This manual is a complete factory service repair manual for Hitachi ZW80 ZW90 Wheel Loader. This manual consists of three portions: Hitachi ZW80 ZW90 Technical Manual (Operational Principle), the Technical Manual (Troubleshooting) and Hitachi ZW80 ZW90 Workshop Manual. Information included in the Technical Manual(Operational Principle): technical information needed for redeliver and delivery, operation and activation of all devices and systems. Information included in the Technical Manual(Troubleshooting): technical information needed for operational performance tests, and troubleshooting procedures and Electrical Circuit Diagram. Information included in the Workshop Manual: technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal/installation and assemble/disassemble procedures. Service Repair Manual Covers: WORKSHOP MANUAL SECTION 1 GENERAL Group 1 Precautions for disassembling and Assembling Group 2 Tightening Group 3 Painting SECTION 2 BODY Group 1 Canopy Group 2 Cab Group 3 Counterweight Group 4 Center Hinge Group 5 Engine Hood Group 6 HST Pump and Main Pump Group 7 HST Motor Group 8 Control Valve SECTION 3 TRAVEL SYSTEM Group 1 Tire Group 2 Reduction Device Group 3 Axle Group 4 Propeller Shaft Group 5 Master Cylinder Group 6 Parking Brake Solenoid Group 7 Steering Valve Group 8 Steering Cylinder Group 9 Priority Valve SECTION 4 ATTACHMENT Group 1 Front Attachment Group 2 Cylinde TECHNICAL MANUAL (Operational Principle) SECTION 1 GENERAL Group 1 Specifications Group 2 Component Layout Group 3 Component Specifications SECTION 2 SYSTEM Group 1 Control System Group 2 Hydraulic System Group 3 Electrical System SECTION 3 COMPONENT OPERATION Group 1 Priority Valve Group 2 Control Valve Group 3 Steering Valve Group 4 HST Pump Group 5 HST Motor Group 6 Reduction Group 7 Axle Group 8 Brake Master Cylinder Group 9 Others TECHNICAL MANUAL (Troubleshooting) 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 Group 1 Diagnosing Procedure Group 2 Component Layout Group 3 Troubleshooting A Group 4 Troubleshooting B Group 5 Troubleshooting C Group 6 Electrical System Inspection ZW80/90 ELECTRICAL CIRCUIT DIAGRAM ZW80 REAR HARNESS ZW90 REAR HARNESS ZW80/90 FRONT HARNESS ZW80/90 MAIN HARNESS ================================================== High Quality PDF Manual,All pages are printable. Instant Download No Shipping Cost No Need to Wait For A CD-ROM File Format: PDF Language: English Compatible: All Versions of Windows & Mac Requirements: Adobe PDF Reader Thanks for visiting.