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3.7- DECARBONIZE ENGINE, REFACE VALVES, CHECK VALVE CLF/%RANCE
Have the carbon cleaned from the engine combustion area (cylinder
head, valves, piston) every i00 hours of operation. At the same time,
have the valves refaced and adjusted by an engine service technician.
3.8- PREPAP_ UNIT FOR STORAGE
If the unit is to be unused for longer than 30 days, prepare it for
storage as follows:-
a. Operate the engine until it runs out of gas.
b. Let the engine cool.
c. When engine has cooled, remove spark plug (see Paragraph 3.6).
Then, pour about 2 or 3 tablespoons of clean, fresh engine oil into
spark plug opening in engine cylinder head. Crank engine several times
to distribute oil.
d. Install spark plug and spark plug access cover.
e. Slowly pull starter handle out until resistance is felt, indicating
that engine is on its compression stroke. This will close both valves,
to prevent rusting of the cylinder interior.
f. Wipe exterior surface of engine and generator with an oil-soaked
cloth.
g. Cover the generator and store in a clean, dry place.
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