Northern Lights Diesel Generator M1064A

Ensure the engine is turned off and cooled down

Gather necessary tools and equipment

Locate the 1/8" NPT threaded port on the inlet manifold

Remove the plug from the threaded port

Install the boost gauge hose into the threaded port

Record the boost pressure reading

Use a filter wrench to remove old filter

Dispose of filter in approved manner

Ensure the gasket from the old filter is removed and discarded

Lubricate the rubber gasket on the new filter

Screw the new filter on nipple until gasket meets the sealing surface

Tighten filter one-half turn farther using hands only

Open the filter drain plug and drain the filter

Remove the secondary fuel filter

Ensure the surfaces where the cartridge contacts the mounting plate are clean

CAUTION: The cooling water in the engine reaches extremely high temperatures. Use extreme caution when working on hot engines to avoid burns. Allow the engine to cool before working on the cooling system. Open the filler cap carefully, using protective clothing when the engine is warm.

Has the engine cooled down completely?

Remove the pressure cap from the expansion tank with caution.

Open the cooling system air vent on top of turbocharger, if applicable.

Open the drains on the exhaust manifold and engine block.

Change the sea water pump impeller as needed

Remove impeller with water pump pliers

Ensure all pieces of a failed impeller are removed

Clean the inside of the housing

Place the sealing washer in the outer end of the impeller center if not already done

Replace the cover using a new gasket