John Deere Center Pivot Rotary Mower-Conditioners 946, 956 All Inclusive Service Technical Manual (TM1824)

Complete Diagnostics and Repair manual with Electrical Wiring Diagrams for John Deere Center Pivot Rotary Mower Conditioners Models 946 and 956, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.

John Deere Center Pivot Rotary Mower-Conditioners 946, 956 workshop Diagnosis Repair Service manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.

TM1824 - John Deere Center Pivot Rotary Mower-Conditioners 946, 956 All Inclusive Technical Manual (Diagnosis Operation Tests Repair Service).PDF

Total Pages: 811 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English

MAIN SECTIONS
 Foreword
   Service Technician Response
   General
      Safety
      Specifications
      General Information
      Lubricants
   Power Train
      General Information
      Driveline Malfunctions
      Driveline Repair
      Tongue Drive Shaft
      Belt Drives
      Hitch, Tongue, and Platform Gear Cases
      Cutterbar-Conditioner Gear Case
      Roll Drive Gear Case (Roll Machine)
   Cutting Components
      General Information
      Diagnosing Malfunctions
      Cutterbar Assembly
      Disks and Knives
   Platform
      General Information
      Platform Repair
   Conditioner
      General Information
      Diagnosing Malfunctions
      Roll Arms and Bearings
      Rolls
      Impeller
   Carrier Frame and Tongue
      General Information
      Diagnosing Malfunctions
      Carrier Frame
      Tongue
   Hydraulics
      General Information
      Diagnosing Malfunctions
      Lift Cylinders
      Swing Cylinder
      Tilt Cylinder (Top Link)
   Miscellaneous
      Wheels and Wheel Support Assembly
      Electrical Repair
   Dealer Fabricated Tools
 

tm1824 - 946 and 956 Center Pivot Rotary Mower-Conditioners

Table of Contents

Foreword

Service Technician Response

Section 10: General

Group 05: Safety

Recognize Safety Information

Understand Signal Words

Follow Safety Instructions

Operate Mower-Conditioner Safely

Keep Riders Off Machine

Handle Fluids Safely—Avoid Fires

Prepare for Emergencies

Handle Chemical Products Safely

Avoid High-Pressure Fluids

Stay Clear of Rotating Drivelines

Avoid Injury From Thrown Objects

Use Safety Lights and Devices

Use a Safety Chain (Drawbar Hitch)

Tow Loads Safely

Support Machine Properly

Wear Protective Clothing

Work in Clean Area

Service Machines Safely

Illuminate Work Area Safely

Replace Safety Signs

Use Proper Lifting Equipment

Remove Paint Before Welding or Heating

Avoid Heating Near Pressurized Fluid Lines

Service Tires Safely

Practice Safe Maintenance

Use Proper Tools

Construct Dealer-Made Tools Safely

Dispose of Waste Properly

Live With Safety

Group 10: Specifications

946 and 956 Center Pivot Rotary Mower-Conditioner Specifications Specifications and design subject to change without notice.

Metric Bolt and Screw Torque Values

Unified Inch Bolt and Screw Torque Values

Face Seal Fittings Assembly and Installation—All Pressure Applications

SAE Face Seal Fitting Torque Chart—Standard Pressure Applications

SAE Face Seal Fitting Torque Chart—High Pressure Applications

Service Recommendations For 37° Flare and 30° Cone Seat Connectors

Group 15: General Information

Machine Description

Record Product Identification Numbers

Machine Serial Number

Group 20: Lubricants

Grease

Cutterbar Oil

Gear Case Oil

Alternative and Synthetic Lubricants

Mixing of Lubricants

Lubricant Storage

Perform Lubrication and Maintenance

Section 20: Power Train

Group 05: General Information

Power Train Operation—Impeller Conditioner

Power Train Operation—Roll Conditioner

Group 10: Driveline Malfunctions

Driveline Malfunctions

Group 15: Driveline Repair

Other Material

Service Parts Kits

Specifications

General Information

Repair PTO Hookup and Platform Driveline

Repair PTO Lock-Back Collar Disconnect

PTO Hookup—Exploded View

Platform Driveline—Exploded View

Repair Hitch Gear Case U-Joint Coupler

Repair Overrunning Driveline

Repair Tongue Pivot Driveline

Repair Cutterbar U-Joint coupler—946 and 956

Repair Upper Roll Driveline (Roll Conditioner)

