Complete service repair manual for John Deere Motor Graders 670B, 672B, 770B, 770BH, 772B, 772BH, with technical information to maintain, repair, and service like professional mechanics.

John Deere Motor Graders 670B, 672B, 770B, 770BH, 772B, 772BH workshop Repair 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.
* 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.

TM1453 - John Deere Motor Graders 670B, 672B, 770B, 770BH, 772B, 772BH Technical Manual - Repair.PDF
TM1453 - John Deere Motor Graders 670B, 672B, 770B, 770BH, 772B, 772BH Technical Manual - Repair.EPUB

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Total Pages: 1,191 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English

MAIN SECTIONS
 Foreword
   General Information
      Safety
      General Specifications
      Torque Values
      Fuels And Lubrication
   Wheels
      Powered Wheels And Fastenings
   Axles And Suspension Systems
      Non-Powered Wheel Axles
      Axle Shafts, Bearings, And Reduction Gears
      Hydraulic System
   Transmission
      Removal And Installation
      Controls Linkage
      Gears, Shafts, Bearings, And Power Shift Clutch
      Hydraulic System
   Engine
      Removal And Installation
   Engine Auxiliary System
      Cold Weather Starting Aids
      Cooling System
      Speed Controls
      Intake System
      External Fuel Supply Systems
   Dampener Drive
      Elements
   Transfer Drive
      Removal And Installation
      Gears, Shafts, And Bearings
   Steering System
      Power Steering
      Hydraulic System
   Service Brakes
      Active Elements
      Controls Linkage
      Hydraulic System
   Park Brake
      Active Elements
      Controls Linkage
   Electrical System
      Batteries, Support And Cables
      Alternator, Regulator And Charging System Wiring
      Lighting System
      Wiring Harness And Switches
      System Controls
      Motors And Actuators
   Frame, Chassis Or Supporting Structure
      Frame Installation
   Operator’s Station
      Removal And Installation
      Operator Enclosure
      Seat And Seat Belt
      Heating And Air Conditioning
   Main Hydraulic System
      Hydraulic System
   Grading Device
      Controls Linkage
      Frames
      Circle Gearbox
      Hydraulic System
   Ground Conditioning Tool
      Frames
      Hydraulic System
   Dealer Fabricated Tools

tm1453 - 670B, 672B 770B, 770BH 772B, 772BH Motor Graders

Table of Contents

Foreword

Section I: General Information

Group I: Safety

Handle Fluids Safely—Avoid Fires

Prevent Battery Explosions

Prepare for Emergencies

Prevent Acid Burns

Handle Chemical Products Safely

Avoid High-Pressure Fluids

Park Machine Safely

Support Machine Properly

Wear Protective Clothing

Work in Clean Area

Service Machines Safely

Work In Ventilated Area

Illuminate Work Area Safely

Replace Safety Signs

Use Proper Lifting Equipment

Remove Paint Before Welding or Heating

Avoid Heating Near Pressurized Fluid Lines

Keep ROPS Installed Properly

Service Tires Safely

Avoid Harmful Asbestos Dust

Practice Safe Maintenance

Use Proper Tools

Decommissioning — Proper Recycling and Disposal of Fluids and Components

Live With Safety

Group II : General Specifications

670B And 672B Specifications

770B, 770BH, And 772BH Specifications

Group III : Torque Values

Hardware Torque Specifications

Metric Bolt and Screw Torque Values

Additional Metric Cap Screw Torque Values

Unified Inch Bolt and Screw Torque Values

Check Oil Lines And Fittings

Service Recommendations for O-Ring Boss Fittings

Service Recommendations For Flat Face O-Ring Seal Fittings

Service Recommendations for Metric Series Four Bolt Flange Fitting

Service Recommendations For Inch Series Four Bolt Flange Fittings

Group IV : Fuels And Lubrication

Fuel Specifications

Low Sulfur Diesel Fuel Conditioner

Storing Fuel

Do Not Use Galvanized Containers

Fuel Tank

Circle Drive Gearbox Oil

Transmission, Hydraulic System, Tandem Drive, And Wheel Motor Oil

Circle Drive Gearbox Oil

Grease

Alternative and Synthetic Lubricants

Lubricant Storage

Mixing of Lubricants

Diesel Engine Coolant (engine with wet sleeve cylinder liners)

