Craftsman 247.775880 - Manual (Page 12)

CUSTOMER RESPONSIBILITIES
MAINTENANCE
SCHEDULE
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SERVICE
DATES
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Oil pivot points
Clean shredder
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Check engine oil
Change engine oil
Service air cleaner
Clean engine
Reset spark plug
Clean muffler
Operating temperature. Refer to page 9 of this
manual for viscosity chart.
• The four-cycle engine of your chipper-shredder
will normally consume some oil. Therefore,
check engine oil level regularly approximately
every five hours of operation and before each
usage.
• Stop engine and wait several minutes before
checking oil level. With engine on level ground,
the oil must be to FULL mark on dipstick.
• Change engine oil after the first five hours of
operation, and every twenty-five hours
thereafter.
To Drain Oil
Drain oil while engine is warm. Follow the
instructions given below.
•
Remove oil drain plug. Catch oil in a suitable
container.
• When engine is drained of all oil, replace drain
plug securely.
• Refill with fresh oil. Refer to GAS AND OIL
FILL-UP section.
• Replace dipstick.
Air Cleaner
The air cleaner prevents damaging dirt, dust, etc.,
from entering the carburetor and being forced into
the engine and is important to engine life and
performance. The air cleaner consists of a pre­
cleaner or foam filter, and a paper filter.
Never run the engine without air cleaner completely
assembled.
To Service Air Cleaner:
1
.
2 .
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 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.
Clean pre-cleaner as follows: (See figure 13.)
a. Wash in water and detergent solution, and
squeeze(donottwist)untilalldirtisremoved.
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.
Foam Filter
Base
Paper Filter
Figure 13
NOTE: If the pre-cleaner is torn or damaged in any
way, replace It.
12