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After the very first two hours that you operate your
snowthrower, change the engine oil. After this initial
engine oil change, change the engine oil every 25
hours of operation (or
at
the end of the snow throwing
season, whichever comes first).
To
change the engine oil:
1.
Start the engine. Allow it
to
warm up
to
operating
temperature.
2. SHUT THE ENGINE
OFF.
3.
Fold
a piece of cardboard (approximately 3 inches
by
6 inches) lengthwise into a shallow
"V".
See
Figure
5-2.
4.
Use a 3/8-inch open end wrench (or
an
adjustable
wrench)
to
loosen (not remove) the engine oil
drain plug (Figure
5-2,
Item
B).
5.
Place the folded cardboard beneath the drain
plug
as
shown
in
Figure
5-2.
6.
Place a container (minimum capacity of 1 quart)
underneath the end of the cardboard
to
catch the
draining oil.
Changing
the
Engine
Oil
ENGINE
MAINTENANCE
SECTION
5:
ENGINE
AND
SNOWTHROWER
MAINTENANCE
Before each
use,
check the engine oil level. Also,
while using the snowthrower, stop the engine and
check its oil level every five hours of operation.
To
check the engine oil level:
1.
Shut the engine off.
2. Unscrew the dipstick (Figure
5-1,
Item
A).
Use a
clean cloth
to
wipe the dipstick.
3.
Re-insert the dipstick into the oil fill tube. Firmly
screw the dipstick all the way back into the oil fill
tube.
4. Unscrew the dipstick and check the oil level. It
should be between the FULL and ADD marks
on
the dipstick.
5.
If the oil level
is
low,
add oil as follows:
A. Remove the dipstick.
B.
Insert the clean funnel into the oil fill tube.
C.
Slowly pour oil into the funnel. While pouring,
stop frequently, remove the funnel, reinstall the
dipstick, then remove
it
and check the oil level.
Don't overfill the engine with oil.
D.
When the engine oil level
is
correct, securely
reinstall the dipstick.
Checking
Engine
Oil Level
and
Adding Oil
to
Engine
Figure
5-1
Figure 5-2
19