The 1163134008I is a Permco four-stage high-pressure gear pump used in the XCMG QY50KA truck crane hydraulic system. It serves as a hydraulic power source for the crane's lifting, slewing, and boom operations .
1. Installation Location
This pump is engine-driven and mounted on the transmission power take-off in the crane's lower chassis. Its four-stage configuration supplies hydraulic oil to the superstructure and outrigger systems .
2. Function
The pump converts mechanical engine power into hydraulic flow for the crane's control valves and actuators. It features a floating side plate design for high efficiency and reliable performance, with high-pressure skeleton and rubber seals to prevent leakage under heavy load conditions. The housing is made of wear-resistant, high-toughness ductile iron to withstand high-pressure hydraulic demands without cracking .
3. Maintenance and Service
Regular inspection includes checking for oil leaks at shaft seals and mounting flanges, monitoring pump noise, and ensuring clean hydraulic oil. Contamination is a primary cause of pump wear. The assembly is not user-serviceable internally; if internal wear or damage is suspected, complete replacement is recommended .
4. Important Notes
Verify the part number 1163134008I matches the original component specification before installation. Always relieve hydraulic system pressure before servicing or removing the pump. Use only hydraulic fluid meeting the manufacturer's viscosity and cleanliness specifications .
