Many users buy oil pump after using for a period of time, they need to replace the parts and send them back to the factory for maintenance. When they take the parts and do not assemble them, the following is an introduction to the assembly process, hoping to help you.
A new gear oil pump use after a period of time in general gear, pump body and the seal will have different degrees of damage, need to change, must first remove the pump cover the above a few bolts, seal there don't have to go to tube, then put off before the pump, remove the inside has worn gears, put in the new gear, note: There is a layer of graphite paper between the pump cover and the pump body, which is used to adjust the gap, not too thin and not too thick, and then align the bolt hole on the pump cover, twist the bolt, it is actually very simple. It should be noted that when covering the front cover of the pump, it must be paid attention to that between the pump cover and the pump body and between the graphite paper must be clean, and there shall be no dirty things and small particles adsorbed in the middle, which will affect the size of the gap.
If you want to replace the oil seal, it is necessary to remove the bolt where the pump shaft seal gland, take out the inside packing seal ring, replace the new, tighten the bolt, note: do not twist too tight.
The above is the maintenance process of the oil pump: including the replacement of the gear of the oil pump and the replacement of the oil seal. Botou Haina Oil Pump Co., LTD.
