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AIRCLEANER
Theaircleanerpreventsdamagingdirt,dust,etc,
fromenteringthecarburetorandbeingforcedintothe
engine and is importantto engine life and per-
formance
Never run your engine without air cleaner com-
pletely assembled.
To Service Air Cleaner:
Service pre-cleaner after every 25 hours of use, or at
least once a season.. Service filter every 100 hours of
use, or at least once a season.. Service pro-cleaner and
filter more often under dusty conditions.
e Remove wing nut and cover. See figure t5
e Slide pre-cleaner off filter_ Clean the inside of base
and cover thoroughly.
• Clean pre-cleaner as follows.
Wash in water and detergent solution, and squeeze
(do not twist) until all dirt is removed°
Rinse thoroughly in clear water.
Wrap in a clean cloth and squeeze (do not twist)
until completely dry, or allow to air dry.
® If necessary, replace filter (do not attempt to clean)..
e Install new filter on base.. Slide pre-cleaner over
filter_
e Install cover and wing nut° Tighten wing nut
securely.
Base Filter
FIGURE 15.
Pre-Cleaner Wing
Cover
CLEAN ENGINE
Clean engine periodically Remove dirt and debris
with a cloth or brush, Cleaning with a forceful spray of
water is not recommended as water could contami-
nate the fuel system.
Yearly or every 25 hours, whichever occurs first,
remove the blower housing and clean the areas
shown in figure 16 to avoid overspeeding, overheating
and engine damage. Clean more often if necessary.
WARNING: PERIODICALLY CLEAN MUF-
FLER AREA TO REMOVE ALL GRASS,
DIRT AND COMBUSTIBLE DEBRIS.
FIGURE 16.
SPARK PLUG
The spark plug should be cleaned and the gap reset
to .030" at least once a season or every 50 hours of
operation° See figure 17. Spark plug replacement is
recommended at the start of each season.. Refer to
engine parts list for correct spark plug type_
NOTE: Do not sandblast spark plug. Spark plug
should be cleaned by scraping or wire brushing and
washing with a commercial solvenL
,030" Feeler Gauge
_rk Plug
FIGURE 17,
MUFFLER
Do not operate the chipper-shredder without a muffler
or tamper with the exhaust system. Damaged mufflers
or spark arrestors could create a fire hazard. Inspect
periodically, and replace if necessary. If your engine
is equipped with a spark arrestar screen assembly,
remove every 50 hours for cleaning and inspection
Replace if damaged.
12
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