Section 01: Wheels

Group 0110: Powered Wheels And Fastenings

Specifications

Remove And Install Rim Assembly

Remove Tire

Install Tire

Section 02: Axles And Suspension Systems

Group 0230: Non-Powered Wheel Axles

Specifications

Remove And Install Front Wheel

Disassemble And Assemble Front Wheel Hub

Remove And Install Front Axle Assembly

Group 0250: Axle Shafts, Bearings, And Reduction Gears

Service Equipment And Tools

Other Material

Specifications

Identification Of Standard Speed Or High Speed Hydraulic Front Wheel Drive

Cross Section View Of Final Drive

Remove And Install Tandem And Axle Assembly

Remove And Install Wheel Axle Housing Assembly

Remove And Install Final Drive And Tandem Assembly

Disassemble And Assemble Pivot Housing

Disassemble And Assemble Final Drive

Cross Section Of HFWD Motor And Planetary Drive

Remove Planetarys

Disassemble And Inspect First Planet Pinion Carrier Assembly

Assemble First Planet Pinion Carrier Assembly

Disassemble And Inspect Second Planet Pinion Carrier Assembly

Assemble Second Planet Pinion Carrier Assembly

Disassemble And Inspect Brake Backing Plate Assembly

Assemble Brake Backing Plate Assembly

Disassemble And Inspect Planet Brake Piston Housing

Assemble Planet Brake Piston Housing

Disassemble And Inspect Wheel Hub

Assemble And Adjust Wheel Bearings

Final Assembly Of Planetarys

Remove And Install Drive Chain

Disassemble And Assemble Axle

Group 0260: Hydraulic System

Essential Tools

Service Equipment And Tools

Other Material

Specifications

Identification Of Standard Speed Or High Speed Hydraulic Front Wheel Drive

Remove And Install HFWD Pump Charge Check Valves

Disassemble And Assemble HFWD Pump Pressure Limiter Valves (High Speed Only)

Remove And Install Pump Shaft Seal

Disassemble And Assemble Displacement Control Valve

Disassemble And Assemble HFWD Charge Pump—Standard Speed—Early Units

Disassemble And Assemble HFWD Charge Pump—Standard Speed—Later Units

Disassemble And Assemble HFWD Charge Pump—High Speed

Disassemble HFWD Pump—Standard Speed

Inspect HFWD Pump—Standard Speed

Assemble HFWD Pump—Standard Speed

Disassemble HFWD Pump—High Speed

Assemble HFWD Pump—High Speed

Disassemble And Assemble HFWD Pump Case Relief Valve

Remove And Install HFWD Charge Circuit Check Valve

Disassemble And Assemble High Pressure And Charge Relief Manifold

Remove And Install Transmission Lube Line Check Valve

Disassemble And Assemble Solenoid Valve

Disassemble And Assemble HFWD Return Filter

Cross Section Of HFWD Motor And Planetary Drive

Disassemble Wheel Motor

Inspect Wheel Motor Parts

Assemble Wheel Motor

Adjust Motor Shaft End Play

Disassemble And Assemble HFWD Wheel Case Relief Valve

Disassemble And Assemble Differential Lock Valve

Section 03: Transmission

Group 0300: Removal And Installation

Service Equipment And Tools

Specifications

Remove And Install Transmission—670B, 672B

Remove And Install Transmission—770B, 772B

Group 0315: Controls Linkage

Other Material

Specifications

Disassemble And Assemble Clutch Pedal And Linkage

Adjust Clutch Valve Linkage

Disassemble And Assemble Transmission Control Lever Housing And Shift Control Cable

