CLEAN UNDER ENGINE COVER

Clean under engine cover before each use, or more frequently in heavy cutting or dirty conditions. Engine cover screen and engine air intake screen must be kept free of dirt and chaff to prevent engine damage from overheating.

KnobEngine cover

Engine cover

Unscrew knob on top of cover.

Lift cover up and away from engine.

Clean cover and cover screen thor- oughly.

Clean top of engine and air intake screen.

Replace engine cover and tighten knob securely. Be sure the front tabs engine cover are located in the slots engine housing.

Threaded

screen

Starter

rope

Air intake screen

Housing slots

_1, CAUTION: Before performing any service and adjustments:

Stop engine.

Make sure the rotating lines and all moving parts have completely stopped.

Disconnect spark plug wire from spark plug and place where it cannot come in contact with plug.

TRIMMER

TO REMOVE/REPLACE TRIMMER HEAD

DRIVE BELT

Remove screw at front of chassis cover.

Lift cover up and away from trimmer.

Turn trimmer on its side with carburetor and fuel cap up.

Remove belt from engine pulley on crankshaft.

Remove belt from trimmer head pulley.

Remove idler assembly from chassis and remove belt and idler from trimmer.

Remove belt from idler assembly by removing bottom belt keeper and idler pulleys.

Assemble new belt, idler pulleys and bottom belt keeper to idler bracket. Tighten pulley bolts securely.

Be sure belt is inside top belt keeper on idler assembly.

Position belt and idler assembly in trimmer and assemble idler to chassis.

Tighten securely.

Install belt around trimmer head pulley and engine pulley.

Replace chassis cover and tighten screw securely.

Always use Craftsman replacement parts to assure proper fit and long life.

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Craftsman 917.77341 owner manual Clean Under Engine Cover, To REMOVE/REPLACE Trimmer Head Drive Belt