Engine Maintenance
Servicing the Air Filter
Service Interval: Before each use or daily—Check
the air filter.
Every 20 hours—Clean the air filter. (Clean
daily in extremely dusty conditions.)
Every 20 hours—Replace the air filter.
Yearly—Replace the air filter.
1.
Move the choke lever to the C
2.
Squeeze the latch tabs and rotate the air filter
cover off the machine.
Figure 17
1. Air filter cover
2. Foam filter element
3.
Remove and inspect the foam filter element.
Important:
Replace the foam element if it
is torn or worn.
4.
Wash the foam element in liquid soap and
warm water. When the element is clean, rinse
it thoroughly.
Important:
Do not twist the foam element
while cleaning it.
5.
Dry the element by squeezing it in a clean cloth.
6.
Dip the foam element in clean engine oil (30 or
40 weight), then squeeze out the excess oil.
7.
Install the filter over the filter-reinforcement
plate. Press the foam filter evenly over the plate
to ensure it is fully seated into its sealed position.
8.
Install the air filter cover. Ensure that it snaps
into place and is secured by the latch tabs.
position.
HOKE
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3. Filter-reinforcement plate
4. Latch tab (2)
Servicing the Spark Plug
Service Interval: Every 20 hours—Check, clean, and
gap the spark plug.
Yearly—Replace the spark plug.
Ensure that the air gap between the center and side
electrodes is correct before installing the spark plug.
Use a spark plug wrench for removing and installing
the spark plug(s) and a gapping tool/feeler gauge to
check and adjust the air gap. Install a new spark
plug(s) if necessary.
Type: Torch L7RTC, Champion RCJ8Y, or equivalent
Air gap: 0.71 mm (0.028 inch)
Removing the Spark Plug
1.
Disconnect the spark-plug wire from the spark
plug.
1. Spark-plug wire
2.
Clean around the spark plugs to prevent dirt
from entering the engine and potentially causing
damage.
3.
Remove the spark plug.
16
Figure 18
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