Craftsman 28903 Owner's Manual page 18

TRACTOR
Alwaysobserve safetyruleswhenperforming
any maintenance,
BRAKE OPERATION
If tractor requiresmorethanfive (5) feet to
stop at highestspeed in highestgear on a
level,dry concreteor paved surface,then
brakemustbe checkedandadjusted_ (See
"TO CHECK BRAKE"in the Service and
Adjustmentssectionof this manual).
TIRES
• Maintainproper air pressure in all tires
(Seesidesof tire for properPSI).
• Keeptires free of gasoline,oil, or insect
controlchemicalswhichcanharmrubber.
• Avoid stumps,stones, deep ruts, sharp
objectsandotherhazards thatmaycause
tire damage.
NOTE; To seal tire puncturesand prevent
flattires dueto slowleaks,tire sealantmay
be purchasedfrom your local partsdealer.
Tire sealant also preventstire dry rot and
corrosion°
OPERATORPRESENCESYSTEM AND
REVERSEOPERATIONSYSTEM(ROS)
Be sure operator presence and reverse
operationsystemsare workingproperly, If
yourtractordoesnot functionas described,
repairthe problemimmediately.
• The engine should not start unless the
brake pedal is fully depressed,and the
attachmentclutchcontrolis in the disen-
gagedposition.
CHECK OPERATOR PRESENCE
SYSTEM
• Whenthe engineis running,any attempt
by the operatorto leavethe seat without
first settingthe parkingbrakeshouldshut
off the engine.
• When the engineis runningand the at-
tachmentclutchis engaged,any attempt
by the operatorto leavethe seat should
shut offthe engine.
• Theattachment c lutchshouldneveroper-
ate unlessthe operatoris in the seat.
CHECK REVERSE OPERATION (ROS)
SYSTEM
, Whentheengineisrunningwiththeignition
switchinthe engine"ON"positionandthe
attachment c lutchis engaged, a nyattempt
by the operatorto go into reverseshould
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
arp. 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 alIow
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 "THIS
SIDE 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 FL Lbs. torque).
Mandrel
Assembly
Blade
(Sl
Center Hole [_
IMPORTANT: Special blade bolt is heat
treated..
I8