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MAINTENANCE
SCHEDULE
The following chart is based on normal engine operation. Follow the hourly or calendar intervals, whichever
occurs first. More frequent service is required when operating in extremely dusty or heavy load conditions.
Maintenance
Items
Clean generator and check
bolts and nuts
Check and refill engine oil
Change engine oil (Note 1)
Clean spark plug
Clean air cleaner
Clean muffler exhaust
outlet
Clean fuel strainer
Replace air cleaner
element
Clean and adjust spark
plugs and electrodes
Replace oil filter
(Note 1)
Clean carburetor*
Clean carbon from cylinder
head*
Clean engine base
(oil pan)*
Check and adjust valve
seats*
Adjust valve clearance*
Replace spark plug
Replace fuel lines*
Overhaul engine*
(Note 2)
Every 8 hours
or daily
X
X
Every 50
Every 200
Hours
Hours
X
X
X
X
Every 500
Hours
X
X
X
X
Every 1000
Hours
iHHHHHHHHHHH
HHHHHHHHHHH
HiHHHHHHHHH
i
X
X
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i i'i'i i
X
X
X
X
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__
X
X
*
These maintenance operations should be performed by an authorized Sears service center. If you feel that
you are qualified to perform these maintenance items, you must order a service manual for instructions on
how to properly perform these procedures.
Note 1: Initial oil change and oil filter replacement must be performed after 20 hours of operation. Thereafter
change oil every 50 hours and replace oil filter after 200 hours.
Note 2: Must be performed by a Sears service center.
13
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