Komatsu excavator PC600LC-7 Gear Pump 705-52-21140

1.part number: 705-52-21140 2. part name: pump 3. machine number.: PC600-6/PC650-6 4.Material is imported from Singapore 5.Certificate: ISO9001/QS9000. 6.Guarantee time: 1 year Huida is in line with international standards for operation, with new concept, new mechanism and new culture. We follow...

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Product Details

1.part number: 705-52-21140

2. part name: pump 

3. machine number.: PC600-6/PC650-6

4.Material is imported from Singapore

5.Certificate:ISO9001/QS9000.

6.Guarantee time: 1 year 


If you are looking for quality replacement parts (new and/or used) for bulldozers, excavators, loaders, etc. you have found us! We specialize in parts for Komatsu, Caterpillar and Yanmar,Volvo,Hitachi machinery but we often have a variety of other manufacturers' products as well. We provide top of the line new aftermarket products so you can be assured of getting the most competitive prices on the highest quality aftermarket parts for Komatsu products. We also have a number of acres stocked full of parts machinery.


Huida is in line with international standards for operation, with new concept, new mechanism and new culture. We follow the management philosophy of "high-tech, high-efficiency, high-quality, serious and pragmatic". 

Our company is willing to work with friends from home and abroad in good faith. We eagerly look forward to your visit. We sincerely hope to cooperate with clients from all over the world on the basis of mutual benefits.

705-58-44050 pump.JPG


How to maintain the main pump and gear pump of Komatsu excavator properly?


The maintenance of the main pump is relatively simple. It is important to note that in the replacement of hydraulic oil, sometimes in order to put the old oil thoroughly, it will remove the main pump into the oil pipe, so that the oil in the main pump will be all out. When adding new oil remember to give the main pump exhaust, the method of exhaust is also relatively simple, in general, the main pump will have a gas plug above the main pump, can first screw off the screw and then refueling, as the oil tank inside the tank gradually increased, the air in the main pump will be a little bit discharged, wait for the exhaust snail. When the plug starts to pour oil outside, it can screw up the screw plugs.

Another part needs oil injection: the main pump oil is the main pump leaked out, generally with more iron cutting, so there will be a shell emission filter core, when the replacement of hydraulic oil, the same need to fill the body with oil. The method is also very simple, and dismantled the pipe from the filter element, and poured oil into the tube. It should be noted that when filling the oil, it must be slow, so that the air inside can not be sealed by oil seal.


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