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.
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.
1. Loosen knob and remove cover.
TO SERVICE PRE-CLEANER
2.Slide foam
3.Wash it in liquid detergent and water.
4.Squeeze it dry in a clean cloth. Allow it to dry.
5.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 cartridge.
1.Remove nut and cartridge plate.
2.Reinstall the
3.Check rubber seal for damage and proper position around stud. Replace if necessary.
4.Reassemble air cleaner, cartridge plate, and nut.
5.Reinstall air cleaner cover and secure by tightening knob.
CLEAN AIR SCREEN
Air screen must be kept free of dirt and chaff to prevent engine damage from overheating. Clean with a wire brush or compressed air to remove dirt and stub- born dried gum fibers.
CLEAN AIR INTAKE/COOLING AREAS
To insure proper cooling, make sure the grass screen, cooling fins, and other exter-
nal 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 cool- ing 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 removed 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 PLUG(S)
Replace spark plug(s) 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" section of this manual.
IN-LINE FUEL FILTER
The fuel filter should be replaced once each season. If fuel filter becomes
clogged, obstructing fuel flow to carbu- retor, replacement is required.
1.With engine cool, remove filter and plug fuel line sections.
2.Place new fuel filter in position in fuel
line with arrow pointing towards carbu- retor.
3.Be sure there are no fuel line leaks and clamps are properly positioned.
4.Immediately wipe up any spilled gaso- line.
Clamp
21
