WINTERIZING RAW WATER COOLED DIESEL ENGINES

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This information is strictly for general informational purposes. As with any critical service work, you should consult a qualified local service center for specific information on your engine.

(1) Drain crankcase and transmission and refill with fresh oil as specified in owner's manual. Change oil filters.

(2) Close sea cock, remove raw water pick up hose from water pump, attach a 4-foot length of hose to water pump and immerse in a 5 gal. bucket of antifreeze solution. Remove hose from engine or manifold that leads to exhaust elbow. Attach about a 4 foot length of hose and immerse one end in the bucket of antifreeze solution. Start engine and run until water begins to warm up (about 3 to 5 min.) and thermostat opens. Stop engine. Replace hose that leads to exhaust elbow. Start engine and let run till water comes out exhaust pipe. Stop engine, remove hose from water pump to bucket, attach hose from sea cock to water pump and tighten all hose clamps.

(3) Loosen water pump and alternator to lessen tensions on belts during winter.

(4) Drain and clean all fuel filters and change elements, gaskets and seals. Bleed all air from fuel systems.

(5) Pull compression release lever and turn engine slowly with hand crank. Slowly pour about 2 ounces of engine oil into the intake pipe or manifold while engine is turning. DO NOT USE the starter to turn engine or serious engine damage may result.

(6) Tape the opening of the intake and exhaust manifolds with duck tape to help prevent corrosion of the upper cylinder during lay up.

(7) Scrape all rust or corrosion from exposed metal parts and surfaces. Scrub all metal surfaces with detergent and rinse thoroughly. Paint any bare metal.

(8) Place a dust cover over engine. Do not leave the engine exposed to rain and sea breeze.

(9) Disconnect the battery cables, remove the battery from the boat. Clean the terminal ends and battery with a solution of baking soda and water, rinse thoroughly with clean water. Apply a light coat of grease on the terminal end of the battery and cables. Store the battery in a cool dry place. Use a trickle charger to keep battery charged. Do not charge battery near any open flame or in a confined area.

This information is strictly for general informational purposes. As with any critical service work, you should consult a qualified local service center for specific information on your engine.

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