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theengine without a ircleaner c ompletely a ssembled.
ToService
Air Cleaner:
1.
Service pre-cleaner after every 25 hours of use,
or at least once a season.
2.
Service filter every 100 hours of use, or at least
once a season.
3.
Service pre-cleaner and filter more often under
dusty conditions.
-
Remove wing nut and cover.
•
Slide pre-cleaner off filter. Clean the inside of
base and cover thoroughly.
L
Fins
NUT
PAPER
FOAMFILTER(IF SO EQUIPPED)
Figure 13
Clean pre-cleaner as follows:
a. Wash in water and detergent solution, and
squeeze (do not twist) until all dirt is
removed.
b.
Rinse thoroughly in clear water.
c. Wrap in a clean cloth and squeeze (do not
twist) until completely dry, or allow to air dry.
d. Saturate with engine oil and squeeze (don't
twist) to distribute oil and remove excess oil.
NOTE: If the pre-cleaner is torn or damaged in any
way, replace it.
•
If necessary, replace paper filter (do not attempt
to clean). Install new filter on base.
•
Slide pre-cleaner over filter.
•
Install cover and wing nut.
°
Tighten wing nut securely.
Clean Engine
•
Clean engine periodically. Remove dirt and
debris with a cloth or brush.
°
Frequently remove grass clippings, dirt and
debris from cooling fins, air intake screen and
levers and linkage. This will help ensure
adequate cooling and correct engine speed.
See figure 14
Figure 14
Yearly or every 25 hours, whichever occurs first,
remove the blower housing and clean the areas
shown in figure 14 to avoid overspeeding,
overheating and engine damage. Clean more
often if necessary.
NOTE: Cleaning with a forceful spray of water is not
recommended
as water could contaminate the fuel
system.
WARNING:
Temperature of muffler and
nearby areas may exceed 150 ° F(65°C).
Avoid these areas.
Spark Plug
Clean the spark plug and reset the gap to .030"
at least once a season or every 50 hours of
operation. See figure 15. Spark plug
replacement is recommended at the start of
each season. Refer to engine parts list for
correct spark plug type.
.030" Feeler Gauge
zrk Plug
Figure 15
NOTE: Do not sandblast spark plug. Spark plug
should be cleaned by scraping or wire brushing and
washing with a commercial solvent.
13
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