Disassemble And Assemble Transmission Gear Shift Lever And Linkage

Remove, Install And Adjust Direction Control Cable

Remove, Install And Adjust Gear Selector Control Cable

Check Shift Control Adjustment

Group 0350: Gears, Shafts, Bearings, And Power Shift Clutch

Essential Tools

Service Equipment And Tools

Other Material

Specifications

Remove And Install Differential Lock And Saddle Lock Pin Solenoid Manifold (SN 538883—)

Remove Differential—670B, 672B

Inspect And Remove Gear From Housing—670B, 672B

Assemble Ring Gear To Housing—670B, 672B

Disassemble Differential Housing—670B, 672B

Assemble Differential Housing—670B, 672B

Adjust Differential Bearing Preload—670B, 672B

Adjust Backlash—670B, 672B

Final Assembly Of Differential Housing—670B, 672B

Remove And Disassemble Differential Drive Shaft Components—670B, 672B

Adjust Cone Point—670B, 672B

Example For Finding Cone Point Shim Pack—670B, 672B

Assemble Drive Shaft Components And Check Rolling Drag Torque—670B, 672B

Final Assembly Of Differential Drive Shaft—670B, 672B

Remove Clutch Housing—670B, 672B

Disassemble And Assemble HI-LO Clutch Range Shaft—670B, 672B

Install Clutch Housing—670B, 672B

Remove Clutch Pack—670B, 672B

Disassemble Oil Manifold And C1 And C2 Clutch Pack Assembly—670B, 672B

Assemble C1 And C2 Clutch Pack Assembly And Oil Manifold—670B, 672B

Install Clutch Pack—670B, 672B

Remove Planetary Pack—670B, 672B

Disassemble Planetary Pack—670B, 672B

Assemble Planetary Pack—670B, 672B

Disassemble Reduction Gear Shaft—670B, 672B

Assemble Reduction Gear Shaft—670B, 672B

Disassemble Reduction Gear Shaft Bearing Retainer—670B, 672B

Assemble Reduction Gear Shaft Bearing Retainer—670B, 672B

Adjust Reduction Gear Shaft Preload—670B, 672B

Install Planetary Pack—670B, 672B

Remove Tow Disconnect—670B, 672B

Install And Adjust Tow Disconnect—670B, 672B

Remove Differential—770B, 772B

Remove And Install Ring Gear—770B, 772B

Disassemble And Assemble Differential—770B, 772B

Differential Specifications—770B, 772B

Final Test And Adjustment—770B, 772B

Install Differential—770B, 772B

Adjust Differential Bearing Preload—770B, 772B

Adjust Differential Backlash—770B, 772B

Final Assembly Of Differential—770B, 772B

Disassemble Differential Drive Shaft—770B, 772B

Differential Drive Shaft Specifications—770B, 772B

Adjust Cone Point—770B, 772B

Assemble Differential Drive Shaft—770B, 772B

End Play Measurement—Differential Drive Shaft—770B, 772B

Check Rolling Drag Torque—770B, 772B

Remove And Install Clutch Housing—770B, 772B

Remove Clutch Pack—770B, 772B

Disassemble Clutch Pack And Oil Manifold—770B, 772B

Assemble Oil Manifold And Clutch Pack—770B, 772B

HI-LO Clutch And Oil Manifold Assembly Air Test—770B, 772B

Install Clutch Pack—770B, 772B

Remove Planetary Pack—770B,772B

Disassemble Planetary Pack—770B, 772B

Disassemble And Assemble C3 Clutch—770B, 772B

Disassemble Planetary Carrier—770B, 772B

Assemble Planetary Carrier—770B, 772B

Assemble Planetary Pack—770B, 772B

Planetary Pack Air Test—770B, 772B

Install Planetary Pack—770B, 772B

Disassemble And Assemble Planetary And Clutch Support With HI-LO Shaft—770B, 772B

