Yanmar B7-3(US) Excavator Service Repair Manual

CHAPTER 1 GENERAL CAUTIONS FOR MAINTENANCE WORK

CHAPTER 2 TECHNICAL DATA

CHAPTER 3 SERVICE STANDARDS

CHAPTER 4 HYDRAULIC SYSTEM

CHAPTER 5 HYDRAULIC EQUIPMENT

CHAPTER 6 ADJUSTMENT AND REPAIR

CHAPTER 7 PERIODIC INSPECTION AND SERVICING

CHAPTER 9 TROUBLESHOOTING

CHAPTER 10 REFERENCE DATA

The individual assemblies of the manufacturer machine program and the functions of and adjustments to the installed units are described in this service manual. The hydraulics and electrics diagrams and sectional representations combined with the operating instructions and spare parts list should make maintenance and repair work easier.

Descriptions of work procedures and assembly steps were consciously omitted, because big repairs are generally performed by qualified and experienced workshop personnel, who are masters at this routine work.

Safety and cleanliness at the workstation is the highest priority when performing repairs. Using tools in perfect condition and generally replacing sealing components during each repair should be a matter of course.

Provided no special values are specified, screw connections are to be fastened with the usual tightening torques.