Northern Lights Diesel Generator M65C2

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

Ensure the following special tools are available

Remove rocker arm cover with ventilator tube

Remove plastic plugs in engine timing holes on front side of flywheel

Rotate flywheel in clockwise direction with the Flywheel Turning Tool until the Timing Pin engages timing hole in the flywheel

Are both rocker arms for No. 1 cylinder loose at Top Dead Center?

If not, remove the timing pin and rotate the flywheel one complete turn and reinstall the timing pin in the flywheel

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

Remove the cooling water pipes between the heat exchanger and the water pump inlet

Disconnect hose to seawater pump

Unscrew the attaching bolts holding the heat exchanger to the expansion tank

Remove bolts holding heat exchanger cover

Use chemical agents if necessary

Drain the raw water from heat exchanger

Remove zinc holders from back of the tank, front, and port side of the heat exchanger

Scrape or steel brush the zinc electrode clean

Is more than 50% of the electrode eroded away?