Baotou beiben heavy truck engine accessories used for a long time, how to do the cooling is an important step to ensure the service life of the engine, the engine and the pump has a so important function. Therefore, the majority of owners in the daily maintenance of the time, do not have to pump out the water pump, and now a small series for the majority of users to introduce the six steps to overhaul the pump, to ensure that the pump can be a smooth cycle.
1, check the pump body and belt wheel wear and damage, if necessary, should be replaced. Check the pump shaft with no bending, the degree of shaft neck wear, shaft end thread with no damage. Check the blade on the impeller there is no broken, shaft hole wear is serious. Check the degree of wear of seal and bakelite washer, such as more than the use of limit should be replaced with new parts. Check bearing wear, the available table measurement of the clearance of the bearing, such as more than 0.10mm, you should replace the new bearing.
2, after the pump is removed, can be decomposed in order. After the decomposition of parts should be cleaned, and then one by one check to see if there are cracks, damage and wear and other defects, such as serious defects should be replaced.
3, repair water seal and seat seal: such as wear groove, available emery cloth grinding, such as too much wear should be replaced; seal seat as coarse scratches, available plane or repair in the lathe reamer. In the overhaul should be replaced with new seal assembly.
4, check the Baotou beiben heavy truck parts pump bearing is flexible rotation or abnormal noise, such as a bearing, should be replaced.
5, after the pump assembly, with the hand rotation, the pump shaft should be no card lag, impeller and pump shell should not touch wipe. Then check the pump discharge, if there is a problem, should check the cause and rule out. If the pump fails, the coolant will arrive at the corresponding place to, its performance is not effectively play I, work and ultimately affect the Baotou beiben heavy truck engine accessories. Therefore, it is necessary to strengthen the inspection of the pump.