Maintenance; Air Filter; Fuel Filter - Maruyama MAG500 Owner's/Operator's Manual

Maintenance

Air filter

Maintenance interval
・The air filter should be cleaned daily, or more often when
working in extremely dusty conditions.
・Replace after every 100 hours of operation.
Air filter cleaning
1. Remove the foam element.
2. Clean the foam element with warm, soapy water.
Let the element dry completely.
3. Apply a light coat of motor oil (SAE 30 or equivalent vis-
cosity) to the foam element and squeeze out all excess
oil.
4. Reassemble the foam element and filter cover.

Fuel filter

Maintenance interval
The fuel filter should be replaced after every 100 hours of
operation.
Fuel filter replacement
The fuel filter is attached to the end of the fuel pick-up hose
inside the tank. To replace the fuel filter:
1. Make sure the fuel tank is empty.
2. Loosen the fuel tank cap.
3. Using a wire hook, gently pull the fuel filter out through the
fuel filler opening.
4. Grasp the fuel hose next to the fuel filter fitting and remove
the filter, but do not release the hose.
5. While still holding on to fuel hose, attach the new fuel filter.
6. Drop the new fuel filter back into the fuel tank.
7. Make sure that the fuel filter is not stuck in a corner of the
tank, and that the fuel hose is not doubled over (kinked)
before refueling.
Screw
－ 11 －
Filter Cover
Foam Element
Fuel Pick-up Hose
Wire
Fuel Filter