(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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