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Craftsman 917.28035 Manual Del Operador página 19

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BATTERY
Your tractor
has a battery
charging
system
which
is sufficient
for normal
use. However,
periodic
charging
of the battery
with an au-
tomotive
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
battery
on your tractor
is
maintenance
free. Do not attempt
to open or
remove
caps or covers.
Adding
or checking
ieve( of electrolyte
is not necessary.
TO CLEAN
BATTERY
AND TERMINALS
Corrosion
and dirt on the battery and terminals
can cause the battery
to "leak" power.
1.
Disconnect
BLACK
battery
cable
first
then
RED
battery
cable
and
remove
battery
from tractor.
2.
Rinse the battery with plain water and dry.
3.
Clean
terminals
and battery
cable
ends
with wire brush
until bright.
4.
Coat terminals
with grease
or petroleum
jelly.
5.
Reinstall
battery
(See
"REPLACING
BATTERY"
in the SERVICE
AND
AD-
JUSTMENTS
section
of this manual).
V-BELTS
Check V-belts for deterioration
and wear after
100 hours of operation
and replace
if neces-
sary. 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
SG-SL.
Select the
oil's SAE viscosity
grade
according
to your
expected
operating
temperature.
SAE VISCOSITY GRADES
F
-20
0
30
32
40
60
80
100
o -_0
-2_
-1_
_
l o
_o
1o
4_
TEMPERATURE
RANGE ANTICIPATED
BEFORE
NEXT OIL CHANGE
oilviscchartl
e
NOTE:
Although
multi-viscosity
oils (5W30,
10W30 etc.) improve
starting
in cold weather,
they will result in increased
oil consumption
when
used above
32°R 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 opera-
tion
or at least once
a year if the tractor
is
not used for 25 hours
in one year.
Checkthe
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
Determine
temperature
range
expected
before
oil change.
All oil must
meet
API
service
classification
C.
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
notto
allow dirt to enter the engine
when
changing
oil.
_CAUTION:
if engine
has been operated
foran
extended
period
oftime
immediately
prior to draining
oil, oil will be hot.
Drain Hole
(_
Drain Plug
Slide oil drain
extension
under
oil drain
hole
(drain
hole
may
be flush
with
or
protrude
from engine
block side wall).
Makesure
backface
of oil drain extension
is flush with engine
side wall.
Makesure
bottom lip of oil drain extension
is lined up with bottom
of oil drain hole.
Position
a container
to catch
oil directly
under front end of oil drain extension.
Slide
a 1/2" (12 point)
socket
mounted
on an extension
onto oil drain plug.
Loosen
plug while
holding
the oil drain
extension
firmly
in place.
Drain
oil into container.
o
o
After oil has drained
completely,
reinstall
oil drain plug.
Do not tighten
more than
13 Ft-Lb's.
Refill engine with oil through
oil fill dipstick
tube.
Pour slowly.
Do not overfill.
For
approximate
capacity
see
"PRODUCT
SPEClFICATIONS"sectionofthismanual.
Use
gauge
on oil fill
cap/dipstick
for
checking
level.
Be sure
dipstick
cap is
tightened
securely
for accurate
reading.
Keep oil at"FULL'
line on dipstick.
Tighten
cap onto the tube securely
when finished.
19

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