Sears CRAFTSMAN 944.602151 Owner's Manual page 17

ENGINE COOLING FINS (See Fig. 13)
Remove any dust, dirt or oil from engine cooling fi ns to
prevent engine damage from overheating.
• Remove oil fi ll cap/dipstick.
• Remove hex bolts from blower housing and lift housing
off engine.
• Cover oil fi ll opening to prevent entry of dirt.
• Use compressed air or stiff bristle brush to thoroughly
clean engine cooling fi ns.
• To reassemble, reverse above procedure.
HEX
BOLTS
AIR SCREEN
OILL FILL/
DIPSTICK
TUBE
ENGINE COOLING FINS
AIR FILTER (See Fig. 14)
Your engine will not run properly using a dirty air fi lter. Clean
the foam pre-cleaner after every 25 hours of op er a tion or
every season. Service paper cartridge every 100 hours of
operation or every season, whichever occurs fi rst.
Service air cleaner more often under dusty conditions.
• Remove knob(s) and cover.
TO SERVICE PRE-CLEANER
• Slide foam pre-cleaner off cartridge.
• Wash it in liquid detergent and water.
• Squeeze it dry in a clean cloth.
• Saturate it in engine oil. Wrap it in clean, absorbent
cloth and squeeze to remove excess oil.
• If very dirty or damaged, replace pre-cleaner.
• Reinstall pre-cleaner over cartridge.
• Reinstall cover and secure with knob(s).
TO SERVICE CARTRIDGE
• Remove cartridge nut.
• Carefully remove cartridge to prevent debris from
en ter ing carburetor. Clean base carefully to prevent
debris from entering carburetor.
• Clean cartridge by tap ping gen tly on fl at surface. If
very dirty or damaged, replace cartridge.
• Re in stall cartridge, nut, precleaner, cover and secure
with knob(s).
IMPORTANT: PETROLEUM SOLVENTS, SUCH AS KEROSENE,
ARE NOT TO BE USED TO CLEAN THE CARTRIDGE. THEY
MAY CAUSE DETERIORATION OF THE CARTRIDGE. DO NOT
OIL CARTRIDGE. DO NOT USE PRESSURIZED AIR TO CLEAN
OR DRY CARTRIDGE.
MAINTENANCE
BLOWER
HOUSING
HEX
BOLTS
SPARK
PLUG
FIG. 13
COVER
KNOB
COVER
FOAM
PRE-CLEANER
MUFFLER
Inspect and replace corroded muffl er and spark arrester
(if equipped) as it could create a fi re hazard and/or dam-
age.
SPARK PLUGS
Replace spark plugs at the beginning of each mowing sea-
son or after every 100 hours of use, whichever comes fi rst.
Spark plug type and gap setting is shown in "PROD UCT
SPECIFICATIONS" section of this manual.
IN-LINE FUEL FILTER (See Fig. 15)
The fuel fi lter should be replaced once each season. If fuel
fi lter becomes clogged, ob struct ing fuel fl ow to car bu re tor,
re place ment is re quired.
• With engine cool, remove fi lter and plug fuel line sec-
tions.
• Place new fuel fi lter in position in fuel line with arrow
pointing towards carburetor.
• Be sure there are no fuel line leaks and clamps are
properly positioned.
• Immediately wipe up any spilled gasoline.
CLAMP
CLEANING
• Clean engine, battery, seat, fi nish, etc. of all foreign
matter.
• Keep fi nished surfaces and wheels free of all gasoline,
oil, etc.
• Protect painted surfaces with automotive type wax.
We do not recommend using a garden hose to clean your
tractor unless the electrical system, muffl er, air fi lter and
car bu re tor are covered to keep water out. Water in engine
can result in a shortened engine life.
17
CAR TRIDGE
NUT
PAPER
CARTRIDGE
BASE
FIG. 14
CLAMP
FUEL
FILTER
FIG. 15