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17
MAINTENANCE
CLEAN AIR SCREEN
Air screen must be kept free of dirt and chaff to prevent
engine dam age from overheating. Clean with a wire brush
or compressed air to re move dirt and stubborn dried gum
fi bers.
CLEAN AIR INTAKE/COOLING AREAS
To insure proper cooling, make sure the grass screen,
cooling fi ns, and other external surfaces of the engine are
kept clean at all times.
Every 100 hours of operation (more often under extremely
dusty, dirty conditions), remove the blower housing and
other cooling shrouds. Clean the cooling fi ns and external
surfaces as necessary. Make sure the cooling shrouds are
reinstalled.
NOTE: Operating the engine with a blocked grass screen,
dirty or plugged cooling fi ns, and/or cooling shrouds re moved
will cause engine damage due to overheating.
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 and cover.
• Remove wing nut and air cleaner from base.
TO SERVICE PRE-CLEANER
• Slide foam pre-cleaner off cartridge.
• Wash it in liquid detergent and water.
• Squeeze it dry in a clean cloth. Allow 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 not wash the paper cartridge or use pressurized
air, as this will damage the cartridge.
• Reinstall the pre-cleaner (cleaned and oiled) over the
paper cartridge.
• Reassemble air cleaner, wing nut, cover and tighten
knob securely.
FIG. 14
AIR CLEANER
COVER
AIR
SCREEN
FOAM
PRE-CLEANER
AIR CLEANER
PAPER CAR TRIDGE
OIL FILL CAP/
DIPSTICK
AIR CLEAN ER
BASE
WING NUT
COVER KNOB
RUBBER
GROMMET
ENGINE OIL FILTER
Replace the engine oil fi lter every season or every other
oil change if the tractor is used more than 100 hours in
one year.