Complete factory service repair manual for the Hitachi Zaxis ZX 40U 50U Excavator. This manual consists of two portions:the Technical Manual and the Workshop Manual.Use the manuals according to purpose. Information included in the Technical Manual:technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures. 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 INFORMATION Group 1 Precautions for disassembling and Assembling Group 2 Tightening Torque Group 3 Painting Group 4 Bleeding Air SECTION 2 UPPERSTRUCTURE Group 1 Canopy Group 2 Counterweight Group 3 Pump Device Group 4 Control Valve Group 5 Swing Device Group 6 Pilot Valve Group 7 Solenoid Valve 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 Lower Roller Group 7 Track SECTION 4 FRONT ATTACHMENT Group 1 Front Attachment Group 2 Cylinder SECTION 5 ENGINE AND ACCESSORY TECHNICAL MANUAL SECTION 1 GENERAL Group 1 Specification Group 2 Component Layout Group 3 Component Specifications SECTION 2 SYSTEM Group 1 Hydraulic System Group 2 Electrical System SECTION 3 COMPONENT OPERATION Group 1 Pump Device Group 2 Swing Device Group 3 Control Valve Group 4 Pilot Valve Group 5 Travel Device Group 6 Others (Upperstructure) Group 7 Others (Undercarriage) SECTION 4 OPERATIONAL PERFORMANCE TEST Group 1 Introduction Group 2 Standard Group 3 Engine Test Group 4 Excavator Test Group 5 Component Test SECTION 5 TROUBLESHOOTING Group 1 Diagnosing Procedure Group 2 Troubleshooting A Group 3 Troubleshooting B Group 4 Electrical System Inspection ================================================== 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.