Sears 917.250551 Lawn Mower User Manual


 
CUSTOMER RESPONSIB L TmES
,
BATTERY
Your tractor has a battery charging system which is suffi-
cient for normal use However. periodic charging of the
battery with an automotive charger will extend its life.
Keep battery and terminals clean
Keep battery bolts tight
o Keep small vent holes open (See "CONNECT BAT-
TERY" in the Assembly section of this manual)
° Recharge at 6-10 amperes for 1 hour
TO CLEAN BATTERY AND TERMINALS
Corrosion and dirt on the battery and terminals can cause
the battery to "leak" power
Remove terminal guard,
. Disconnect BLACK battery cable first then RED bat-
tery cable and remove battery from tractor
Wash battery with solution of four tablespoons of
baking soda to one gallon ofwater Be careful notto get
the soda solution into the cells,
o Rinse the battery with plain water and dry.
Clean terminals and battery cable ends with wire brush
until brighL
Coat terminals with grease or petroleum jelly_
° Reinstall battery (See "CONNECT BATTERY" in the
Assembly section of this manuel)
ENGINE
LUBRICATION
Only use high quality detergent ell rated with API service
classification S For SG. Select the oil's SAE viscosity grade
according to your expected operating temperature
NOTE: Although multi-viscosity oils (5W30. 10W30 etc,)
improve starting in cold weather, these multi-viscosity oils
will result in increased oil consumption when used above
32°F. Check your engine oil level mere frequently to avoid
possible engine damage from running low on oil
Change the oil after the first two hours of operation and
every 50 hours thereafter or at least once a year if the
tractor is not used for 50 hours in one year.
Check the crankcase oil level before starting the engine
and after each eight (8) hours of operation, Tighten oil fill
cap/dipstick securely each time you check the oil level,
TO CHANGE ENGINE OIL (See Fig& 14 and 15)
Determine temperature range expected before oil change,
All oil must meet API service classification SF or SG
Be sure tractor is on level surface
Oil will drain more freely when warm,
° Catch oil in a suitable container
Remove oil fill cap/dipstick Be careful not to allow dirt
to enter the engine when changing oil,
Remove drain plug
After oi! has drained completely, replace oil drain plug
and tighten securely,
Refill engine with oil through oil fill dipstick tube. Pour
slowly. Do not overfill, For approximate capacity see
"PRODUCT SPECIFICATIONS" on page 3 of this
manual
Use gauge on oil fill cap/dipstick for checking level
Insert dipstick into the tube and rest the oil fill cap on the
tube. Do not thread the cap onto the tube when taking
reading Keep oil at"FULL" line on dipstick. Tighten
cap onto the tube securely when finished
AIR SCREEN
OIL DRAIN
PLUG
OIL FILL
CAP/DIPSTICK
FIG,, 15
SAE VISCOSITY GRADES
.20 _ 0 _ 30 _ 32 '_ 40 _ 600 GO=
_30_ .20 ° .10 _ 0_' 10 _ 20_ 30 _ 40 _
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OiL CHANGE
FIG. 14
'17