Service Air Cleaner/Spark Plug; Inspect Muffler And Spark Arrester - Craftsman 580.750400 Operator's Manual

Change oilwhile
engine is still warm from running, as
follows:
1. Drain fuel tank by running pressure washer until fuel
tank is empty.
2. Disconnect spark plug wire and keep it away from spark
plug.
3. Cleanarea around oil fill, remove oil fill cap/dipstick.
Wipe dipstick clean.
4. Tip your pressure washer to drain oil from oil fill into a
suitable container making sure you tip your unit away
from spark plug. When crankcase is empty, return
pressure washer to upright position.
5. Slowly pour recommended oil (about 15 oz.) into oil fill
opening. Pauseto permit oil to settle. Fill to FULL mark
(top hob) on dipstick.
6. Wipe dipstick clean each time oil level is checked. DO
NOT overfill.
7. Replace and tighten dipstick.
8. Wipe up any remaining oil.
9. Reconnect spark plug wire to spark plug.
Service Air Cleaner
Your engine will not run properly and may be damaged if you
run it with a dirty air cleaner. Service more often if operating
under dirty or dusty conditions. Replacementsare available
at your local Sears service center.
Te service the air cleaner, feiiew these steps:
1. Lift tab slightly on top of air cleaner cover (A), tilt down
and remove cover.
2. Carefully remove air cleaner to prevent debris from
falling into carburetor.
3. Wash foam air cleaner (B) in liquid detergent and water.
Squeezedry in a clean cloth.
4. SATURATE foam air cleaner in engine oil and squeeze in
a clean cloth to remove excess oil.
5. Reinstall clean or new foam air cleaner in base (C).
6. Placetabs at bottom of cover in slots of base,tilt cover
up and snap closed.
NOTICE You can purchase new air cleaner elements by
calling 1o888o331o4569.
Service Spark Plug
Changingthe spark plug will help your engine to start easier
and run better.
1. Clean area around spark plug.
2. Removeand inspect spark plug.
3. Replacespark plug if electrodes are pitted, burned or
porcelain is cracked. Use the recommended replacement
plug, See Specifications.
4, Check electrode gap with wire feeler gauge and reset
spark plug gap to recommended gap if necessary (see
Specifications).
5, Install spark plug and tighten firmly.
HOTICE You can purchase a new spark plug by calling
1o888o331-4569,
Mnspectl_luffier and Spark Attester
inspect the muffler for cracks, corrosion, or other damage.
Removethe spark arrester, if equipped, and inspect for
damageor carbon blockage,if replacementparts are required,
make sure to use only original equipment replacementparts.
WARNING Exhaust heat/gases could ignite
combustibles, structures or damage fuel
tank causing a fire, resulting in death or
serious injury.
Contact with muffler area could cause burns resulting in
serious injury.
, DO NOTtouch hot parts and AVOID hot exhaust gases.
Allow equipment to cool before touching.
Keep at least 5 feet (1.5 m) of clearanceon all sides of pressure
washer including overhead.
it is a violation of California PuNic ResourceCode, Section
4442, to use or operate the engine on any forest-covered,
brush-covered, or grass-covered land unless the exhaust
system is equipped with a spark attester, as defined in Section
4442, maintained in effective working order. Other states or
federal jurisdictions may havesimilar laws.
Contact the original equipment manufacturer, retailer, or dealer
to obtain a spark attester designed for the exhaust system
installed on this engine.
Replacement parts must be the same and installed in the same
position as the original parts.
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