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Craftsman 917.28705 Manual Del Operador página 19

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, The blade
can be sharpened
with a file
or on a grinding
wheel.
Do not attempt
to sharpen
while
on the mower.
, To check
blade balance,
you will need a
5/8" diameter
steel bolt, pin, or a cone
balancer.
(When
using
a cone
balancer,
follow
the instructions
supplied
with
balancer.)
NOTE:
Do not use a nail for balancing
blade.
The
lobes of the center
hole may
appear
to be centered,
but are not.
,
Slide blade on to an unthreaded
portion
of the steel bolt or pin and hold the
bolt or pin parallel
with the ground.
If
blade is balanced,
it should
remain
in a
horizontal
position.
If either
end of the
blade moves
downward,
sharpen
the
heavy
end until the blade
is balanced.
5/8" Bolt or Pin
Blade
Center Hole
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
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 petro-
leum jelly.
5.
Reinstall
battery
(See "REPLACING
BATTERY"
in the SERVICE
AND AD-
JUSTMENTS
section
of this manual).
TRANSAXLE
COOLING
Keep transaxle
free from
build-up
of dirt
and chaff
which
can restrict
cooling.
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
SG-SL.
Select
the oil's SAE viscosity
grade
according
to your expected
operating
temperature.
19
SAE VISCO_
1
F 14o
c
RAN 0
ANT,
o_1 vise
¢ha_tl
e
NOTE:
Although
multi-viscosity
oils
(5W30,
10W30
etc.) improve
starting
in
cold weather,
the oils will result in in-
creased
oil consumption
when
used
above
32°R
Check
your engine
oil level
more
frequently
to avoid
possible
engine
dam-
age from
running
low on oil.
Change
the oil after every
50 hours
of op-
eration
or at least once a year if the tractor
is not used for 50 hours
in one year.
Check
the crankcase
oil level before
start-
ing 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
SG-SL.
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
_
Locked
_l
I ,_.._
_.
Yellow
_,
_':_x'>k--- _
Cap --------
_,_
¢_, _y_
k_
- Drain
_Tube

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