WORKSHOP MANUAL SECTION 1 GENERAL INFORMATION Group 1 Precautions for Disassem- bling and Assembling Group 2 Tightening Torque Group 3 Painting Group 4 Bleeding Air from Hydrau- lic Oil Tank SECTION 2 BASE MACHINE (UPPER STRUCTURE) Group 1 Cab Group 2 Counterweight Group 3 Frame Group 4 Pump Device Group 5 Control Valve Group 6 Pilot Valve Group 7 Ride Control Valve Group 8 Pilot Shutoff Valve Group 9 Hydraulic Fan Motor SECTION 3 BASE MACHINE (TRAVEL SYSTEM) Group 1 Tire Group 2 Drive Unit Group 3 Axle Group 4 Propeller Shaft Group 5 Brake Valve Group 6 Charging Block Group 7 Steering Pilot Valve Group 8 Steering Valve Group 9 Steering Cylinder Group 10 Emergency Steering Pump Unit (Optional) SECTION 4 FRONT ATTACHMENT Group 1 Front Attachment Group 2 Cylinder SECTION 5 ENGINE