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Main piston pump compatible with Komatsu PC200-5, PC210-5, PC240-5, and PC270-5 excavator models.
Common Faults & Solutions
Weak operation when hot: Wear of pistons and valve plate reduces volumetric efficiency. Hydraulic oil contamination is the primary cause.
Engine lugging & speed drop: Misadjusted or stuck TVC torque valve causes pump absorbed torque to exceed engine output.
Slow movement of whole machine: Stuck NC negative flow valve spool; worn internal pump parts; worn rear pilot pump leads to insufficient pilot pressure (special fault of PC200-5).
Abnormal noise & vibration: Blocked suction filter, air ingress causing cavitation; damaged pump bearing, piston & shoe or pilot gear pump.
Large case drain flow: Internal pump wear leads to high-pressure internal leakage.
Crawler drift: Uneven flow between front and rear pump, unbalanced TVC valve requiring servo piston shim adjustment.
Product Images
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Trading Company,Manufacturer
Year Established:
2017
Total Annual:
$1 Million -US$5 Million
Employee Number:
80~100
Ecer Certification:
Verified Supplier
Guangzhou Kawo Construction Machinery Co., Ltd.
Company Profile
Professional Excavator Hydraulic Products Manufacturer & Service Provider
Founded in 2017, Guangzhou Kawo Construction Machinery Co., Ltd. is a professional manufacturer and service provider specializing in excavator hydraulic produ... Guangzhou Kawo Construction Machinery Co., Ltd.
Company Profile
Professional Excavator Hydraulic Products Manufacturer & Service Provider
Founded in 2017, Guangzhou Kawo Construction Machinery Co., Ltd. is a professional manufacturer and service provider specializing in excavator hydraulic produ...