Craftsman 580.7523 manual ServiceSparkPJug, Service Air Cleaner, Carburetor

Service Air Cleaner

Your engine will not run properly and may be damaged if you run it with a dirty air cleaner.

Cleanthe air cleaner once every 50 hours of operation or 3 months, whichever comes first. Service more often if

operating under dirty or dusty conditions. Replacethe paper filter element once every300 hours or once a year, whichever comes first. Replacementsare available at your local Sears service center.

To service the air cleaner, follow these steps:

1.Removewing nut (A) from air cleaner cover (B), and remove cover.

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2.Removewing nut (C) from air filter (O),and remove filter.

3.Removefoam filter (E) from paper filter.

4.Inspect both air filterelements. Replaceif damaged.

5.Cleanpaper air filterelement by tapping filter on a hard surface to remove dirt, or blow compressed air (not exceeding30 psi) through filter elementfrom inside.

IMPORTANT:NEVERtry to brush off dirt; brushing will force dirt into fibers.

6.Cleanfoam air filter element in warm soapy water, rinse and allow to dry thoroughly. Or clean in nonflammable solvent and allow to dry. Dip foam filter element in clean engine oil, then squeezeout all excessoil.

IMPORTANT:Enginewill smoke when started if too much oil is left in foam.

7.Using a moist rag, wipe dirt from inside of air cleaner base and cover. Becareful to prevent dirt from entering air duct that leadsto the carburetor.

8.Placefoam air filter element over paperelement and reinstall assembledair filter. Besure gasket is in place beneath air filter. Tighten air filter wing nut securely.

9.Install air cleaner cover andtighten cover wing nut securely.

NOTE:You can purchase new air filter elements by calling 1-800-4-MY-HOME(46g-4663).

ServiceSparkPJug

Checkand adjust the spark plug every 100 hours of operation or yearly, whichever occurs first. Replacethe spark plug every300 hours of operation or yearly, whichever occurs first.

1.Cleanarea around spark plug.

2.Remove and inspect spark plug.

3.Replacespark plug if electrodes are worn, or if insulator is cracked or chipped.

4.Checkelectrode gap with wire feeler gaugeand set gap at 0.028-0.031 inches (0.70-0.80 ram), if necessary.

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5.install spark plug, tighten securely.

NOTE:You can purchasea new spark plug by calling 1-800-4-1VlY-HOIVlE(46g-4663).

Carburetor

if you think your carburetor needs adjusting, see your nearest Searsservice center. Engineperformance may be affected at altitudes above 5000 feet. For operation at higher elevations,contact your nearestSears service center.

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