John Deere 670A & 672A Motor Grader Repair Manual – PDF DOWNLOAD

SECTION I – GENERAL INFORMATION
Group I – Contents (not used)
Group II – Introduction and Safety Information
Group III – General Specifications
Group IV – Predelivery, Delivery and After-Sales
Services
Group V – Lubrication
SECTION 1 – WHEELS
Group 0110 – Powered Wheels and Fastenings
Group 0120 – Non-Powered Wheels and
Fastenings
Group 0199 – Specifications and Special Tools
SECTION 2 – AXLES AND SUSPENSION SYSTEMS
Group 0201 – Drive Axle Housing and Support
Group 0210 – Differential or Bevel Drive
Group 0250 – Axle Shafts, Bearing and
Reduction Gears
Group 0260 – Hydraulic System
Group 0299 – Specifications and Special Tools
SECTION 3 – TRANSMISSION
Group 0315 – Controls
Group 0341 – Housings and Covers
Group 0350 – Gears, Shafts, Bearings and
Power Shift Clutch
Group 0360 – Hydraulic System
Group 0370 – Clutch Disconnect and Controls
Group 0399 – Specifications and Special Tools
SECTION 4 – ENGINE
Group 0400 – Removal and Installation
Group 0422 – Starting Motor and Fastenings
Group 0499 – Specifications and Special Tools
SECTION 5 – ENGINE AUXILIARY SYSTEMS
Group 0505 – Cold Weather Starting Aids
Group 0510 – Cooling Systems
Group 0515 – Speed Controls
Group 0520 – Intake System
Group 0540 – Mounting Frame
Group 0560 – External Fuel Supply Systems
Group 0599 – Specifications and Special Tools
SECTION 8 – TRANSFER DRIVE
Group 0841 – Housings and Covers
Group 0851 – Gears, Shafts, Bearings
Group 0899 – Specifications and Special Tools
SECTION 9 – STEERING SYSTEM
Group 0920 – Power Steering
Group 0960 – Hydraulic System
Group 0999 – Specifications and Special Tools
SECTION 10 – SERVICE BRAKES
Group 1011 – Active Elements
Group 1015 – Controls Linkage
Group 1060 – Hydraulic System
Group 1099 – Specifications and Special Tools
SECTION 11 – PARKING-EMERGENCY BRAKES
Group 1111 – Active Elements
Group 1115 – Controls Linkage
Group 1199 – Specifications and Special Tools
SECTION 15 – EQUIPMENT ATTACHING
Group 1511 – Drawbar
Group 1599 – Specifications and Special Tools

SECTION 16 – ELECTRICAL SYSTEMS
Group 1671 – Batteries, Support and Cables
Group 1672 – Alternator, Regulator and
Charging System Wiring
Group 1673 – Lighting System
Group 1674 – Wiring Harness and Switches
Group 1675 – System Controls
Group 1676 – Instruments and Indicators
Group 1699 – Specifications and Special Tools
SECTION 17 – FRAME, CHASSIS OR SUPPORTING
STRUCTURE
Group 1740 – Frame Installation
Group 1746 – Frame Bottom Guards
Group 1747 – Bumpers, Vehicle
Group 1799 – Specifications and Special Tools
SECTION 18 – OPERATORS STATION
Group 1810 – Operator Enclosure
Group 1821 – Seat and Seat Belt
Group 1822 – Steps and Handholds
Group 1830 – Heating and Air Conditioning
Group 1899 – Specifications and Special Tools
SECTION 19 – SHEET METAL AND STYLING
Group 1910 – Hood or Engine Enclosure
Group 1913 – Miscellaneous Shields
Group 1921 – Grille and Grille Housing
SECTION 20 – SAFETY, CONVENIENCE AND
MISCELLANEOUS
Group 2002 – Mirror
Group 2003 _ Fire Extinguisher
Group 2004 – Horn
Group 2006 – Cigar Lighter
SECTION 21 – MAIN HYDRAULIC SYSTEM
Group 2160 – Hydraulic System
Group 2199 – Specifications and Special Tools
SECTION 34 – GRADING DEVICE
Group 3401 – Blade
Group 3415 – Controls Linkage
Group 3440 – Frames
Group 3450 – Circle Gear Box
Group 3460 – Hydraulic System
Group 3499 – Specifications and Special Tools
SECTION 42 – GROUND CONDITIONING TOOL
Group 4201 – Blades, Teeth, Shanks, Etc.
Group 4215 – Controls Linkage
Group 4240 – Frames
Group 4260 – Hydraulic System
Group 4299 – Specifications and Special Tools