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Craftsman 917.28948 Manual Del Operador página 22

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TRACTOR
Always observe safety rules when performing
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 'q'O 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
rub-
ber.
• 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 stow 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 described,
repair the problem
immediately.
o 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 attempt
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 at-
tachment
clutch is engaged,
any attempt
by the operator
to leave the seat should
shut off the engine.
• The attachment
clutch should never oper-
ate unless the operator
is in the seat.
ROS "ON" Position
Engine "ON" Position
(Normal Operating)
CHECK
REVERSE
OPERATION
(ROS)
SYSTEM
• When the engine is runningwiththe
ignition
switch in the engine "ON" position and the
attachment
clutch engaged,
any attempt
by the operator
to shift into reverse should
shut off the engine.
- Whenthe
engine is runningwith
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.
eplace
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 manu-
facturer
of your tractor
is hazardous,
could
damage your tractor and void your warranty.
BLADE
REMOVAL
1. Raise mowerto
highest position to allow
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.
Installnewbladewithstamped"THISSIDE
UP" facing deck and mandrel
assembly°
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. Lbso torque).
IMPORTANT:
Special
blade
bolt is heat
treated°
Mandrel
Assembly
Blade
(Spec_al)_
Center Hole
BATTERY
Your tractor
has a batter/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
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.
22

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