Planetary And Clutch Support With HI-LO Shaft Specifications—770B, 772B

Remove Reduction Gear Shaft—770B, 772B

Exploded View—Reduction Gear Shaft—770B, 772B

Reduction Gear Shaft Specifications—770B, 772B

Adjust Reduction Gear Shaft Preload—770B, 772B

Install Reduction Gear Shaft—770B, 772B

Disassemble And Assemble Tow Disconnect—770B, 772B

Adjust Tow Disconnect—770B, 772B

Group 0360: Hydraulic System

Specifications

Remove Transmission—Hydraulic System Filters—670B, 672B

Disconnect And Inspect Filter Covers—670B, 672B

Assemble Filter Covers—670B, 672B

Install Filters And Covers—670B, 672B

Remove Filter Bypass Valve Housing—670B, 672B

Disassemble And Inspect Filter Bypass Valve Housing—670B, 672B

Assemble And Install Filter Bypass Valve Housing—670B, 672B

Disassemble Transmission Suction Filter—670B, 672B

Assemble Transmission Suction Filter—670B, 672B

Remove Transmission Control Valve Assembly—670B, 672B

Disassemble Shift Valve—670B, 672B

Disassemble Control Valve Cover And Valves—670B, 672B

Disassemble Interrupter Valve—670B, 672B

Disassemble B1-B2 And B3-B4-C3 Accumulators—670B, 672B

Assemble B1-B2 And B3-B4-C3 Accumulators—670B, 672B

Assemble Interrupter Valve—670B, 672B

Assemble Control Valve Cover And Valves—670B, 672B

Assemble Shift Valve—670B, 672B

Install Transmission Control Valve Assembly—670B, 672B

Remove Transmission Clutch And Pressure Regulating Valve Housing—670B, 672B

Disassemble And Assemble C1-C2 Modulator Valve—670B, 672B

Disassemble Transmission Clutch Valve—670B, 672B

Assemble Transmission Clutch Valve—670B, 672B

Disassemble And Assemble Pressure Regulating Valve—670B, 672B

Install Clutch Valve Housing And Pressure Regulating Valve Housing—670B, 672B

Remove And Install Transmission Oil Filter—770B, 772B

Remove And Install Transmission Control Valve Assembly—770B, 772B

Disassemble And Assemble Transmission Control Valve—770B, 772B

Disassemble And Assemble Shift Valve—770B, 772B

Disassemble And Assemble Interrupter Valve—770B, 772B

Disassemble And Assemble Control Valve Cover—770B, 772B

Remove And Install Transmission Clutch, Pressure Regulating Valve And C1—C2 Modulator Housing—770B, 772B

Disassemble And Assemble Transmission Clutch Valve—770B, 772B

Disassemble And Assemble Pressure Regulating Valve—770B, 772B

Disassemble And Assemble C1—C2 Modulator Valve—770B, 772B

Disassemble Transmission Transfer Pump—770B, 772B

Assemble Transmission Transfer Pump—770B, 772B

Disassemble Transmission Suction Filter—770B, 772B

Assemble Transmission Suction Filter—770B, 772B

Disassemble And Assemble Transmission Charge Pump—770B, 772B

Remove And Install C1—C2 Accumulator—770B, 772B

Section 04: Engine

Group 0400: Removal And Installation

6414 John Deere Engine Repair—Use CTM4

6068 John Deere Engine Repair—Use CTM8

John Deere 6466 Engine Repair—Use CTM1

Essential Tools

Service Equipment And Tools

Other Material

Specifications

Remove And Install Engine—670B, 672B

Remove And Install Oil Pan—670B, 672B

Remove Fuel Injection Pump (Engine Serial No. —299999)—670B, 672B

Install Fuel Injection Pump (Engine Serial No. —299999)—670B, 672B

Remove Fuel Injection Pump (Engine Serial No. 300000—)—670B, 672B

Install Fuel Injection Pump (Engine Serial No. 300000—)—670B, 672B

Remove And Install Fuel Injection Nozzles—670B, 672B

Bleed Fuel System

Remove Turbocharger—670B, 672B

Install Turbocharger—670B, 672B

Remove And Install Water Pump—670B, 672B

Remove And Install Engine—770B, 772B

Remove And Install Oil Pan—770B, 772B (6466AT-12) Or (6466TT-07) Engine (SN298092—358607)

