CLEAN AIR SCREEN Airscreenmustbe keptfreeof dirtand chaffto preventenginedamagefromover- heating.Cleanwith a wire brush or com-
pressed air to remove dirt and stubborn
dried gum fibers.
AIR FILTER
Your engine will not run properly using a
dirty air filter. Clean the foam
100 hours of operation or every 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
•Slide foam
•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 car-
tridge.
NOTE: Do not wash the paper cartridge or use pressurized air, as this will damage the cartddge.
•Reinstall the
•Reassemble air cleaner, wing nut, cover
and tighten knob securely.
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 dustyrdi_y 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
Inspect and replace corroded muffler and spark arrester (if equipped) as it could cre- ate 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 uPRODUCT SPECIFICATIONS" section of this manual.
ENGINE OIL FILTER
Replace the engine oil filter every season or every other oil change if the tractor is used more than 100 hours in one year.
•Drain oil from engine crankcase (See =TO CHANGE ENGINE OIL" in this sec-
tion of this manual, through step remove drain plug).
•Remove oil filter and wipe off filter adapter.
•Apply a thin coating of new engine oil to the rubber gasket on replacement oil fil- ter.
•Install replacement oil filter on filter adapter. Turn oil filter clockwise until rubber gasket contacts the filter adapter, then tighten filter an additional 1/2 turn.
•Fill crankcase with new oil (See =TO
CHANGE ENGINE OIL" in this section of this manual). For approximate capac-
ity see "PRODUCT SPECIFICATIONS" section of this manual.
•Start the engine and check for oil leaks. Correct any leaks before placing engine into full operation.
Oil Filter /
IN-LINE FUEL FILTER
The fuel filter should be replaced once each season. If fuel filter becomes
clogged, obstructing fuel flow to carbure- tor, replacement is required.
•With engine cool, remove filter and plug fuel line sections.
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