![]() ![]() Joystick control, the left and right travel pilot valves share a valve body, which is controlled by the left and right travel joysticks in the cab. ![]() The stick pilot valve and the swing pilot valve share the same valve body. Among them, the boom pilot valve and the bucket pilot valve share the next valve body, which is controlled by the right joystick in the cab. There are 3 pilot control valves in the whole vehicle. Among them, the pilot control valve is one of the main hydraulic components of the system. The pilot control system of the excavator is mainly composed of a pilot pump, an accumulator, a safety lock valve, a working device and a rotary pilot control valve, a traveling pilot control valve, a boom bucket and a traveling PPC shuttle valve, a stick and a rotary PPC shuttle valve, A pilot filter element and a pilot overflow valve are also installed on the pilot pump. Analysis Of Excavator Pilot Control Valve (PPC Valve) Jul 28, 2020 ![]()
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