Remove Fuel Injection Pump—770B, 772B

Install Fuel Injection Pump—770B, 772B

Remove And Install Fuel Filter Check Valve Assembly—770B, 772B

Remove Fuel Injection Nozzles—770B, 772B

Inspect And Clean Cylinder Head Nozzle Bore—770B, 772B

Inspect And Clean Nozzle Seating Surface—770B, 772B

Install Fuel Injection Nozzles—770B, 772B

Bleed Fuel System—770B, 772B

Remove Turbocharger—770B, 772B

Install Turbocharger—770B, 772B

Remove And Install Water Pump—770B, 772B

Remove And Install Fan Drive—770B, 772B

Section 05: Engine Auxiliary System

Group 0505: Cold Weather Starting Aids

Specifications

Remove And Install Starting Aid Solenoid And Nozzle

Remove And Install Engine Coolant Heater

Group 0510: Cooling System

Other Material

Specifications

Remove And Install Fan

Remove And Install Radiator (SN—543489)

Remove And Install Radiator—770B, 772B (SN 529942—543489)

Remove And Install Radiator—770B, 770BH, 772BH (SN 543490—)

Group 0515: Speed Controls

Other Material

Specifications

Service Equipment And Tools

Remove And Install Speed Control Assembly—All Machines Except 770BH, 772BH (SN 543490—)

Adjust Speed Control Linkage 670B, 672B And 770BH, 772BH (SN —543489)

Remove And Install Speed Control Linkage—770BH, 772BH (SN 543490—545245)

Adjust Speed Control Linkage—770BH, 772BH (S.N. 543490—545245)

Engine Speed Linkage Adjustment 770BH And 772BH (S.N. 545246—)

Fuel Shut-Off Cable Adjustment—770B, 772B—(SN —543489)

Group 0520: Intake System

Remove And Install Air Cleaner

Group 0560: External Fuel Supply Systems

Remove And Install Fuel Tank

Section 07: Dampener Drive

Group 0752: Elements

Essential Tools

Other Material

Specifications

Remove And Install Dampener—670B, 672B—Early Machines

Remove And Install Dampener—770B, 772B And 670B, 672B (Later Machines)

Section 08: Transfer Drive

Group 0800: Removal And Installation

Service Equipment And Tools

Remove And Install Transfer Drive

Group 0851: Gears, Shafts, And Bearings

Specifications

Other Material

Service Equipment And Tools

Transfer Drive—670B, 672B

Transfer Drive—770B, 772B

Disassemble And Assemble Input Gear Assembly

Disassemble And Assemble Upper And Lower Idler Assemblies

Adjust Idler Gear End Play

Disassemble And Assemble Output Gear Assembly

Disassemble And Assemble Charge Pump Drive

Section 09: Steering System

Group 0920: Power Steering

Specifications

Remove And Install Bell Crank Assembly

Check And Adjust Toe-In

Group 0960: Hydraulic System

Essential Tools

Service Equipment And Tools

Other Material

Specifications

Disassemble Steering Valve

Assemble Steering Valve

Remove And Install Steering Wheel, Column, And Valve

Remove And Install Counterbalance Valve—670B, 672B (SN 519126—) Or 770B, 772B (SN 519172—)

Disassemble Front Steer Cylinder—670B, 672B (SN—533162) Or 770B, 772B (SN—533125)

Assemble Front Steer Cylinder—670B, 672B (SN—533162) Or 770B, 772B (SN—533125)

Disassemble Front Steering Cylinder—770B, 772B (SN 533126—) And Rear Steering Cylinder—670B, 672B Or 770B, 772B (SN 525022—)

