How to remove the squirrel circulating pump card?

Disassembly sequence of circulating water pump

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 to pull the shaft out of the suspension (pay attention to wear the impeller nut when beating the shaft head with a copper rod to prevent thread damage).

Installation sequence of circulating water pump

1. Check all parts for damage and clean them.

2. Tighten the connecting bolts on the corresponding parts respectively.

3. Put the sealing ring in the corresponding position respectively.

4. Install the sealing ring and packing gland into the pump cover in turn.

5. After installing the bearing on the shaft, install it in the suspension, and close the gland to compress the bearing.

6. Install and tighten the impeller, stop washer and impeller nut in turn, then install the above components into the pump body and tighten the connecting bolts between the pump body and the pump cover.