Hyundai Seasall S250S series Installation & Operation Manual page 23

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INSTALLATION & OPERATION MANUAL

CHECKING SEA WATER PUMP & IMPELLER

• Stop the engine and close the water valve

• Remove the impeller housing cover

• Remove the impeller from inside the seawater

pump

• Check the condition of impeller and bushing

• Apply soapy water to impeller when assembling,

and reassemble towards rotation direction

• Replace of the O-ring on the impeller housing

cover

• Open the water valve

• Start the engine and check if there is water

leakage

S250 and S220 Series Engines

DO NOT RUN THE ENGINE WITHOUT SEAWATER. THE SEAWATER

PUMP IMPELLER WILL BE DAMAGED. BEFORE STARTING THE

ENGINE, BE SURE TO SUPPLY SEAWATER TO THE PASSAGES.

IMPELLER DAMAGE MAY OCCUR IF APPROPRIATE TOOLS ARE NOT

USED WHEN REMOVING THE IMPELLER. MAKE SURE TO CHECK O-

RING CONDITION AFTER SEAWATER PUMP REASSEMBLY.

DO NOT INSTALL ADDITIONAL DEVICES WHICH COULD OBSTRUCT

THE FLOW OF SEAWATER. THIS CAN CAUSE THE ENGINE TO

OVERHEAT.

CAUTION

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S250p series S250j series S220s series S220p series