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CUSTO RESPON BILITmES
CLEAN AIR SCREEN (See Fig. 16)
Air screen must be kept free of dirt and chaff to prevent
engine damage from overheating. Clean with a wire brusll
or compressed air to remove dirt and stubborn drieU gum
fibers°
AIR FILTER (See Fig. 16)
Your engine will not run properly using a dirty air filter_
Clean the foam pre-cieaner after every 25 hours of opera-
tion or every season, Service paper cartridge every 100
hours of operation or evei'y season, whichever Occurs first°
Service air cleaner more often under dusty conditions.
• Remove knob and cover,
° Remove wing nut and air cleaner from base.
TO SERVICE PRE-CLEANER
. SIide foam pre-cleaner off cartridge.
- Wash it in liquid detergent and water.
- Squeeze it dry in a clean cloth. Atlow it to dry.
- Saturate it in engine oil. Wrap it in clean, absorbent
cloth and squeeze to remove excess oil,
TO SERVICE CARTRIDGE
• Replace a dirty, bent, or damaged cartridge_
NOTE: Do notwashthepapercartridgeorusepressudzed
air, as this wilt damage the cartridge.,
= Reinstall the pre-cleaner (cleaned and oiled) over the
paper cartridge.
o Reassemble air cleaner, wing nut, cover and tighten
knob securely.
CLEAN AIR INTAKE/COOLING AREAS
To insure proper cooling, make sure th_ grass _creen_
cooling fins, and other external surfaces of the engine _.re
kept clean at ali times.
Every 1O0 hours of operation (more often under extremely
dusty, dirty conditions), remove the b{ower housing and
other cooling shrouds. Clean the cooling fins ahd exterhal
surfaces as necessary. MaRe sure the Cooling shrouds ale
reinstalled.
NOTE; Operating the engirie with a blocked gras¢ screen,
dirty or plugged cooling fins, and/or cooling shrouds re-
moved will cause engine damage due to overheating,
MUFFLER
inspect and replace corroded muffler and spark arrester (if
eqt,_ipped) as it could create a fire hazard and/or damage
SPARK PLUGS
Replace spark plugs at the beginning of each mowing
season or after every 100 hours of operation, whichever
occurs first. Spark plug type and gap setting are shown in
"PRODUCT SPECIFICATIONS" on page 3 of this manual
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