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Craftsman 917.276640 Operator's Manual Page 18

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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.
ROS "ON" Position
Engine "ON" Position
(Normal Operating)
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 drive in
reverse
should
shut off the engine.
• 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 drive in
reverse
should
NOT shut off the engine.
BLADE
CARE
For best results
mower blades
must be
sharp.
Replace
worn, bent or damaged
blades.
CAUTION:
Use only a replacement
blade approved
by the manufacturer
of
your tractor.
Using a blade not approved
by the manufacturer
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
Assembly
(Special)
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.
18

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