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OPERATION
BEFORE
STARTING
THE ENGINE
CHECK
THE OIL
NOTE: The engine was shipped from the factory
filled with oil
rated 30. Check the level of the oil, Add oil as needed,
1.
Make sure the unit is level.
NOTE: Do not check the level of the oil while the engine
runs.
2.
Clean the area around the dipstick. Remove the dipstick. Wipe
the oil from the dipstick.
3.
Insert the dipstick into the oil fill tube. Turn the dipstick clock-
wise until it is tight. Remove the dipstick. Check the oil level on
the dipstick. The oil level must reach the FULL mark on the
dipstick.
4.
If necessary, add oil until the oil reaches the FULL mark on the
dipstick. The quantity of oil needed from ADD to FULL is shown
on the dipstick. Do not add too much oi!.
ADD GASOLINE
WARNING: Always use a safety gasoline container.
,_
Do not smoke when adding gasoline to the fuel tank.
Do not add gasoline when you are inside an enclo-
sure. Before you add gasoline, stop the engine and
let the engine cool for several minutes.
Use clean, fresh,
regular
unleaded
gasoline
with a minimum
of 85
octane.
Fresh fuel prevents
gum from forming
in the fuel system
or
on essential
carburetor
parts.
Purchase
fue! in quantity
that can be
used with 30 days.
•
Do
not
use
gasoline
which
FueI Tank
contains
Methanol.
____
•
Do not mix oil with gasoline.
•
For engine
protection,
use a
fuel
stabilizer
available
at a
Sears
Store or Service
Center.
•
This engine
is certified
to operate
on gasoline.
Exhaust
Emission
Control
System:
EM (Engine
Modifications).
CAUTION:
Alcohol
blended
fuels
(called
gasohol
or using
ethanol
or methanol)
can
attract
moisture
which
leads
to
separation
and formation
of acids
during
storage.
Acidic
gas
can damage
the fuel system
of an engine
while
in storage.
To prevent
engine
problems
with
the fuel system,
empty
the fue!
system
before
storage
of 30 days or longer
as follows.
1.
Drain the fuel tank.
2.
Start the engine.
Let the engine
run until the fuel lines and the
carburetor
are empty.
3.
After storage,
make
sure you use fresh
fue!. See the storage
instructions
for additional
information.
4.
Never
use engine
cleaner
or carburetor
cleaner
in the fuel tank
or permanent
damage
can occur.
CARBURETOR
The factory
settings
for the carburetor
are for most conditions.
If the
engine
is operated
under the following
conditions,
you can adjust
the carburetor
mixture.
See "How To Adjust
The Carburetor"
in the
Service
And Adjustment
section.
1.
The engine
has a loss of power or does not run smooth.
2.
A change
from summer
to winter operation.
3.
A 40 degree
change
in the operation
temperature.
The carbure-
tor was adjusted
at 80 degrees
at the factory.
4.
The engine
is operated
above
4,000
feet.
HOW TO START THE ENGINE
WARNING:
The electrical system has two primary
components,
an operator presence system and a Se-
lect Reverse T_system. The operator presence sys-
tem determines if the operator is sitting on the seat.
This system will stop the engine when the operator
leaves the seat.attachment
clutch The Select Rever-
se T`_ system
gives the operator the ability to tempo-
rarily mow in reverse if he decides such operation is
absolutely necessary and safe operating precautions
are taken. For your protection, always make sure the-
se systems
operate correctly.
4.
NOTE: The engine will not start unless you depress the
clutch/brake pedal or engage the parking brake and move the
attachment clutch to the DISENGAGE position.
1.
Make sure the spark plug wire is connected to the spark plug.
6.
2.
Move the speed control lever to the neutral (N) position.
3.
Make sure the attachment clutch is in the DISENGAGE
posi-
7.
tion. If the blade rotation control is not in the DISENGAGE posi-
tion, the engine wi!! not start.
F-050607L
18
Move the throttle
control
completely
forward
to the CHOKE
Ikl
or FAST position.
Some
models
have a separate
choke knob.
Pull the choke
knob to the full CHOKE
position.
Turn the ignition
key to the START
_
position.
Release
the
key when the engine
starts.
The ignition
key switch
will auto-
matically
default
to the recommended
RUN-MOW
position
for
normal
mowing.
See "How To Operate
The ignition
Key Switch"
in the Operation
Section.
NOTE: If the engine does not start after four or five tries,
move the throttle control to the FAST position. Again try to
start the engine.
If the engine will not start, see the
TROUBLESHOOTING
CHART.
Slowly
move the throttle
control to the SLOW
position.
If model
has a separate
choke
knob, push in the choke
knob.
Let a cold engine
run for several
minutes.
Begin work when the
engine
is warm. To start a hot engine,
move the throttle
control
to a position
between
FAST and SLOW.
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