John Deere 670A 672A Repair Manual [Motor Grader]

Factory Service Repair Manual TM-1188 For John Deere 670A 672A . Step by step Instructions, illustrations, diagrams.
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Models

JD670-A AND JD672-A MOTOR GRADERS

Contents

GENERAL INFORMATION
Contents (not used)
Introduction and Safety Information
General Specifications
Predelivery, Delivery and After-Sales Services
Lubrication
WHEELS
Powered Wheels and Fastenings
Non-Powered Wheels and Fastenings
Specifications and Special Tools
AXLES AND SUSPENSION SYSTEMS
Drive Axle Housing and Support
Differential or Bevel Drive
Axle Shafts, Bearing and Reduction Gears
Hydraulic System
Specifications and Special Tools
TRANSMISSION
Controls
Housings and Covers
Gears, Shafts, Bearings and Power Shift Clutch
Hydraulic System
Clutch Disconnect and Controls
Specifications and Special Tools
ENGINE
Removal and Installation
Starting Motor and Fastenings
Specifications and Special Tools
ENGINE AUXILIARY SYSTEMS
Cold Weather Starting Aids
Cooling Systems
Speed Controls
Intake System
Mounting Frame
External Fuel Supply Systems
Specifications and Special Tools
TRANSFER DRIVE
Housings and Covers
Gears, Shafts, Bearings
Specifications and Special Tools
STEERING SYSTEM
Power Steering
Hydraulic System
Specifications and Special Tools
SERVICE BRAKES
Active Elements
Controls Linkage
Hydraulic System
Specifications and Special Tools
PARKING-EMERGENCY BRAKES
Active Elements
Controls Linkage
Specifications and Special Tools
EQUIPMENT ATTACHING
Drawbar
Specifications and Special Tools
ELECTRICAL SYSTEMS
Batteries, Support and Cables
Alternator, Regulator and Charging System Wiring
Lighting System
Wiring Harness and Switches
System Controls
Instruments and Indicators
Specifications and Special Tools
FRAME, CHASSIS OR SUPPORTING STRUCTURE
Frame Installation
Frame Bottom Guards
Bumpers, Vehicle
Specifications and Special Tools
OPERATOR’S STATION
Operator Enclosure
Seat and Seat Belt
Steps and Handholds
Heating and Air Conditioning
Specifications and Special Tools
SHEET METAL AND STYLING
Litho in U.S.A.
Hood or Engine Enclosure
Miscellaneous Shields
Grille and Grille Housing
SAFETY, CONVENIENCE AND MISCELLANEOUS
Mirror
Fire Extinguisher
Horn
Cigar Lighter
MAIN HYDRAULIC SYSTEM
Hydraulic System
Specifications and Special Tools
GRADING DEVICE
Blade
Controls Linkage
Frames
Circle Gear Box
Hydraulic System
Specifications and Special Tools
GROUND CONDITIONING TOOL
Blades, Teeth, Shanks, Etc.
Controls Linkage
Frames
Hydraulic System
Specifications and Special Tools