SECTION 4 OPERATIONAL PER- SECTION AND GROUP CONTENTS FORMANCE TEST Group 1 Introduction Group 2 Standard Group 3 Engine Test Group 4 Excavator Test Group 5 Component Test TECHNICAL MANUAL Group 6 Adjustment (Troubleshooting) SECTION 5 TROUBLESHOOTING Group 1 Diagnosing Procedure Group 2 Monitor Unit Group 3 e-Shovel Group 4 Component Layout Group 5 Troubleshooting A Group 6 Troubleshooting B Group 7 Electrical System Inspection TECHNICAL MANUAL (Operational Principle) SECTION 1 GENERAL SECTION 3 COMPONENT OPERATION Group 1 Specifications Group 2 Component Layout Group 3 Component Specifications SECTION 2 SYSTEM Group 1 Pump Device Group 2 Swing Device Group 3 Control Valve Group 4 Pilot Valve Group 5 Travel Device Group 6 Signal Control Valve Group 7 Others (Upperstructure) Group 8 Others (Undercarriage) Group 1 Controller Group 2 Control System Group 3 ECM System Group 4 Hydraulic System Group 5 Electrical System All information, illustrations and speci- fications in this manual are based on the latest product information available at the time of publication.
The right is reserved to make changes at any time without notice. WORKSHOP MANUAL SECTION 1 GENERAL INFORMA- TION Group 1 Precautions for Disassem- bling and Assembling Group 2 Tightening Torque Group 3 Painting Group 4 Bleeding Air from Hydraulic Oil Tank SECTION 2 UPPERSTRUCTURE Group 10 4-Spool Solenoid Valve Unit Group 11 Engine SECTION 3 UNDERCARRIAGE Group 1 Swing Bearing Group 2 Travel Device Group 3 Center Joint Group 4 Track Adjuster Group 5 Front Idler Group 6 Upper and Lower Roller Group 7 Track SECTION 4 FRONT ATTACHMENT COPYRIGHT(C)2007 Hitachi Construction Machinery Co., Ltd.
Tokyo, Japan All rights reserved Group 1 Cab Group 2 Counterweight Group 3 Main Frame Group 4 Pump Device Group 5 Control Valve Group 6 Swing Device Group 7 Pilot Valve Group 8 Pilot Shut-Off Solenoid Valve Group 9 Signal Control Valve Group 1 Front Attachment Group 2 Cylinder Group 3 Control Valve