Cross Section Of Front Steering Cylinder—770B, 772B (SN 533126—) And Rear Steering Cylinder—670B, 672B Or 770B, 772B (SN 525022—)

Assemble Front Steering Cylinder—770B, 772B (SN 533126—) And Rear Steering Cylinder—670B, 672B Or 770B, 772B (SN 525022—)

Disassemble Rear Steer Cylinder—770B, 772B (Serial No. —525021) Or Wheel Lean Cylinder

Assemble Rear Steer Cylinder—770B, 772B (Serial No. —525021) Or Wheel Lean Cylinder

Section 10: Service Brakes

Group 1011: Active Elements

Disassemble And Assemble Brake Elements

Group 1015: Controls Linkage

Other Material

Disassemble And Assemble Brake Pedal (SN—543489)

Group 1060: Hydraulic System

Essential Tools

Specifications

Disassemble And Assemble Brake Valve (SN—543489)

Remove And Install Brake Valve (SN 543490—)

Disassemble And Assemble Brake Valve (SN 543490—)

Bleed Brake Hydraulic System

Remove And Install Brake Accumulator

Disassemble And Assemble Brake Accumulator—670B, 672B (SN—512865) And 770B, 772B (SN—513133)

Charge Brake Accumulator (SN—543849)

Disassemble And Assemble Brake Accumulator—670B, 672B (SN 512866—543489) And 770B, 772B (SN 513134—543489)

Charge Brake Accumulator (SN 543490—)

Disassemble And Assemble Brake Accumulator (SN 543490—)

Section 11: Park Brake

Group 1111: Active Elements

Specifications

Disassemble And Assemble Park Brake

Disassemble And Assemble Brake Caliper

Group 1115: Controls Linkage

Other Material

Specifications

Disassemble And Assemble Park Brake Linkage

Park Brake Adjustment

Section 16: Electrical System

Group 1671: Batteries, Support And Cables

Other Material

Specifications

Handle Batteries Safely

Procedure For Testing Batteries

Check Battery Electrolyte Level And Terminals

Using Booster Batteries—24 Volt System

Charge Battery

Remove And Install Batteries

Adding 12-Volt Accessories

Group 1672: Alternator, Regulator And Charging System Wiring

John Deere Engine Accessories—Motorola Alternator Repair—Use CTM77

John Deere Engine Accessories—Delco-REMY Alternator Repair—Use CTM77

Service Equipment And Tools

Other Material

Specifications

Remove And Install Alternator

Disassemble Alternator And Test Components—Bosch

Assemble Alternator—Bosch

Group 1673: Lighting System

Specifications

Replace Halogen Bulbs

Remove And Install Halogen Lights

Group 1674: Wiring Harness And Switches

Special Or Essential Tools

Replace Fuses

Remove And Install Rear Steering Sensor

Adjust Rear Steering Sensor

Locking Pin Switch Adjustment

Park Brake Switch (Primary Warning Level) Adjustment

Park Brake Switch (Indicator Light) Adjustment

Service Brake Switch Adjustment (SN—543489)

Remove And Install Fuel Injection Pump Electrical Components (SN 543490—)

Remove And Install Engine Controller Harness Components (SN 543490—)

Remove And Install 24V/12V 5A Converter Harness Components (SN 543490—)

Adjust Foot Throttle Potentiometer (SN 543490—)

