Solutions Solution 1: Remove debris in impeller. (Do not remove impeller) Solution 2: Check suction hose. Most cases of lack of priming or low water flow are caused by air leakage on the suction side of the pump. Suction test: a. Remove suction hose b. Start engine with water inside the pump. c. Press the palm of your hand to cover the suction inlet, hold and wait 30 seconds. If you feel suction on your palm, the pump is working fine. Check suction hose and connections. d. Check if rubber seal is installed. Note: In case of water leakage between engine and pump, usually the cause is damaged mechani cal seal. Please ask shop for assistance and replace me chanical seal.
16 Centrifugal Pump Operator's Manual