Craftsman 580.327071 owner manual Engine Performance Problems

SERVICE AND ADJUSTMENTS

ENGINE PERFORMANCE PROBLEMS

If your engine is running below its normal performance level, you could check for the following problems:

Check Compression: Remove spark plug and hold thumb over spark p_ug hole while cranking engine. Compression should be sufficient to push thumb off the opening If compression appears low, check for the following:

•Loose cylinder head bolts. = Blown headgasket

= Worn or damaged engine

Contact Sears Service Center to repair these problems.

Check Carburetion: Make sure gas tank is filled with clean, fresh gasoline. Make sure fuel shutoff valve is open_ Make sure fuel flows freely through fuel line between tank and carburetor Crank engine several times, then remove spark plug. if plug is wet, look for the following:

o Overchoking

,,Rich fuel mixture o Water in fuel

• Intake valve stuck open

If plug is dry, look for the following: ,, Leaking carburetor gaskets

°Gummy or dirty carburetor

• Intake valve stuck closed

If you find any of these problems, contact your nearest Sears Service Center

Check Ignition: Remove spark plug wire from plug and hold metal terminal end of wire near engine metal part. Crank engine. If spark occurs, try a new spark plug If no spark occurs, contact Sears Service Center.

STORAGE

GENERAL

The generator should be started at least once every seven days and aIIowed to run at least 30 minutes If this cannot be done and you must store the unit for more than 30 days, use this information as a guide to prepare it for storage

STORAGE INSTRUCTIONS

._	WARNING! NEVER STORE ENGINE WITH FUEL 1N
	THE TANK INDOORS OR ENCLOSED, POORLY
	VENTILATED AREAS, WHERE FUMES CAN
	REACH AN OPEN FLAME_ SPARK, OR PILOT
	LIGHT AS ON A FURNACE, WATER HEATER,
	CLOTHES DRYER OR OTHER GAS FURNACE.

ENGINE:

,,Run the engine for about five minutes to warm it

oNOTE: If you did use "gasohol," drain fuel tank, then run engine until engine stops from lack of fuel.

TAINER OUTDOORS, AWAY FROM OPEN FLAME,

i,_ WARNING! DRAIN FUEL INTO APPROVED CON-

BE SURE ENGINE IS COOL

IMPORTANT: EXPERIENCE INDICATES THAT ALCO- HOL-BLENDED FUELS (CALLED GASOHOL OR USING ETHANOL OR METHANOL) CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE ACIDIC GAS CAN DAMAGE THE FUEL SYSTEM OF AN ENGINE WHILE IN STOR- AGE TO AVOID ENGINE PROBLEMS WHEN USING

GASOHOL, THE FUEL SYSTEM SHOULD BE EMPTIED BEFORE STORAGE PERIODS OF 30 DAYS OR LONGER DRAIN THE GAS TANK, START THE ENGINE AND LET IT RUN UNTIL THE FUEL LINES AND CARBU- RETOR ARE EMPTY USE FRESH FUEL NEXT SEA- SON SEE STORAGE iNSTRUCTIONS FOR ADDI-

TIONAL INFORMATION NEVER USE ENGINE OR CAR- BURETOR CLEANER PRODUCTS IN THE FUEL TANK OR PERMANENT DAMAGE MAY OCCUR

NOTE: Using a fuel additive such as Sears Craftsman ® Fuel Stabilizer, or an equivalent, will prevent gum deposits from forming in the generator's fuel system

oWhile engine is stil! warm, drain oil from crankcase, Refill with fresh oil See SPECIFICATIONS for oil recommendations on Page I

°Remove spark plug and pour about t/2 ounce (15ml) of engine oil into the cylinder Replace spark plug but do not connect spark plug wire Crank slowly to distrib- ute oil.

i cranking engine slowly. 1

•Install spark plug Do not connect spark plug wire.

oClean dirt, oil, and grease from cylinder, cylinder head, fins, blower housing, rotating screen and muffler area.

=Store generator in clean, dry area

GENERATOR:

°Clean the generator as outlined on Page 9 ('q'oClean the Generator")

oCheck that cooling air slots and openings on generator are open and unobstructed

OTHER STORAGE TIPS:

=Do not store gasoline from one season to another.

,,Replace your gaso3ine can if it starts to rust Rust and/or dirt in your gasoline can cause problems when you use it with this unit

=Do not store the generator under any plastic cover Plastic cannot breathe, allowing moisture to form This condensation can cause your generator to rust

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