Craftsman Essential Maintenance Guide for Lawn Mowers 917.28924 and 917.289240

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. Replace 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.

1.Pull up on airfilter cover handle and rotate towards engine.

2.Remove cover.

3.Carefully remove air filter cartridge and pre-cleaner from base.

4.Clean base carefully to prevent debris from falling into carburetor.

Handle

Cover

NOTE: If very dirty or damaged, replace cartridge.

5. Place new pre-cleaner and cartridge firmly in base.

6.Align tabs on cover with slots in blower housing and replace cover.

7.Hook handle on cover and push down on handle to dose.

iMPORTANT: Petroleum solvents, such as kerosene, are not to be used to clean the

cartridge. They may cause deterioration of

the cartridge. Do not oil cartridge. Do not use pressurized air to clean cartridge.

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 airto remove dirt and stubborn dried gum fibers.

ENGINE COOLING SYSTEM

Debris may clog the engine's air cooling system. Remove blower housing and clean

area shown to prevent overheating and engine damage.

	Clean out chaff
Air Screer_..	and debris

MUFFLER

Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or damage.

SPARK PLUG(S)

Replace spark plug(s) atthe 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, ob- structing fuel flow to carburetor, 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 carburetor.

3.Be sure there are no fuel line leaks and clamps are properly positioned.

4.Immediatelywipe up any spilled gasoline.

Clamp

19