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And Motors - China

price: contact company for price

hydraulic pump manufacturers_ hydraulic pump parts_ hydraulic pumps and

motors suppliers in china

China hydraulic pump manufacturers, hydraulic pumps and motors, hydraulic pump parts, piston pump parts, hydraulic pump, hydraulic spare parts, hydraulic piston pump, hydraulic vane pump, hydraulic gear pump, Hydraulic Motor, Pilot Pump, Charge Pump for Rexroth, Caterpillar, Vickers, Denison, Sauer, Kawasaki, Commercial, Linde, Parker, Liebherr, Komatsu, Eaton, Daikin, Kubota, Johndeer, Hitachi. T6C, T6D, T6E, 45VQ, 35VQ, 25VQ, 20VQ, V10, V20, Hydraulic Motor.

Hydraulic Pump Common Faults and exclusion method

Cause: ( 1) hydraulic oil tank is too low;

? ? ? ? Remedy: Add hydraulic oil

? ? ? ? Cause: ( 2) no use of hydraulic oil according to season;

? ? ? ? Remedy: usually applied 46 # hydraulic oil ( or 68 # ) , no need for special replacement, especially when cold northern winter, consider using 32 #

? ? ? ? Cause: ( 3) into the pipeline was severely clogged dirt;

? ? ? ? Remedy: Remove the foreign body tube

? ? ? ? Cause: ( 4) oil pump drive gear oil seal is damaged, the air into the hydraulic system;

? ? ? ? Remedy: replace aging or damaged oil seals, O- rings

? ? ? ? Cause: ( 5) pumps, the oil port adapter or elbow connector ' O' ring is damaged, bent or joint fastening bolts into or out of the flare nut is not tight, the air into the hydraulic system;

? ? ? ? Remedy: Replace O- ring, tighten the bolt or nut joints

? ? ? ? Cause: ( 6) Drain pumps, seals aging;

? ? ? ? Remedy: replace the seals

? ? ? ? Cause: ( 7) pump end or main sleeve end surface of the driven gear wear or scratch, the two sleeve end surface roughness tolerance;

? ? ? ? Remedy: Replace worn gear pump or pump bushings, wear light when flat end mill will be smooth. When the end face of the sleeve is less than the pump, the plane ( normal less than 2.5 ~ 2.6mm) , such as ultra- poor should be added at 0.1 ~ 0.2mm copper sleeve to compensate for installation; its flatness tolerance 0.03mm It should be put on the rear axle load sets

? ? ? ? Cause: ( 8) pumps internal parts assembly error caused by internal leakage;

? ? ? ? Remedy: unloading pieces and sealing ring must be put into the oil chamber, two sleeves in order to maintain balance. The guide wire should be able to simultaneously stretch the upper and lower sleeve toward the direction of rotation of the driven gear to reverse a slight angle, so that the main driven gear machining plane two bushings tight fit; unloading tank must be installed in a low- pressure chamber on the sleeve side, resulting in the elimination of harmful gear when closing dead volume; the front pushed from the tight seal, its surface should be coated with a layer of oil, but also pay attention to the front edge toward the oil- barrier cover, can not hold against; pre- installed pump cover shall to pour a small amount of hydraulic oil pump housing and turned by hand gear

? ? ? ? Cause: ( 9) ' L' loaded ' right- handed' pump, resulting in washed out skeleton Seal;

? ? ? ? Remedy: ' right- handed' pump can not be installed on the ' L' machine, otherwise washed out skeleton Seal;

? ? ? ? Cause: ( 10) hydraulic oil is too dirty.

? ? ? ? Remedy: cleaning systems, replacement of hydraulic oil.

? ? ? ? Cause: ( 11) pump filter is not blocked from the oil filter dirt effect

? ? ? ? Remedy: clean with clean oil filter to remove dirt.

? ? ? ? Cause: ( 12) oil shortage, oil position is too high, exposing the oil suction pipe:


Company Contact:


  • Phone: 13396628070

  • Address: NO.388,Chengxin Road, Yinzhou District, Ningbo, Zh, ningbo, China

  • Email: Email


Published date: January 11, 2016 -

  • Business Description: Ningbo PHP Hydraulics Co., Ltd.
    Hydraulic Pump Parts, Piston Pump Parts, Vane Pump manufacturers / suppliers in China

    Hydraulic Pump Parts,Piston Pump Parts,Denison Vane Pump,Vickers Vane Pump,Caterpillar cartridge kits


    hydraulic pump manufacturers_hydraulic pump parts_hydraulic pumps and motors suppliers in china

    China hydraulic pumps and motors manufacturer,piston pump,parts,vane pump,gear pump,charge pump,cartridge kits for Rexroth,Caterpillar,Vickers,Denison,Sauer,Kawasaki,Commercial,Linde,Parker,Liebherr,Komatsu,Eaton,Daikin,Kubota,Johndeer,Hitachi. T6C,T6D,T6E,45VQ,35VQ,25VQ,20VQ,V10,V20,Hydraulic Motor.

    hydraulic pump parts,piston pump parts,hydraulic pump, hydraulic pump parts, hydraulic spare parts, hydraulic piston pump, hydraulic vane pump, hydraulic gear pump, Hydraulic Motor,Pilot Pump, Charge Pump

    Our website: www.pepfluid.com
    Commercial Address: NO.388,Chengxin Road, Yinzhou District, Ningbo, Zhejiang, China

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