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20
MAINTENANCE
FIG.21
FIG.20
5 STAR PATTERN BLADE
The center of this blade has a five (5) star pattern. The bolt
that attaches this blade has nor mal Right Hand threads
that loosens by turn ing ( ) counterclockwise and tight ens
by turning ( ) clockwise.
BLADE CARE(See Figs.20-22)
For best results mower blades must be kept sharp. Replace
bent or damaged blades.
IMPORTANT: THE BLADES ON YOUR MOW ER ARE NOT THE
SAME AND MUST BE INSTALLED ON THE CORRECT SIDE. IT
IS SUG GEST ED THAT YOU WORK ON ONE BLADE AT A TIME
TO ENSURE PROP ER ASSEMBLY OF COMPONENTS.
RH
0
2
2
2
3
BLADE BOLT
RIGHT HAND
THREADED
LOCK
WASHER
FLAT
WASHER
BLADE
MANDREL
ASSEMBLY
5 STAR PAT-
TERN
5 STAR CEN-
TER HOLE
TRAILING
EDGE
6 STAR PATTERN
BLADE W/LEFT HAND
THREAD ED BOLT
5 STAR PATTERN BLADE W/RIGHT
HAND THREAD ED BOLT
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.
TRACTOR
Always observe safety rules when per form ing any main-
te nance.
BRAKE OPERATION
If tractor requires more than five (5) feet to stop at highest
speed in high est gear on a level, dry concrete or paved
surface, then brake must be checked and ad just ed. (See
“TO ADJUST BRAKE” in the Ser vice and Ad just ments
section of this manual).
TIRES
• Maintain proper air pressure in all tires (See “PROD UCT
SPEC I FI CA TIONS” section of this man ual).
• 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 pre vent flat tires due to
slow leaks, tire sealant may be purchased from your local
parts dealer. Tire sealant also pre vents tire dry rot and
corrosion.
OPERATOR PRESENCE SYS TEM AND REVERSE
OPERATION SYSTEM (ROS) (See Fig.19)
Be sure operator presence and reverse operation sys tems
are work ing properly. If your tractor does not function as
described, repair the problem immediately.
• The engine should not start unless the brake pedal is
fully de pressed, and the attachment clutch con trol is
in the dis en gaged position.
CHECK OPERATOR PRESENCE SYSTEM
• When the engine is running, any attempt by the op er a tor
to leave the seat without first setting the parking brake
should shut off the engine.
• When the engine is running and the at tach ment 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.
CHECK REVERSE OPERATION (ROS) SYSTEM
• When the engine is running with the ignition switch in
the engine "ON" position and the at tach ment 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 at tach ment clutch en-
gaged, any attempt by the operator to shift into reverse
should NOT shut off the engine.
8
2
8
ROS "ON" POSITION
ENGINE "ON" POSITION
(NORMAL OPERATING)
FIG.19