Craftsman 917.20402 Operator's Manual page 19

TRACTOR
Always observe safety ruIes when perform-
ing any maintenance,
BRAKE OPERATION
if tractor requires more than 5 feet (1,5 m)
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 the side of tires for proper PSI.)
- 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)
Ensure operator presence and reverse
operation systems are working properly. If
your tractor does not function as described,
repair the problem immediately.
• The engine should not start unless the
parking brake is engaged, and the attach-
ment clutch control is in the disengaged
position.
CHECK OPERATOR PRESENCE SYSTEM
• While the engine is running, any attempt
by the operator to leave the seat without
first setting the parking brake should shut
off the engine,
• With the engine running, the parking
brakeengaged, andthe attachment clutch
engaged, any attempt by the operator to
leave the seat should shut off the attach-
ment clutch,
. The attachment clutch should never oper-
ate unless the operator is in the seat.
CHECK REVERSE OPERATION (ROS)
SYSTEM
• With the engine running, the SmartSwitch
Ignition (SSi) button (F) solid green, and
the attachment clutch engaged any at-
tempt by the operator to shift in reverse
will disengage the attachment clutch.
- With the engine running, the SmartSwitch
Ignition (SSI) button (F) solid green, and
the Reverse Operation System (ROS)
button (G) lit, any attempt by the operator
to shift in reverse should NOT disengage
the attachment clutch.
BLADE CARE
For best results mower blades must be sharp.
Replace worn, bent or damaged blades.
_I=CAUTION: Use only a replacement blade
approved bythe 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 mower to 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. Instalt 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. LbsJ62-75 Nm).
IMPORTANT: Special blade bolt is heat
treated.
Star
center Hole \i__
BATTERY
Your tractor has a battery charging system
whichis sufficientfor normaluse, However,
periodiccharging of the battery with an au-
tomotivechargerwill extend its life.
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