Sears 502.25502 Lawn Mower User Manual


 
OPERATION
BEFORE STARTING THE ENGINE
CHECK OIL - Add as needed
NOTE: Do not check the level of the oil while the engine
runs
1 Make sure the unit is tevel
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 clockwise
untiI it is tight Remove the dipstick Check the oil level on the
dipstick The oll 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 oiI needed from ADD to FULL is
shown on the dipstick Do not add too much oil
ADD GASOLINE
Fill the fuel tank with regular unleaded gasoline Make sure the
gasoline is fresh and clean Leaded gasoline will _ncrease deposits
and shorten the life of the valves Do not use premium unIeaded
gasoline
CAUTION: A mixture of alcohol (ethanol or methanol) and
gasoline (called gasohol)_ will attract moisture and cause acid
deposits during storage While the unit is in storage, the acids
in the fuel can damage the fuel system
To prevent engine problems with the fuel system, empty the
fuel system before storage of 30 days or longer Drain the fuel
tank, Start the engine Let the engine run until the fuel lines and
the carburetor are empty, After storage, make sure you use
,flesh fuel, See the storage instructions for additional information
Never use engine cleaner or carburetor cleaner in the fuel tank
or permanent damage can occur,
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 enclosure Before you add
gasoline, stop the engine and let the engine cool
for several minutes
HOW TO START THE ENGINE
WARNING: The electrical system has an
operator presence system that includes a sensor
switch mounted in the seat These components
tell the electrical system if the operator is sitting
on the seat For your protection, always make
sure this system operates correctly This system
will stop the engine when the operator leaves
the seat if the blade engagement control is
engaged
NOTE: The engine will not start unless you depress the
clutch/brake pedal, move the shift lever to the NEUTRAL
position, and move the blade engagement control to the
DISENGAGED position
I Sit in the middle of the seat Completely pusl_ the
clutch/brake pedal forward Keep your foot on the pedal
2 Move the shift lever to the NEUTRAL (N) position
3 Move the blade engagement control to the DISENGAGE
position
4 Move the throttle control to the CHOKE position
5 Turn the ignition key to the START position Release the key
when the engine starts
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
TROUBLE SHOOTING CHART
6 After the engine starts move the throttle control from
CHOKE to a needed speed
7 Before you begin .work, let a cold engine run for several
minutes To start a hot engine move the throttle control toa
position between FAST and SLOW
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 maintenance section
1 The engine has a loss of power or does not run smooth
2 A change from summer to winter operation
3 A40 ° change in the operation temperature The carburetor
was adjusted at 80 ° at the factory
4 The engine is operated above 4 000 feet
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