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Engine maintenance, Checking oil level, Changing oil – Craftsman 580.768030 User Manual

Page 13: Service air cleaner, Clean / replace spark plug, Carburetor

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ENGINE MAINTENANCE

Maintenance, replacement or repair of the

emissiott cojitrol devices and systems may be

performed by any non-road engine repair

establishment or individual.

Checking Oil Level

Oil level should be checked prior to each use or at
least every 5 hours of operation. Keep oil level
maintained.

Changing Oil

Change engine oil after the first two hours and pvery

50 hours thereafter. If you are using your cleaning
system under extremely dirty or dusty conditions, or in
extremely hot weather, change oil more often.

Change oil while engine is still warm from mnning, as

follows:

'

• Place a suitable container for draining oil beneath

the engine.

• Clean area around oil drain plug, remove plug and

drain oil completely. When crankcase is empty,

reinstall oil drain plug.

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oil until oil level is is at the full mark on the dipstick.
POUR SLOWLY.

• When engine crankcase is filled to proper level,

install and tighten oil dipstick.

Service Air Cleaner

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

Replace the air cleaner once every 100 hours of

operation or once each year, whichever comes first.

Replace more often if operating under dirty or dusty

conditions. Do not attempt to clean or oil filter.

Replacements are available at your local Sears

Authorized Sen/ice Center.

To clean or replace the air cleaner, follow these steps:

• Remove wing nut on the air cleaner cover.

Paper Element

Wing Nut

• Remove dirty paper element carefully to prevent

debris from falling into carburetor. Discard.

• Clean inside of filter case.

• Install new paper air filter.

• Reassemble all parts and fasten securely to the

carburetor with the wing nut.

Clean / Replace Spark Plug

Clean or replace the spark plug yearly or every 100
hours of operation.

A

CAUTION: Disconnect spark plug wire from

spark plug and keep wire away from spark plug.

Clean area around spark plug.

Remove and inspect spark plug.

Replace spark plug if the electrodes are pitted,

burned or porcelain is cracked. For replacement
use Champion RN4C or equivalent.

Check electrode gap with wire feeler gauge and set
gap at .030 inches, if necessary.

• Install spark plug, tighten securely.

Carburetor

If you think your carburetor needs adjusting, see your

nearest Sears Sen/ice Center. Engine performance
may be affected at altitudes above 4000 feet. For

operation at higher elevations, contact your nearest
Sears Sen/ice Center.

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