Air Cleaner; Spark Plug - Craftsman 247.797851 Owner's Manual

Whenengine isdrained ofalloil.replace drainptug
securely ....
e Refill w ithfresh oil Above32°, useoil labeled SAE
30Wor 10W30Below32°, useoil labeled 5W20
Capacity is approximately 1
V_,pints Refer to "Gas
and Oil Fill-Up" on page 8
e 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
Never run your engine without air cleaner complete-,
ly assembled,
To Service Air Cleaner:
Clean cartridge at three month intervals or every 25
hours, whichever occurs first See figure 15, Service
more often under dusty conditions
e Loosen screws and tilt cover as illustrated
e Carefully remove pre-cleaner and cartridge
Clean cartridge by tapping gently on a flat surface
If very dirty, replace cartridge and pro-cleaner or
clean as follows:
Wash in a low or nomsudsing detergent and warm
water solution CAUTION: Do not use petroleum
solvents such as kerosene to clean cartridge
Rinse thoroughly with flowing water from inside out
_.mtilwater is clear
Allow cartridge to stand and ail dry thoroughly
before using DO NOT OIL CARTRIDGE OR PRE-
CLEANER DO NOT USE PRESSURIZED AIR TO
CLEAN OR DRY CARTRIDGE,
o Install cartridge and pre-cleaner Then close cover
and fasten screws securely
is not recommended as water could contarninate the
fuel system
Yearly or every 25 hours, whichever occurs first,
remove the btower housing and clean lhe areas shown
in figure 16 to avoid overspeeding, overheating and
engine damage Clean mere often if necessary
WARNING: PERIODICALLY CLEAN MUF_
FLER AREA TO REMOVE ALL GRASS,
DIRT AND COMBUSTIBLE DEBRIS
Clean Out
_ Chaff and Dirt
FIGURE 16_
SPARK PLUG
The spark plug should l_e 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 starl of eachseason. Refer to
engine parts fist for correct spark plug type,
NOTE: Do not sandblast sPark plug Spark plug should
be cieaned by scraping or wire brushing and washing
with a commercia! solvent
Screw
i_. Base
FIGURE 15.
CLEAN ENGINE
Clean engine periodically Remove dirt and debris with
a ctoth or brush Cleaning with a forceful spray of water
tt
Spark Plug
FIGURE 17.
MUFFLER
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 reptace if necessary If your engine
is equipped with a spark arrestor screen assembly,
remove every 50 t_ours for cleaning and inspection
Replace if damaged
CLEANING
e The chipper-shredder may be cleaned by running
water from a hose through the hopper assembly and
chipper chute with the engine running Allow the
chipper-shredder to dry thoroughly
e Wash the bag periodically with water Attow to dry
thoroughly in the shade Do not use heat