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9. Install the spark plug by following the steps
outlined below:
a - Carefully insert the spark plug back into the
cylinder head. Hand screw the spark plug
clockwise until it bottoms out (seats).
b - Use a spark plug socket wrench to finish
tightening the spark plug. If reinstalling a
used spark plug, tighten approximately
1/8 to 1/4 of a turn after the spark plug
seats. If installing a new spark plug, tighten
approximately 1/4 to 1/2 of a turn after the
spark plug seats. The tightening torque
should not exceed 17 Nm (13 lb-ft).
c - Reinstall the spark plug boot, making sure
the boot fully engages onto the spark plug's
terminal.
10. Reinstall the engine access cover.
SPARK ARRESTER
MAINTENANCE
Tools required – #2 Phillips head screwdriver and
wire brush.
Check and clean the spark arrester after every
100 hours of use or 6 months.
1. Stop the generator and let it cool for several
minutes if it's been running.
2. Move the generator to a flat, level surface.
3. Remove the muffler access cover by undoing
the four screws affixing it to the generator
casing (see Figure 25). Clean the cover and
especially its vent holes with a rag or brush and
then place it aside.
Figure 25 – Removing the Muffler Access Cover
4. Loosen the spark arrester band clamp and slide
it off the spark arrester collar (see Figure 26).
5. Loosen the locking screw and pull the spark
arrester collar and screen off the muffler exhaust
pipe (see Figure 27).
MAINTENANCE
Figure 26 – Removing the Spark Arrester Band
Clamp
Figure 27 - Removing the Spark Arrester Collar
and Screen
6. Use a wire brush to remove any exhaust
deposits that may have collected on the spark
arrester screen.
7. If the spark arrester screen shows signs of wear
such as rips, tears or large openings, it should
be replaced.
8. Reinstall the spark arrester components in the
following order:
a - Insert the spark arrester screen into its collar
and then slide this assembly onto the muffler
exhaust pipe. Take care to align one of the
slots in the collar with the locking screw.
Push the collar on firmly to ensure that the
screen is well seated and tighten the locking
screw.
b - Place the spark arrester band clamp over
the collar with the gap in the band clamp
aligned with the collar locking screw. Then
tighten the adjusting screw on the band
clamp.
9. Reinstall the muffler access cover.
22
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