McElroy Manufacturing Fusion Machine 412

Read the engine maintenance instructions

Ensure you have the appropriate oil for the ambient temperature

Locate the oil drain plug on the bottom of the oil pan

Remove the oil drain plug and drain the old oil

Measure the current antifreeze level

Is the antifreeze level adequate?

Is additional antifreeze needed?

Add antifreeze in a 50/50 mix with water if needed

Is it time to replace the antifreeze mixture?

Replace the antifreeze mixture if required

Read the engine maintenance instructions

Ensure the engine is cool before starting the oil change

Locate the oil drain plug on the bottom of the oil pan

Remove the oil drain plug and allow the oil to completely drain out

Ensure the heater is cool before installation

Check availability of necessary components

Ensure no foreign matter is trapped between heater body and plates

Seat the butt fusion heater plates on the heater body

Install butt fusion heater plates using stainless steel cap screws

Ensure bolts are not over tightened

Unlatch the two latches on both sides of the rear cowl

Using both hands, slide the rear cowl to rear

Slide the front cowl off to the front

Remove the bottom cowl, sliding it forward then up