1、 Removal procedure.
1. Remove the lower cover plate, clean the area around the oil pump and remove dust.
2. Disconnect the oil inlet hose and drain the oil in the pump with a guide pipe. It should be noted that the oil often overflows. The guide tube should be covered with a rag. First, clamp a section of the oil inlet hose with a clamp to prevent the oil from overflowing and then disassemble it. Prevent impurities from entering the oil pump or conduit.
3. Remove the fixing bolts of the oil pump, and then separate the oil pump from the pump motor.
4. Drop the oil inlet pipe flange and disconnect the oil pump connector.
2、 Disassembly steps.
Before disassembly, thoroughly clean the dirt on the oil pump housing and prepare some new parts that need to be updated, such as non-reusable sealing rings, oil seals, etc.
1. Place the oil pump on the Tong table, loosen the bolts, move the pump to the workbench, and remove the bolts.
2. After making alignment marks on the pump body and rear cover, remove the rear cover and remove the body sealing ring, bushing sealing ring, and backing ring.
3. After making alignment marks on the pump casing and the fixing frame, remove the fixing frame, and remove the body sealing ring, bushing sealing ring and backing ring.
4. Remove the snap ring from the fixing frame and remove the oil seal.
5. Remove the bearing housing from the machine body, including the drive and driven gears.
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