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ITEMS TO CHECK ON A Shutdown pump

ITEMS TO CHECK ON A Shutdown pump. The shaft should not be turning, unless it has turning gear and lube oil is supplied to shaft support components. The shaft should not be turning backward as this may be an indication that the discharge check valve did not reset. The pump should be quiet.

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ITEMS TO CHECK ON A Shutdown pump

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  1. ITEMS TO CHECK ON A Shutdown pump • The shaft should not be turning, unless it has turning gear and lube oil is supplied to shaft support components. • The shaft should not be turning backward as this may be an indication that the discharge check valve did not reset. • The pump should be quiet. • There will be little or no vibration or differential pressure. • If applicable, the mini-flow recirc valve will be open. • Local electrical lineups should be per the system operating procedures. • The pump or motor will not be hot to the touch. • Local breakers will be open, and motor current will be zero.

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