Craftsman 247.775880 - Manual (Page 13)

• 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. See figure 14. This will help
ensure adequate cooling and correct engine
speed.
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.
A
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.
Figure 15
NOTE: Do not sandblast spark plug. Spark plug
should be cleaned by scraping or wire brushing and
washing with a commercial solvent.
Muffler
▲
A
WARNING: Do not operate the chipper­
shredder without a muffler, or tamper with
the exhaust system. Damaged mufflers or
spark arresters could 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 performing any
adjustments or 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
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