Replace DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Connectors

Install DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Contact

Replace WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Connector

Install WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Contact

Remove Connector Body from Blade Terminals

Remove Blade Terminals From Fuse Block

Group 1675: System Controls

Specifications

Remove And Install HFWD Front Sensor

Remove And Install HFWD Rear Sensor

Remove And Install HFWD Control Box

HFWD Control Box Calibration—Using HFWD Tester

HFWD Control Box Calibration—Without HFWD Tester

Group 1677: Motors And Actuators

John Deere Engine Accessories—Starter Repair—Use CTM77

Service Equipment And Tools

Specifications

Remove And Install Starter

Section 17: Frame, Chassis Or Supporting Structure

Group 1740: Frame Installation

Specifications

Welding On Machine

Welding Repair Of Major Structure

Separate Engine And Equipment Frame

Section 18: Operator’s Station

Group 1800: Removal And Installation

Service Equipment And Tools

Specifications

Remove And Install Cab Or Canopy And Platform

Group 1810: Operator Enclosure

Other Material

Specifications

Remove And Install Windowpanes

Remove And Install Cab Doors

Remove And Install Door Latch

Remove And Install Inside Assist Handle—Left Door

Remove And Install Windshield Washer

Remove And Install Front Windshield Wiper

Adjust Front Windshield Wiper

Remove And Install Rear Wiper

Group 1821: Seat And Seat Belt

Disassemble And Assemble Seat Belt For Suspension Seat

Disassemble And Assemble Seat Belt For Non-Suspension Seat

Disassemble And Assemble Suspension Seat

Group 1830: Heating And Air Conditioning

Special Or Essential Tools

Service Equipment And Tools

Other Material

Service Parts Kits For Compressor

Specifications

Proper Refrigerant Handling

R12 And R134A Refrigerant Cautions

R12 Component Oil Charge

R12 Refrigerant Recovery, Recycling Station Installation Procedure

R12 Refrigerant Evacuation And Charging Station Installation Procedure

Recover R12 System

Evacuate R12 System

Charge R12 System

R134A Compressor Oil Information

R134A Compressor Oil Charge Check

R134A Compressor Oil Removal

R134A Component Oil Change

R134A Refrigerant Recovery/Recycling And Charging Station Installation Procedures

R134A Refrigerant Recovery

Evacuate R134A System

Charge R134A System

Check And Adjust Compressor Belt Tension

Leak Testing

Refrigerant Hoses And Tubing Inspection

Remove And Install Compressor And High Pressure Switch

Volumetric Efficiency Test—R12

Make Shaft Seal Leak Test

Disassemble And Inspect Compressor

Clutch Pulley, Bearing And Hub Inspection

Replacing Clutch Pulley Bearing

Replace Shaft Seal Seat

Assemble Compressor

Remove And Install Condenser (SN—543489)

Remove And Install Condenser And Hydraulic Oil Cooler (SN 543490—)

Remove And Install Evaporator And Expansion Valve

Expansion Valve Bench Test And Adjustment

Remove And Install Receiver/Dryer And Low Pressure Switch—R12

Remove And Install Air Conditioning Switches And Resistor (SN—543489)

Remove And Install Air Conditioning Switches And Resistor (SN 543490—)

Thermostat Switch Bench Test

Disassemble And Assemble Blower Motor

Remove And Install 19,000 BTU Header—(Serial No. —513954)

Remove And Install 20,000 BTU Header—(Serial No. 513955—)

Remove And Install 40,000 BTU Heater 670B, 672B (Serial No.—520371) 770B, 772B (Serial No.—520410)

Remove And Install 20,000 BTU Heater (SN 543490—)

Remove And Install Heater Hoses And Controls—670B, 672B

Remove And Install Cab Heater Hoses And Controls—770B, 772B

Remove And Install Cab Roof Heater

Remove And Install Cab Roof Heater Hoses—670B, 672B

Remove And Install Cab Roof Heater Hoses—770B, 772B

Section 21: Main Hydraulic System

Group 2160: Hydraulic System

John Deere Radial Piston Pump—Use CTM7

Other Material

Specifications

Remove And Install 65 CM3 (4 Cu In.) Or 100 CM3 (6 Cu In.) Hydraulic Pump And Drive Shaft

Remove And Install Flow Divider

Disassemble And Assemble Flow Divider

Remove And Install Hydraulic Oil Cooler And Condenser (SN 543490— )

