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Ifnecessary, replace
p aper filter(do not attempt
to clean). Installnew filter on base.
Slide pre-cleaner over filter.
Install cover and wing nut.
Tightenwing nut securely.
Clean Engine
Clean engine periodically. Remove dirt and
debris with a clothor brush.
Frequently remove grass clippings, dirt and
debris from cooling fins,air intake screen and
levers and linkage. See figure 14. This will help
ensure adequate cooling and correct engine
speed.
Clean cooling
Figure 14
Yearly or every 25 hours, whicheveroccursfirst,
remove the blower housing and clean the areas
shownin figure 14 to avoidoverspeeding,
overheatingand engine damage. Clean more
often if necessary.
NOTE: Cleaning with a forceful spray of water is not
recommended as water could contaminatethe 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.
' Feeler (
Plug
Figure 15
NOTE: Do not sandblast spark plug. Spark plug
should be cleaned by scrapingor wire brushing and
washing witha commercialsolvent.
Muffler
A
WARNING:
Do not operate the chipper-
shredder without a muffler, or tamper with
the exhaust system. Damaged mufflersor
spark arresterscould create a fire hazard.
Inspect periodically, and replace if necessary. If
your engine is equipped with a spark arrester
screen assembly, remove every 50 hours for
cleaning and inspection. Replace if damaged.
&
WARNING:
Always stop engine,
disconnect spark plug wire, and move it
away from spark plug before performingany
adjustmentsor repairs.
LUBRICATION
Lubricate the pivot points on the release bar, hopper
assembly, chute deflector and chipper chute once a
season using a light oil. See figure 16
Figure 16: Lubrication
Chart
13
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