Service Air Cleaner; Servicespark Plug; Specifications - Craftsman 500.676620 Operator's Manual

Changeoil while engine is still warm from running,as
fellows:
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 18 oz.)into oil fill
opening. Pauseto permit oil to settle. Fill to "Full" mark
on dipstick.
6. Wipe dipstick clean each time oil level is checked. DO
NOT overfill.
7. Replaceand 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 damagedif you
run it with a dirty air cleaner.
Service the air cleaner once every 25 hours of operation or
once eachyear, whichever comes first. Service more often if
operating under dirty or dusty conditions. Replacementsare
available at your local Sears service center.
To service the air cleaner, fellow these steps:
1. Removescrew (A).
2. Carefully remove air cleaner assembly to prevent debris
from falling into carburetor.
3. Take air cleaner assembly apart and clean all parts.
Wash foam air cleaner (B) in liquid detergent and water.
Squeezedry in a clean cloth.
4. SATURATE foam air cleaner in engine oil and squeezein
a clean cloth to remove excess oil.
5. Reinstall clean or new foam air cleaner in base (C).
6. Install air cleaner securely on carburetor with screw.
NOTE:You can purchase new air filter elements by calling
1-80O-4-1VlY-NOIVlE (46g-4663).
ServiceSpark Plug
Service the spark plug every 100 hours of operation or
yearly, whichever occurs first.
1. Cleanarea 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. Checkelectrode gap with wire feeler gauge and set spark
plug gap to .030 inch (.76 mm) if necessary.
5. Install spark plug and tighten firmly.
NOTE:You can purchase a new spark plug by calling
1-80O-4-1VlY-NOIVlE (46g-4663).
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