Repair Lower Roll Driveline (Roll Machine)

Group 20: Tongue Drive Shaft

Specifications

Remove Tongue Drive Shaft

Install Tongue Drive Shaft

Remove And Install Rear Drive Shaft Bearing

Group 25: Belt Drives

Service Equipment and Tools

Other Material

Specifications

Replace Main Drive Belt

Adjust Main Drive Belt Tension

Remove and Install Fixed Idler

Repair Adjustable Idler Assembly

Replace Drive Sheave Bearing

Replace Driven Sheave Bearing

Replace Conditioner Drive Belt—Impeller Machine

Adjust Conditioner Drive Belt Tension—Impeller Machine

Replace Conditioner Drive Belt—Roll Machine

Adjust Conditioner Drive Belt Tension—Roll Machine

Group 30: Hitch, Tongue, and Platform Gear Cases

Essential or Recommended Tools

Service Equipment and Tools

Other Material

Service Parts Kits

Specifications

Remove and Install Hitch Gear Case—Two-Point Hitch

Remove and Install Hitch Gear Case—Drawbar Hitch

Remove and Install Tongue Gear Case

Remove And Install Platform Gear Case

Disassemble Hitch, Tongue, and Platform Drive Gear Cases (Iberica)

Disassemble Hitch and Tongue Gear Cases (Comer)

Disassemble Platform Drive Gear Case (Comer)

Inspect Hitch, Tongue, and Platform Drive Gear Cases (Iberica)

Assemble Hitch, Tongue, and Platform Drive Gear Cases (Iberica)

Assemble Hitch and Tongue Gear Cases (Comer)

Assemble Platform Drive Gear Case (Comer)

Group 35: Cutterbar-Conditioner Gear Case

Essential or Recommended Tools

Service Equipment and Tools

Other Material

Specifications

Remove and Install Cutterbar-Conditioner Gear Case

Disassemble Cutterbar-Conditioner Drive Gear Case (Comer)

Disassemble Cutterbar-Conditioner Drive Gear Case (Iberica)

Inspect Cutterbar-Conditioner Gear Case (Iberica)

Assemble Cutterbar-Conditioner Gear Case (Comer)

Assemble Cutterbar-Conditioner Gear Case (Iberica)

Repair Cutterbar-Conditioner Drive Gear Case Quill (956 Impeller Machine)

Group 40: Roll Drive Gear Case (Roll Machine)

Service Equipment and Tools

Other Material

Specifications

Remove and Install Roll Drive Gear Case

Disassemble Roll Drive Gear Case

Inspect Roll Drive Gear Case

Assemble Roll Drive Gear Case

Section 30: Cutting Components

Group 05: General Information

Cutterbar Description

Group 10: Diagnosing Malfunctions

Diagnose Cutterbar Malfunctions

Group 15: Cutterbar Assembly

Essential or Recommended Tools

Service Equipment and Tools

Other Material

Service Parts Kits

Specifications

Drain Oil From Cutterbar

Remove and Install Cutterbar

Remove and Install Individual Intermediate Module from Cutterbar

Checking Dented Module

Repairing Dented Module

Disassemble and Assemble Cutterbar Module

Remove Idler Gear Bearing From Idler Gear

Remove and Install Left-Hand End Quill Assembly

Remove and Install Right-Hand End or Intermediate Quill Assemblies

Cutterbar Quill and Pinion Gear Timing Detail—Disks Rotate Towards Center (946)

Cutterbar Quill and Pinion Gear Timing Detail—Disks Rotate Towards Center (956)

Cutterbar Quill and Pinion Gear Timing Detail—Alternating Disk Rotation (946)

Cutterbar Quill and Pinion Gear Timing Detail—Alternating Disk Rotation (956)

Inspect Quill Bearing End Play

Inspect Idler Gear Bearing

Disassemble and Assemble Quill Assembly

Replace Left-Hand End Disk Driver

Replace Intermediate Disk Drivers

Replace Right-Hand End Disk Driver

Adjust Lower Crop Shields

Group 20: Disks and Knives

Service Parts Kits

Specifications

Remove Disks

Install and Synchronize Disks

Check Knives and Knife Bolts for Wear

Check Disk Wear

Remove and Install Knives

Replace Wear Cap On Knife Bolt

Replace Crop Accelerator (If Equipped)

