ENGINE MAINTENANCE
Maintenance, replacement or repair of the emission control devices and systems may be
performed by any
Checldng Oil Level
Oil level should be chocked 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 ,every
50hours 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 running,,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, reinsta, oil drain plug.
Base
Paper Element
Bas_ t_ '__(_WingNut
•Remove dirty paper element carefully to prevent debris from failing 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:spark plug andDisconnectkeep wiresparkawayplugfromwiresparkfromplug.
•Clean area around spark plug.
•Remove and inspectspark plug.
•Replace spark plug if the electrodes are pitted, burned or porcelain is cracked. For replacement use Champion RN4C or equivalent.
•
Clean area around oil fill plug and remove the oil dipstick. Fill engine crankcase with recommended 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.
Check electrode gap with wire feeler gauge and set gap at .030 inches, if necessary.
Sen/me 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 Service Center.
To clean or replace the air cleaner, follow these steps:
•Remove wing nut on the air cleaner cover.
•Install spark plug, tighten securely.
Carburetor
If you think your carburetor needs adjusting, see your nearest Sears Service Center. Engine performance may be affected at altitudes above 4000 feet. For
operation at higher elevations, contact your nearest Sears Service Center.
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