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CLEAN AIR INTAKE/COOLINGAREAS
Toinsurepropercooling, makesure the
grass screen,cooling fins, and other
externalsurfacesof the engineare kept
cleanat all times.
Every100hours of operation(moreoften
underextremelydusty,dirtyconditions),
removethe blower housingand other
cooling shrouds.Cleanthe coolingfins
and externalsurfaces as necessary.Make
sure the coolingshroudsare reinstalled.
NOTE: Operatingthe enginewith a
blockedgrassscreen, dirty or plugged
cooling fins,and/or coolingshroudsre-
movedwillcauseengine damagedue to
overheating.
AIR FILTER
Yourenginewill not run properly usinga
dirty airfilter, _€lean 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 occurs first.
Service air cleaner more often under dusty
conditions.
• Loosen knob and remove 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. Allow it
todry.
• 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 car-
tridge.
Cartridge
Foam
Pre-cleaner
Cartridge
Plate
Rubber
Seal
NOTE: Do not wash the paper cartridge
or use pressurized air, as this will damage
the cartridge.
• Remove nut and cartridge plate.
• Reinstall the pre-cleaner (cleaned and
oiled) over the paper cartridge.
• Check rubber seal for damage and
proper position around stud. Replace if
necessary.
• Reassemble air cleaner, cartridge plate,
and nut.
• Reinstall air cleaner cover and secure
by tightening knob.
ENGINE OIL FILTER
Replace the engine oil filterevery season
or with every second oil change if the trac-
tor is used more than 100 hours in one
year.
MUFFLER
Inspectand replace corrodedmufflerand
spark arrester (ifequipped) as it couldcre-
ate a fire hazard and/or damage.
SPARK PLUGS
Replace spark plugsat the beginningof
each mowingseason or after every 100
hours of operation,whichever occurs first.
Spark plugtype and gap settingare
shown in =PRODUCT SPECIFICATIONS"
on page 5 ofthis manual.
IN-LINE FUEL FILTER
The fuel filter shouldbe replacedonce
each season. If fuel filter becomes
clogged, obstructingfuel flow to carbure-
tor, replacement is required.
• With engine cool, removefilter and plug
fuel linesections.
• Place new fuel filterin positioninfuel
linewitharrowpointingtowardscarbu-
retor.
• Be sure there are no fuel line leaks and
clamps are pl'_perlypositioned.
Clamp
Filter
Knob
22
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