Weed Eater 187637 Clean Air Screen, ENGINE COOLING FINS See Fig, AIR FILTER See Fig, Maintenance

MAINTENANCE

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 stubborn dried gum fibers.

ENGINE COOLING FINS (See Fig. 12)

Remove any dust, dirt or oil from engine cooling fins to prevent engine damage from overheating. Hood and engine blower housing must be removed to clean engine cooling fins.

•Remove hood (See “TO REMOVE HOOD AND GRILL ASSEMBLY” in the Service and Adjustments section of this manual).

•Remove screws securing air cleaner body and remove. (Cover carburetor opening to prevent entry of dirt).

•Remove oil fill dipstick and cover opening to prevent entry of dirt.

•Remove screws from blower housing and lift housing off engine.

•Use compressed air or stiff bristle brush to thoroughly clean engine cooling fins.

•To reassemble, reverse above procedure.

•Be certain carburetor tube, breather tube and gaskets are in place.

SCREW	AIR CLEANER COVER
BLOWER	SCREWS
HOUSING
SCREW
COOLING FINS	GASKETS
	BREATHER
CYLINDER	TUBE
HEAD
COVER
	CARBURETOR
	TUBE
SPARK
PLUG
	MUFFLER

FIG. 12

AIR FILTER (See Fig. 13)

Your engine will not run properly using a dirty air filter. Remove cartridge every 25 hours of operation and tap to clean. Replace paper cartridge once a year or after every 100 hours of operation, more often if used in very dusty, dirty conditions.

•Remove knobs and cover.

•Remove foam pre-cleaner element by sliding it off of the paper cartridge.

NOTE: Do not attempt to clean or oil the paper cartridge. Replace paper cartridge once a year or after every 100 hours of operation; more often if used in very dusty or dirty conditions.

•Wash foam pre-cleaner in liquid detergent and water.

•Wrap foam pre-cleaner in cloth and squeeze dry.

•Lightly coat foam pre-cleaner with clean engine oil. Squeeze in towel to remove excess oil. Do not sat- urate.

•Install foam pre-cleaner over paper cartridge.

•Reassemble cover and tighten knobs securely.

COVER KNOBS
	AIR
	CLEANER
OIL FILL CAP/DIPSTICK	COVER
	CARTRIDGE
AIR SCREEN	FOAM
	PRE-CLEANER

AIR

CLEANER

BODY

OIL DRAIN PLUG

FIG. 13

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