John Deere 670A and 672A Motor Graders Operation and Test Manual (TM1188op)

Illustrated factory Operation and Test Manual for John Deere Motor Graders Models 670A and 672A.

This manual will assist you in diagnosing, and troubleshooting for your motor grader.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models:
   670A
   672A

Format: PDF, 363 pages
Language: English
Publication Date: 01 Dec 1987
Table of Contents:
   Introduction
   General Information
      General Specifications
      Lubrication
   System Testing
      General Information-Seven Basic Steps of Diagnosis and Testing
      Engine
         General Information
         Diagnosing Malfunctions
         Visual Inspection
         Testing and Adjustment
      Electrical System
         General Information
      Hydraulic Front Wheel Drive
         General Information
         Component Location
         Component General Information
         System Operation
         Pre-Test Information
         HFWD Start Up Procedure
         Test Equipment and Test Procedures
         Test Procedure I
         Test Procedure II
         Test Procedure III
         Test Procedure IV
      Power Train
         General Information
         Component Location
         Power Train Block Diagram.
         General Information
         Power Flows
         Diagnosing Malfunctions
         Visual Inspection
         Testing and Adjustment
      Hydraulic System (Flow Meter)
         Component Location
         Hydraulic Schematic
         General Information.
         Diagnosing Malfunctions
         Visual Inspection
         Testing and Adjustment
      Hydraulic System (Analyzer)
         General Information
         Pretest Inspection and Operational Checks
         Pretest Check Sheet
         Symptom Index
         Testing and Adjustment
         List of Parts for Tests
      Miscellaneous Components
         Adjustment
      Heating and Air Conditioning
         Heating System
         Air Conditioning System
      Specifications and Special Tools
         Engine
         Electrical System
         Hydraulic Front Wheel Drive
         Power Train
         Hydraulic System (Flow Meter)
         Hydraulic System (Analyzer)
         Miscellaneous Components
         Heating and Air Conditioning