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CUSTOMER RES
CLEAN AIR SCREEN (See Fig. i6)
Air screen must be kept free of dirt and chaff to prevent
engine damage from overheating, Cleanwith a wirebrush
or compressed air to remove dirtand stubborn dried gum
fibers_
AIR FILTER (See Fig. 16)
Your engine will not run propedy using a dirty air filter°
Clean the foam pre-cleaner after every 25 hours ofopera-
tionor every season,, Service paper cartridge every 100
hoursofoperationor every"season,whichever occursfirst,
Service air cleaner more often under dusty conditions.
• Remove knob and cover.
• Remove wing nut and air cleaner from base°
TO SERV CE PRE-CLEANER
• Slide foam pre-cleaner off cartridge.
• Wash it in liquiddetergent and water,
• Squeeze itdry in a clean cloth.,
• Saturate it in engine oil. Wrap it in clean, absorbent
clothand squeeze to remove excess oil,
TO SERVICE CARTRIDGE
BILITIES
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CLEAN AIR INTAKE/COOLING AREAS
To insure proper cooling, make sure the grass screen,
cooling fins, 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 fins 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 fins, and/or cooling shrouds re-
moved will cause engine damage due to overheating
MUFFLER
Inspectarid re,place corroded muffler and spark arrester (if
equipped) 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 !00 hours of operation, whichever
occurs first. Spark plug type and gap setting are shown in
"PRODUCT SPECIFICATIONS" on page 3 of this manual..
. Gently tap the flat side of the paper cartridge to dis-
lodge dirt, Do not wash the paper cartridge or use
pressurized air, as this will damage the cartridge.
Replace a dirty, bent, or damaged cartridge,
• Reinstall the pre-cleaner (cleaned and oiled) over the
paper cartridge.
• Reassemble air cleaner, wing nut, cover and tighten
knob securely°
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