8/ 42
Use a flathead screwdriver to pry out the oil seal, and then knock out the bearing to complete the disassembly of the water
pump.
(note: when the water pump is running normally without failure, it is not recommended Assembly the water pump,
internal bearings, oil seals, and water seals.)
Inspection
1. Check the water pump cover ring and 18.2×2.4 O-ring on the water pump cover . If there are any defects such as wear and
edge trimming, replace the O-ring with a new one to prevent water leakage due to poor sealing .
2. Check whether the threads of the water pump blades and the water pump shaft are slippery.
3. Check the water pump shaft and blades for cracks, damage, wear, etc. If they are defective, replace them with new ones.
Install
1. Take a new fb12×20×5 fluorine rubber oil seal and press it to the position shown in the figure below. After installation,
measure the depth to confirm whether it is installed in place.
Remarks: ① apply engine oil to the
oil seal installation hole and install the oil seal.
②fb12×20×5 fluorine rubber oil seal pressing depth: the distance from the end face of the oil seal to the joint surface of th
e
pump cover is 23.4 (-
0.2,0) mm or the end face is even.
2. Check whether the bearing rotates smoothly. If the bearing rotates stuck, replace it with a new one. After oiling the bearing
hole, use a special pressure head to press the bearing into place.
Note: bearing model: gb276
－
6000/p5c3 deep groove ball bearing.
3. Take a new water seal, check to make sure that the surface of the water seal is clean and free of debris, apply 962t
bowl-shaped plug sealant on the hole where the water seal is installed, and press the water seal in place with the special
pressure head for installing the water seal.
M6×30 hex flange bolts
Apply 962T sealant
anointed with oil
