SECTION AND GROUP CONTENTS SECTION 4 OPERATIONAL PERFORMANCE TEST Group 1 Introduction Group 2 Standard Group 3 Engine Test Group 4 Wheel Loader Test Group 5 Component Test Group 6 Adjustment SECTION 5 TROUBLESHOOTING TECHNICAL MANUAL (Troubleshooting) Group 1 Diagnosing Procedure Group 2 Dr-ZX Group 3 e-Whell Group 4 Component Layout Group 5 Troubleshooting A Group 6 Troubleshooting B Group 7 Troubleshooting C Group 8 Electrical System Inspection TECHNICAL MANUAL (Operational Principle) SECTION 1 GENERAL SECTION 3 COMPONENT OPERATION Group 1 Specification Group 2 Component Layout Group 3 Component Specifications SECTION 2 SYSTEM Group 1 Pump Device Group 2 Control Valve Group 3 Hydraulic Fan Motor Group 4 Steering Pilot Valve Group 5 Steering Valve Group 6 Pilot Valve Group 7 Charging Block Group 8 Ride Control Valve Group 9 Drive Unit Group 10 Axle Group 11 Brake Valve Group 12 Others 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. Group 1 Control System Group 2 ECM System Group 3 Hydraulic System Group 4 Electrical System COPYRIGHT (C) 2006 Hitachi Construction Machinery Co., Ltd. Tokyo, Japan All rights reserved