How to disassemble and assemble the circulating water pump of FAW Le Wei engine

1. First, remove the coupling with a puller. The specific method is: hook the coupling with a special tool puller, and the screw is centered on the pump shaft. Turn the wrench slowly and remove the coupling. In the process of hooking, tap the coupling with a copper hammer or a copper rod.

2. Loosen the fastening bolts on the pump cover and pump body, and take the rotor assembly out of the pump body.

3. Loosen the impeller nut in front of the impeller and remove the impeller (the impeller key should be kept properly).

4, remove the pump cover and shaft sleeve, and loosen the bearing gland, you can pull out the shaft from the suspension (pay attention to the impeller nut to wear when beating the shaft head with a copper rod to prevent damage to the thread).