Complete workshop & service manual with electrical wiring diagrams for Hitachi EX1000, EX1100, EX1100-3 Excavator. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
This Hitachi EX1000, EX1100, EX1100-3 Excavator 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.
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UPPERSTRUCTURE / Pilot Shut-off Valve
Disassemble Pilot Shut-Off Valve
Be sure to thoroughly read Precautions for Disassembly and Assembly on page W01-01-01 before starting disassembly.
1. Remove retaining ring (1) and washer (2) and pull out spool (11).
2. Remove spring pin (9) from spool (11), then remove lever (10).
NOTE: Mark spool (11) and lever (10) for alignment when installing.
3. Remove washer (7), retaining ring (8) from spool (11).
4. Remove backup rings (3), (6), O-ring (4) and (5) from body (14).