Craftsman 917.27639 Manual Del Operador página 18

Idiomas disponibles

Idiomas disponibles

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 checked
and adjusted.
(See
"TO ADJUST
BRAKE"
in the Service
and
Adjustments
section
of this manual).
TIRES
= Maintain
proper
air pressure
in all tires
(See "PRODUCT
SPECIFICATIONS"
section
of this manual).
• 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 seat 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
(ROB)
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 ig-
nition switch in the engine "ON" position
and the attachment
clutch is engaged,
any attempt
by the operator
to go into
reverse should
shut off the engine.
ROS "ON" Position
Engine "ON" Position
(Normal Operating)
° When
the engine
is running
with the
ignition switch
in the ROS "ON" position
and the attachment
clutch is 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
kept sharp.
Replace
bent or damaged
blades.
A 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.
2.
Remove
blade bolt, lock washer
and
flat washer
securing
blade.
3.
Install new or resharpened
blade
with trailing
edge up towards
deck as
shown.
IMPORTANT:
To ensure
proper assembly,
center
hole in blade must align with star
on mandrel
assembly.
4.
Reassemble
blade bolt, lock washer
and flat washer
in exact order as
shown.
5. Tighten
blade bolt securely
(27-35 Ft.
Lbs. torque).
IMPORTANT:
Blade bolt is heat treated_
Trailing
Mandrel
;embly
Edge Up_-.._ Blade
Centel
If bolt needs
replacing,
replace
only with
approve
bolt shown
in the Repair
Parts.
TO SHARPEN
BLADE
NOTE:
We do not recommend
sharp-
ening blade - but if you do, be sure the
blade is balanced.
Care should
be taken to keep the blade
balanced.
An unbalanced
blade will cause
excessive
vibration
and eventual
damage
8to mower and engine.
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