Battery; V-Belts; Engine Lubrication; To Clean Battery And Terminals - Craftsman 917.271861 Owner's Manual

Lawn tractor 21.0 hp, 42" mower electric start automatic transmission
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BATTERY
Your tractor has a battery charging system
which is sufficient for normal use. How-
ever, periodic charging of the battery with
an automotive charger will extend its life.
• Keep battery and terminals clean.
• Keep battery bolts tight.
• Keep small vent holes open.
• Recharge at 6-10 amperes for 1 hour.
NOTE: The original equipment battery on
your tractor is maintenance free. Do not
attempt to open or remove caps or covers.
Adding or checking level of electrolyte is
not necessary.
TO CLEAN BA-I-FERY AND TERMINALS
Corrosion and dirt on the battery and
terminals can cause the battery to "leak"
power.
1. Open battery box door.
2. Disconnect BLACK battery cable first
then RED battery cable and remove
battery from tractor.
3. Rinse the battery with plain water and
dry.
4. Clean terminals and battery cable ends
with wire brush until bright.
5. Coat terminals with grease or petro-
leum jelly.
6. Reinstall battery (See "REPLACING
BATTERY" in the Service and Adjust-
ments section of this manual).
TRANSAXLE
COOLING
The transmission fan and cooling fins
should be kept clean to assure proper
cooling.
Do not attempt to clean fan or transmission
while engine is running or while the
transmission is hot. To prevent possible
damage to seals, do net use high pressure
water or steam to clean transaxle.
• Inspect cooling fan to be sure fan blades
are intact and clean.
• inspect cooling fins for dirt, grass
clippings and other materials. To
prevent damage to seals, do not use
compressed air or high pressure sprayer
to clean cooling fins.
TRANSAXLE
PUMP FLUID
The transaxle was sealed at the factory
and fluid maintenance is not required for
the life of the transaxle. Should the
transaxle ever leak or require servicing,
contact a Sears or other qualified service
center.
V-BELTS
Check V-belts for deterioration and wear
after 100 hours of operation and replace if
necessary. The belts are not adjustable.
Replace belts if they begin to slip from
wear.
ENGINE
LUBRICATION
Only use high quality detergent oil rated
with API service classification SF-SJ.
Select the oil's SAE viscosity grade
according to your expected operating
temperature.
SAE VISCOSITY GRADES
-20
_,0
-20
-10
0
10
20
30
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE
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 more frequently to avoid possible
engine damage from running low on oil.
Change the oil after every 25 hours of
operation or at least once a year if the
tractor is not used for 25 hours in one year.
Check the crankcase oil level before
starting the engine and after each eight (8)
hours of operation. "13ghtenoil fill cap/
dipstick securely each time you check the
oil level.
TO CHANGE
ENGINE OIL
Determine temperature range expected
before oil change. All oil must meet API
service classification SF-SJ.
• Be sure tractor is on level surface.
• Oil will drain more freely when warm.
• Catch oil in a suitable container.
1. Remove oil fill cap/dipstick.
Be careful
not to allow dirt to enter the engine
when changing oil.
2.
Remove yellow cap from end of drain
valve and install the drain tube onto
the fitting.
Oil Drain Valve
Closed and
Position
Yellow
Cap
Drain
2O

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