CUSTOMER RESPONSIBILITIES
CLEAN AIR SCREEN
Air screen must be kept free of dirt and chaff to prevent
engine damage from overheating. Clean with a wire brush or
compressed airto remove dirt and stubborn dried gum fibers.
ENGINE COOLING FINS (See Fig. 12)
Remove any dust, dirt or oil from engine cooling fins to
preventengine damage from overheating.
• Remove screws from blower housing and lift housing
and dipsticktube assembly off engine.
• Cover oil fill opening to prevent entry of dirt.
• Use compressed air or stiff bristle brush to thoroughly
clean engine cooling fins.
• To reassemble, reverse above procedure.
,SCREWS BLOWER
HOUSING
SCREWS
OIL FILL
TUBE
ASSEMBLY
ENGINE COOLING FINS
SPARK
PLUG
FIG. 12
AIR FILTER (See Fig. 13)
Yourengine willnot runproperlyusinga dirtyairfilter. Clean
the foam pre-cleaner after every 25 hours of operation or
every season. Service paper cartridge every 100 hours of
operation or every season, whichever occursfirst.
Service air cleaner more often under dusty conditions.
• Remove knob(s) and cover.
TO SERVICE PRE-CLEANER
• Slide foam pre-cleaner offcartridge.
• Wash itin liquiddetergent and water.
• Squeeze it dry in a clean cloth.
Saturate itinengine oil. Wrap itinclean, absorbent cloth
and squeeze toremove excess oil.
Ifvery dirty or damaged, replace pre-cleaner.
Reinstallpre-cleaner overcartridge.
• Reinstall cover and secure with knob(s).
TO SERVICE CARTRIDGE
Remove cartridge nut.
• Carefully remove cartridge topreventdebrisfrom enter-
ingcarburetor. Clean base carefully to prevent debris
from enteringcarburetor.
• Cleancartridgebytappinggentlyonflatsurface. If very
dirty or damaged, replace cartridge.
• Reinstall 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.
COVER
KNOB
CARTRIDGE
NUT
_L,-- f _ PAPER
_ ', CARTRIDGE
"BASE
FIG. 13
17
