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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 SAE 30 motor oil 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. Remove the fuel 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.
Spark Plug
Maintenance Interval
・The spark plug should be removed from the engine and checked after each 25 hours of operation.
・
Replace
the spark plug after every 100 hours of operation.
Spark Plug Maintenance
1. Twist the high tension lead boot on the spark plug back and forth a couple of times to loosen the boot,
then pull the boot off of the spark plug.
2. Remove the spark plug.
3. Clean the electrodes with a stiff brush.
4. Adjust the electrode air gap to 0.6-0.7 mm.
5. Replace the spark plug if it is oil-fouled, damaged, or if the
electrodes are worn down.
6. Do not over tighten the spark plug when installing.
The tightening torque is 10.7-16.6 N·m.
0.6
-
0.7mm
Fuel Pic
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