Section 34: Grading Device

Group 3415: Controls Linkage

Service Equipment And Tools

Specifications

Remove And Install Steering Support And Console

Change Two Hand Blade Lift Pattern To One Hand Blade Lift Pattern

Remove And Install Steering Tilt Assembly

Remove And Install Console Tilt Linkage

Group 3440: Frames

Other Material

Specifications

Remove And Install Lift Arms, Saddle Frame And Locking Pin Bracket

Disassemble And Assemble Locking Pin

Remove And Install Draft, Circle, And Blade Tilt Frame—(Serial No.—530593)

Measure Circle Clearance—(Serial No. —530593)

Adjust Circle Clearance—(Serial No. —530593)

Replace Circle Teeth—(SN—530593)

Remove And Install Draft, Circle, And Blade Tilt Frame—(Serial No. 530594—)

Measure Circle Frame Clearance—(Serial No. 530594—)

Adjust Circle Frame Clearance—(SN 530594—)

Measure And Adjust Blade Side Shift Clearance—(Serial No. 530594— )

Group 3450: Circle Gearbox

Other Material

Disassemble And Assemble Circle Gearbox (S.N. —548182)

Disassemble And Assemble Circle Gearbox (S.N. 548183—)

Group 3460: Hydraulic System

Service Equipment And Tools

Other Material

Specifications

Remove And Install Grader Control Valve

Disassemble And Assemble Grader Control Valve

Disassemble And Assemble Blade Lift Or Scarifier Valve Section

Disassemble And Assemble Wheel Lean, Rear Steer, Circle Side Shift, Blade Tilt, Or Blade Side Shift Valve Section

Disassemble And Assemble Circle Rotate Valve Section

Disassemble And Inspect Return Check Poppets

Disassemble And Assemble Pressure Control Valve

Disassemble And Assemble Rotate Motor—670B, 672B

Disassemble Rotate Motor—770B, 772B

Assemble Rotate Motor—770B, 772B

Disassemble And Assemble Rotary Manifold

Remove And Install Differential Lock And Saddle Lock Pin Solenoid Manifold (SN538883—)

Disassemble And Assemble Saddle Locking Pin Solenoid Valve (SN—538882)

Disassemble And Assemble Crossover Relief Valve—(Serial No. —513208)

Disassemble And Assemble Crossover Relief Valve—(Serial No. 513209— )

Remove And Install Counterbalance Valve—670B, 672B (SN519126—) Or 770B, 772B (SN519172—)

Remove And Install Blade Lift, Blade Tilt And Circle Side Shift Cylinders

Disassemble Blade Lift, Tilt, Or Circle Sideshift Cylinder—Early Machines

Assemble Blade Lift, Blade Tilt, Or Circle Sideshift Cylinder—Early Machines

Remove And Install Blade Sideshift Cylinder

Disassemble Blade Sideshift Cylinder—Early Machines

Assemble Blade Sideshift Cylinder—Early Machines

Disassemble Blade Lift, Tilt, Sideshift, Or Circle Sideshift Cylinder—Later Machines

Assemble Blade Lift, Tilt, Sideshift, Or Circle Sideshift Cylinder—Later Machines

Section 42: Ground Conditioning Tool

Group 4240: Frames

Remove And Install Scarifier

Remove And Install Ripper

Group 4260: Hydraulic System

Service Equipment And Tools

Other Material

Specifications

Disassemble And Assemble Rear Mounted Ripper Valve

Disassemble Ripper And Scarifier Cylinders

Assemble Ripper And Scarifier Cylinders

Section 99: Dealer Fabricated Tools

Group 9900: Dealer Fabricated Tools

DF1015 Tandem Lifting Tool

DF1016 Engine Support Bracket

DF1017 Axle Lift Eye

JT38000 Differential Lifting Tool

JT38031 Driver

JT38058 Spacer Plates

Hydraulic Jack Backing Tool

Differential Drive Shaft Holding Tool

John Deere Motor Graders/HFWD 670B, 672B, 770B, 770BH, 772B, 772BH Service Repair Manual (TM1453)