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MAINTENANCE
TRACTOR
Always observe safety rules when performing any main-
tenance,
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 "TO 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 chemi-
cals 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 OP-
ERATION 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.
The engine should not start unless the brake pedal is
fully depressed, and the attachment clutch control is
in the disengaged 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 attachment clutch
is engaged, any attempt by the operator to leave the
seat should shut off the engine.
The attachment
clutch should never operate unless
the operator is in the seat.
Engine 'ON" Position
(Normal Operating)
CHECK REVERSE OPERATION (ROS) SYSTEM
When the engine is running with the 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.
When the engine is running with the ignition switch in
the ROS "ON" position and the attachment clutch en-
gaged, 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, Replace
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 manufacturer
of your tractor is
hazardous, could damage your tractor
and void your warranty.
BLADE
REMOVAL
(See Fig.
13)
Raise mower to highest position to allow access to
blades.
NOTE: Protect your hands with gloves and/or wrap blade
with heavy cloth.
Remove blade bolt by turning counterclockwise.
Install 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.
Install and tighten blade bolt securely (45-55 Ft. Lbs.
torque).
IMPORTANT:
Special blade bolt is heat treated.
STAR
BLADE BO_
MANDREL
ASSEMBLY
Fig. 13
15
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