US- 16 -
Move the choke lever to the closed ( ) position.
1.
Loosen the knob and remove the air cleaner cover.
2.
Remove the foam element and filter screen from the
air cleaner body.
3.
Clean the foam element and filter screen with air blow
or warm soapy water.
4.
Reassemble the filter screen and foam element to the
air cleaner body. Foam element must be located as the
felt side face to the cleaner cover.
5.
Reinstall the air cleaner cover and tighten the knob.
Fuel Filter
Maintenance Interval
The fuel filter should be cleaned and inspected for damage
after each 20 hours of operation.
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 fuel 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 the 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.
With the engine at ambient (room) temperature, 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 .024-.028 in (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 95-148 in. lbs. (10.7-16.6
N·m).
