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Hitachi EX1800 Hydraulic Excavator Factory Service & Shop Manual

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US Dollar: $39.99

Complete workshop & service manual with electrical wiring diagrams for Hitachi EX1800-2, EX1800-3 Hydraulic Excavator. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This 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.

FILELIST:
KM114E01 - Hitachi EX1800-2 Hydraulic Excavator Service Manual.pdf
T144E00 - Hitachi EX1800-3 Hydraulic Excavator Technical Manual.pdf
W144E00 - Hitachi EX1800-3 Hydraulic Excavator Workshop Manual.pdf
EM18225 - Hitachi EX1800-2 Hydraulic Excavator Operator's Manual.pdf
EM18226 - Hitachi EX1800-2 Hydraulic Excavator Operator's Manual.pdf
EM18712 - Hitachi EX1800-3 Hydraulic Excavator Operator's Manual.pdf
Hitachi EX1900-6 Excavator Electrical Circuit Diagram 1 of 3.pdf
Hitachi EX1900-6 Excavator Electrical Circuit Diagram 2 of 3.pdf
Hitachi EX1900-6 Excavator Electrical Circuit Diagram 3 of 3.pdf

EXCERPT:
COMPONENT OPERATION / Travel Device
Fast Speed
When the travel speed switch is turned ON (fast), the travel speed change solenoid valve is activated, allowing the pilot pressure to act on the spring side in the reducing valve. Then the pilot pressure is fed to the spool ends in the travel speed change valve without being reduced by the reducing valve.
As the pilot pressure is not reduced, the spools in the travel speed change valve are moved. Therefore, the main pressure acts on the fast side tilt piston, decreasing the travel motor swash angle and increasing travel speed.
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