Section 40: Platform

Group 05: General Information

Platform Description

Settings for Various Crop Conditions

Group 10: Platform Repair

Specifications

Remove and Install Gauge Shoes

Adjust Cut Height—Turnbuckle Top Link

Adjust Cut Height—Hydraulic Tilt Control

Adjust Platform Float

Remove and Install Platform

Windrow Forming Shields

Adjust Windrow Width

Section 50: Conditioner

Group 05: General Information

Conditioner Description

Group 10: Diagnosing Malfunctions

Diagnose Roll Conditioner Malfunctions

Diagnose Impeller Conditioner Malfunctions

Group 15: Roll Arms and Bearings

Service Equipment and Tools

Other Material

Specifications

Remove And Install Upper Roll Arm—Left-Hand Side

Remove and Install Upper Roll Arm—Right-Hand Side

Replace Upper Roll Arm Bearing

Replace Lower Roll Bearing—Left-Hand Side

Replace Lower Roll Bearing—Right-Hand Side

Group 20: Rolls

Other Material

Specifications

Remove Rolls

Install Urethane Rolls

Install Tri-Lobe Rolls

Install V-10 Rolls

Adjust Roll Alignment

Adjust Roll Timing

Adjust Roll Pressure

Adjust Roll Spacing (Roll Conditioner)

Shaft Replacement

Group 25: Impeller

Specifications

Remove and Install Impeller

Replace Impeller Bearing—Left-Hand Side

Replace Impeller Bearing—Right-Hand Side

Change Impeller Speed

Section 60: Carrier Frame and Tongue

Group 05: General Information

Tongue Description

Carrier Frame Description

Group 10: Diagnosing Malfunctions

Diagnosing Malfunctions

Group 15: Carrier Frame

Adjust Carrier Frame Height

Group 20: Tongue

Specifications

Other Material

Remove And Install Swivel Hitch

Repair Two-Point Hitch

Repair Drawbar Hitch

Remove Tongue

Install Tongue

Repair Tongue Assembly

Section 70: Hydraulics

Group 05: General Information

Hydraulic Cylinder Repair

Hydraulic Lift Cylinders Operation

Swing Cylinder Operation

Optional Hydraulic Tilt Cylinder Operation

Group 10: Diagnosing Malfunctions

Diagnose Lift Cylinder Malfunctions

Diagnose Swing Cylinder Malfunctions

Diagnose Tilt Cylinder (Top Link) Malfunctions

Group 15: Lift Cylinders

Service Parts Kits

Specifications

Remove and Install Lift Cylinder

Disassemble and Inspect Lift Cylinder

Assemble Lift Cylinder

Lift Cylinder Hose Routing

Install One-Way Orifice

Bleed Platform Lift Circuit

Rephasing Lift Cylinders

Group 20: Swing Cylinder

Service Parts Kits

Specifications

Remove and Install Swing Cylinder

Disassemble Swing Cylinder—Standard

Assemble Swing Cylinder—Standard

Swing Cylinder—Endwise Transport (Cross Section)

Swing Cylinder Hose Routing

Group 25: Tilt Cylinder (Top Link)

Service Parts Kits

Specifications

Remove and Install Tilt Cylinder (Top Link)

Disassemble Tilt Cylinder (Top Link)

Assemble Tilt Cylinder (Top Link)

Tilt Cylinder (Top Link) Hose Routing

Section 80: Miscellaneous

Group 05: Wheels and Wheel Support Assembly

Specifications

Remove and Install Wheel—Mower-Conditioner

Remove and Install Wheel—Transport (If Equipped)

Pack or Replace Wheel Bearings—Mower-Conditioner

Pack or Replace Wheel Bearings—Transport (If Equipped)

Repair Wheel Support

Group 10: Electrical Repair

Service Equipment and Tools

Tail/Warning Light Wiring Harness Diagram—Power Supply

Tail/Warning Light Wiring Harness Diagram —Main

Endwise Transport Tail/Turn Light Wiring Harness Diagram (If Equipped)

Section 99: Dealer Fabricated Tools

Group 05: Dealer Fabricated Tools

DFEX1824A Backlash Measuring Strap