Complete workshop & service manual with electrical wiring diagrams for Hitachi ZAXIS 800. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Hitachi ZAXIS 800 service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

Hitachi ZAXIS 800 Service Manual (191 MB)
Technical Manual (Operational Principle)
Part Position Display Tool
Technical Manual (Troubleshooting)
Circuit Diaglam & Harness
Workshop Manual

EXCERPT:
FRONT ATTACHMENT / Front Attachment
REMOVE AND INSTALL FRONT ATTACHMENT
CAUTION: Escaping fluid under pressure can penetrate the skin and eyes, causing serious injury. Avoid this hazard by relieving pressure before disconnecting hydraulic lines.
Hydraulic oil may be hot after operation and may spurt, possibly causing severe burns. Be sure to wait for oil to cool before starting any repair work.
The hydraulic oil tank cap may fly off due to remaining pressure if removed quickly.
Slowly loosen the cap to release any remaining pressure completely.
Preparation
1. Park the machine on a solid level surface.
Fully retract the arm and bucket cylinders and lower the front attachment onto the ground.
2. After stopping the engine, move the control levers several times to release any pressure remaining in the system. Rotate the hydraulic oil tank cap approx. 30° counterclockwise using a hexagon wrench to release the trapped air in the hydraulic oil tank. Refer to Bleeding Air from Hydraulic System on page W1-1-2. : 4 mm
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