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(Photo 4/17) 6 Hj'engine
When the dirty oil is drained from your en-
gine, replace it with 3 or4 ounces less than 24%
ounces of clean oil and recheck the oil level
with the dipstick as you normally do. If addi-
tional oil is required, bring the level up to the
:'Full" mark shown on the dipstick.
Don't overfill your engine crankcase with oil.
An excess of oil will very likely show up by be-
ing blown out the breather tube into your air
cleaner (sponge filter). (Photo 4/18 shows en-
gine breather tube). This will cause oil to drop
from the air cleaner after the engine stops. If
your engine drips oil in this manner, check the
oil level to make sure that it is not too high.
Also, see engine breather under Engine Main-
tenance in this manual, page 116.
SPARK PLUG
The spark plug, shown in Photo 4/19, of
course, provides the spark to the engine to ig-
nite the fuel mixture in the combustion cham-
ber. It is essential to proper engine operation
to have a plug with no cracks in the porcelain,
or fuel residues or oil deposits on the spark
plug electrode itself.
Replace spark plug with a Champion J-8 or
equivalent plug. Plug gap should be .030".
AIR CLEANER
The air cleaner of your 6 H.P. engine uses an
oil-moistened polyurethane sponge to filter
(Photo 4/18) 6 HPengine
(Photo 4/19) 6 HPengine
dirt out of the air delivered to the engine.
These small engines use thousands of gallons
of air for every gallon of gasoline, so, you can
see how important it is that the air your engine
gets is clean and free from dirt and grit. See
Photo 4/20.
Please keep the air cleaner clean so that it
can trap the dirt and grit before they can reach
and ruin the engine. See the Tecumseh Owners
45
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