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Insufficient output flow of fan pump, low fan speed and engine overheating
Low pressure of auxiliary pump, slow response of pilot control
Abnormal noise during pump operation with housing vibration
Oil leakage at pump mating surface and shaft end, damaged oil seals and gaskets
Wear of internal gears and flow distribution components, pump overheating
Severe pressure fluctuation, unstable fan speed
Purchasing Recommendations
Verify part numbers and machine serial number to confirm compatibility with Komatsu PC850-8 hydraulic excavator
Prioritize OEM parts or high-quality remanufactured parts; be cautious of low-cost generic spare parts
Inspect pump housing for cracks, check integrity of port threads, input shaft and solenoid valve before acceptance
Confirm the fan pump & auxiliary pump assembly comes with a complete seal kit for easy installation and replacement
Request warranty from supplier and retain factory inspection report
Replace hydraulic oil and clean hydraulic circuit during assembly replacement to prevent secondary wear caused by contaminants
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...
