Craftsman 917.276780 Manual Del Operador página 19

TRACTOR
Alwaysobserve safetyrules when per-
formingany maintenance.
BRAKE OPERATION
If tractor requiresmore than five (5) feet to
stop at highest speed in highest gear on a
level,dry concreteor paved surface,then
brakemust be checkedand adjusted. (See
"TOADJUST BRAKE"in the Service and
Adjustmentssectionof this manual).
TIRES
• Maintainproper air pressurein all tires
(See"PRODUCTSPECIFICATIONS"
sectionof this manual).
• Keeptires free of gasoline,oil, or insect
control chemicalswhich can harm rub-
ber.
• Avoidstumps,stones, deep ruts, sharp
objectsand other hazardsthat may
cause tire damage.
NOTE: Toseal tire puncturesand prevent
flat tires due to slow leaks,tire sealant
may be purchasedfromyour local parts
dealer.Tire sealant also preventstire dry
rot and corrosion.
OPERATORPRESENCESYSTEMAND
REVERSEOPERATIONSYSTEM(ROS)
Be sure operatorpresenceand reverse
operationsystemsare working properly. If
your tractordoes not function as de-
scribed, repairthe problemimmediately.
• 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 shift into
reverse should shut off the engine.
ROS "ON" Position
Engine "ON" Position
(Normal Operation)
• 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.
_, 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.
If bolt needs replacing, replace only with
approve bolt shown in the Repair Parts.
Trailing Mandrel Assembly
Edge Up_ Blade
Cente
Lock Washer
¢¢---Blade Bolt
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