Air Cleaner; Muffler; Clean Engine; Spark Plug - Craftsman 247.796890 Owner's Manual

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 completely
assembled-
To Service Air Cleaner:
Clean and re-oil foam pro-cleaner at three month
intervals or every 25 hours, whichever occurs first:
See figure I7 Service more often under dusty
conditions
1, Remove knob and coven
2, Remove foam pre-cleaner by sliding it off the
paper cartridge.
ao Wash foam pre-cleaner in liquid detergent
and water_
b Wrap foam pre-cleaner in cloth and squeeze
dry.
c Saturate foam pre-cleaner in clean engine
oil, Sqeeze to remove excess oil
3. Install faom pre-cleaner over paper cartridge°
Reassemble cover and screw down tight,
Replace and clean cartridge included with dual
element air cleaner yearly or every 100 hours,
Service more often if necessary.
Clean cartridge by tapping gently on a flat surface
If very dirty, replace cartridge or clean as fotlows:
a Wash in a tow or non-sudsing detergent and
warm water solution CAUTION: Do not use
petroleum solvents such as kerosene, to clean
cartridge
b. Rinse thoroughly with flowing water from
inside out until water is clear.
4_
c AHow cartridge to stand and air dry thoroughly
before using DO NOT OIL CARTRIDGE, DO
NOT USE PRESSURIZED AIR TO CLEAN OR
DRY CARTRIDGE
Install cartridge and pre-cleaner then the cover,
Screw knob down securely,
(_Tj-._----_ Knob
" ._' Cover
j
.i,(_ " ¢<1&_£._¢___,._-- Cart ridge
MUFFLER
Do not operate the chipper-shredder without a muffler
or tamper with the exhaust system Damaged mufflers
or spark attesters could create a fire hazard inspect
periodicalty, 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
CLEAN ENGINE
Clean engine perlodicailyl Remove dirt and debris with
a cloth or brush Cleaning with a forceful spray of water
is not recommended as water could contaminate the
fuel system,
Yearly or every 50 hours, whichever occurs first, remove
the blower housing and clean the areas shown in figure
18 to avoid overspeeding, overheating and engine
damage Clean more often if necessary,
Periodically clean muffler area to remove
all grass, dirt and combustible debris,
FIGURE 18
Clean Out
Chaff and
Dirt
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 Spark plug replacement is recommended at
the start of each season, Refer to engine parts list for
correct spark plug type
NOTE: Do not blast clean spark plug Spark plug should
be cleaned by scraping or wire brushing and washing
with a commercial solvent
,030 Feeler Guage
Spark Plug
FIGURE !7_
FIGURE !9,
10