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Craftsman 917.27690 Manual Del Operador página 20

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TRACTOR
Always
observe
safety
rules when
per-
forming
any maintenance.
BRAKE
OPERATION
If tractor
requires
more than five (5) feet to
stop at highest
speed
in highest
gear on a
level, dry concrete
or paved
surface,
then
brake
must
be serviced.
(See "TO CHECK
BRAKE"
in the Service
and Adjustments
section
of this manual).
TIRES
• Maintain proper air pressure in all tires
(See PSI on tires).
• Keep tires free of gasoline,
oil, or insect
control chemicals which can harm rubber.
• Avoid stumps, stones, deep ruts, sharp
objects and other hazards that may
cause tire damage.
NOTE: To seal tire punctures and prevent
flat tires due to slow leaks, tire sealant
may be purchased from your local parts
dealer. Tire sealant also prevents tire dry
rot and corrosion.
OPERATOR
PRESENCE
SYSTEM AND
REVERSE OPERATION
SYSTEM
(ROS)
Be sure operator presence and reverse
operation systems are working properly. If
your tractor does not function as de-
scribed, repair the problem immediately.
• The engine should not start unless the
brake pedal is fully depressed,
and the
attachment
clutch control is in the disen-
gaged position.
CHECK
OPERATOR
PRESENCE
SYSTEM
• When
the engine
is running,
any at-
tempt
by the operator
to leave the seat
without
first setting
the parking
brake
should
shut off the engine.
• When
the engine
is running
and the
attachment
clutch
is engaged,
any at-
tempt
by the operator
to leave the seat
should
shut off the engine.
• The attachment
clutch
should
never
op-
erate
unless
the operator
is in the seat.
CHECK
REVERSE
OPERATION
(ROS)
SYSTEM
• When
the engine
is running
with the
ignition
switch
in the engine
"ON" posi-
tion and the attachment
clutch
engaged,
any attempt
by the operator
to shift into
reverse
should
shut off the engine.
I ROS "ON"
Positoon
Engine
"ON'@Position
(Normal Operating)
• When
the engine
is running
with the
ignition
switch
in the ROS "ON" position
and the attachment
clutch
engaged,
any attempt
by the operator
to shift into
reverse
should
NOT shut off the engine.
BLADE
CARE
For best results mower blades must be sharp.
Replace
worn,
bent or damaged
blades.
ACAUTION:
Use only a replacement
blade
approved by the man ufactu rer of you r tractor.
Using a blade not approved
by the manu-
facturer of your tractor is hazardous,
could
damage your tractor and void your warranty.
BLADE
REMOVAL
1. Raise mower to highest position to al-
low access to blades.
NOTE: Protect your hands with gloves
and/or wrap blade with heavy cloth.
2. Remove blade bolt by turning counter-
clockwise.
3. Install new blade with stamped
"GRASS SIDE" facing the ground.
IMPORTANT:
To ensure proper assembly,
center hole in blade must align with star
on mandrel assembly.
4. Install and tighten blade bolt securely
(45-55 Ft. Lbs. torque).
IMPORTANT:
Special blade bolt is heat
treated.
Blade
Blade Bolt
(S_
Center Hole
Mandrel
Assembly
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 termi-
nals can cause
the battery
to "leak"
power.
1.
Disconnect
BLACK
battery
cable
first
then
RED
battery
cable
and remove
battery
from tractor.
20

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