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Remove the mechanical seal: hold the seal spring up along the pump shaft, you can remove.

2023-03-29 管理员 Read 39

Disassemble the split coupling: first unscrew the hex screw fixing the coupling, and then gently pull half of the coupling from the shaft slowly (be careful not to fall off). Unscrew the pump shaft retaining bolt and block with the box wrench, let the impeller slowly sink to the pump body, remove the other half of the coupling, and take down the pump shaft retaining ring.