Original John Deere Dealers REPAIR Technical manual for the Model 670C, 670CH, 672CH, 770C, 770CH and 772CH Motor Graders. This is the complete 6 Repair Manual set. Issued/printed/copyright 1997/1998, it has around 650 pages. The same genuine John Deere manual your dealer used. It is divided into REPAIR sections covering: General Information, Wheels, Axles and Suspension Systems, Transmission, Engine(removal and installation only), Engine Auxiliary Systems, Dampener Drive, Steering System, Service Brakes, Park Brake, Electrical System, Frames/Chassis/Supporting Structure, Operators Station, Sheet Metal and Styling, Main Hydraulic System, Grading Device, Ground Conditioning Tool.