Service spark plug, Carburetor, Spark arrester service – Craftsman 580.752400 User Manual

Page 17: Air cooling system, Warning

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Service Spark Plug

Service the spark plug every 100 hours of operation or

yearly, whichever occurs first.

1. Clean area around spark plug.

Remove and inspect spark plug.

Replace spark plug if electrodes are worn, or if

insulator is cracked or chipped.

For replacement use either the standard resistor

spark plug, Champion RC12YC or the long life

platinum spark plug. Champion RC12PYP.

Check electrode gap with wire feeler gauge and

set gap at 0.020 inches (0.50mm), if necessary.

6. Install spark plug, tighten securely.

NOTE: You can purchase a new spark plug by calling
1^800^366^PART.

Carburetor

If you think your carburetor needs adjusting, see your

nearest Sears service center. Engine performance
may be affected at altitudes above 3000 feet. For

operation at higher elevations, contact your nearest

Sears service center.

Spark Arrester Service

Your engine is not factory-equipped with a spark
arrester. In some areas, it is illegal to operate an
engine without a spark arrester. Check local laws and

regulations. A spark arrester is available from your
nearest Sears service center. If you need to order a

spark arrester, please call 1-800-366-PART.

The spark arrester must be serviced every 50 hours to

keep it functioning as designed.

If the engine has been running, the muffler will be very

hot. Allow the muffler to cool before servicing the

spark arrester.

• Remove spark arrester screen for cleaning and

inspection.

• Replace if screen is damaged.

WARNING

M

Running engines produce........

Temperature of muffler and nearby
can reach or exceed ISO'^F (65''C).
Severe burns can occur on co
Combustible debris, such as le

brush, ect. can catch fi

I

DO NOT touch hot surfaces.

Allow equipment to cool before touching.

The pressure washer must be at least 5 feet from

structures having combustible walls and/or other
combustible materials.

Keep at least 3 feet of clearance on all sides of pressure

washer for adequate cooling, maintenance and servicing.

In the State of California a spark arrester is required by law

(Section 4442 of the California Public Resources Code).
Other states may have similar laws. Federal laws apply on

federal lands. If you equip the muffler with a spark arrester,

it must be maintained In effective working order.

Air Cooling System

Over time debris may accumulate in cylinder cooling

fins and cannot be observed without partial engine

disassembly. For this reason, we recommend you

have an authorized Sears service dealer clean the
cooling system per recommended intervals (see

“Maintenance Schedule” on page 13). Equally

important is to keep top of engine free from debris.
See “Clean Debris”.

17

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