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Sumitomo SH700 Hydraulic Excavator Factory Service & Shop Manual




US Dollar: $29.99

Complete workshop & service manual with electrical wiring diagrams for Sumitomo SH700 Hydraulic Excavator. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Sumitomo SH700 Hydraulic 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.

“Sumitomo SH700.pdf”
Sumitomo SH700LHD-3B Hydraulic Excavator Service Manual; 317 pages

Hydraulic Circuits TRAVEL CIRCUITS
High Speed Travel Circuit
With High Speed Travel, high speeds can be achieved by setting the two-level inclinatory angle of the travel motor to the smaller angle side. The circuit has a travel motor that automatically switches over to lower speed by utilizing load pressure on the travel motor when traveling at high speed.
Discharged oil from the hydraulic pump A1 enters the Port P1 of control valve while discharged oil from the hydraulic pump A2 enters the Port P2 of control valve. Each flow goes into the travel motor by switch- ing between the right and left travel spools. By these flows, the machine travels forward and backward. By operating the travel mode switch, electric signals are sent to the controller, and from the controller, electric signals are sent to the solenoid valve for 2-speed (high speed) travel in the 8-way solenoid valve. By the switchover of the solenoid valve, the original pilot pressure (4.4 MPa) from Port C1 on the 8-way solenoid valve enters Port P of right and left travel motors via the rotating joint to set the inclinatory angle of the travel motor to the smaller angle side, which enables high speeds.

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