equipment, left and right are determined by standing behind the unit, looking in the direction of travel.