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19
TRACTOR
Always observe safety rules when per-
form ing any main te nance.
BRAKE OPERATION
If tractor requires more than fi ve (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 rub-
ber.
• Avoid stumps, stones, deep ruts, sharp
objects and other hazards that may
cause tire damage.
NOTE: To seal tire punctures and pre vent
fl at 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 SYS TEM AND
REVERSE OPERATION SYSTEM (ROS)
Be sure operator presence and reverse
operation sys tems are work ing properly. If
your tractor does not function as de-
scribed, 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 at-
tempt by the op er a tor to leave the seat
without fi rst setting the parking brake
should shut off the engine.
• When the engine is running and the
at tach ment 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 at tach ment clutch is 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 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. Re place bent or damaged
blades.
0
2
8
2
8
ROS "ON" Position Engine "ON" Position
(Normal Operating)
If bolt needs replacing, replace only with
approve bolt shown in the Repair Parts.
TO SHARPEN BLADE
NOTE: We do not recommend sharp-
en ing blade - but if you do, be sure the
blade is balanced.
Care should be taken to keep the blade
balanced. An unbalanced blade will cause
excessive vibration and even tual damage
to mower and engine.
• The blade can be sharpened with a fi le
or on a grinding wheel. Do not attempt
to sharpen while on the mower.
• To check blade balance, you will need a
5/8" diameter steel bolt, pin, or a cone
balancer. (When using a cone bal anc er,
follow the in struc tions supplied with
bal anc er.)
Blade Bolt
Mandrel Assembly
Trailing
Edge Up
Flat Washer
Lock Washer
Center
Hole
Blade
Star
BLADE REMOVAL
1. Raise mower to highest position to al-
low access to blades.
2. Remove blade bolt, lock washer and
fl at washer securing blade.
3. Install new or resharpened blade
with trailing edge up towards deck as
shown.
IMPORTANT: To ensure proper as sem bly,
center hole in blade must align with star
on mandrel assembly.
4. Reassemble blade bolt, lock washer
and fl at washer in exact order as
shown.
5. Tighten blade bolt securely (27-35 Ft.
Lbs. torque).
IMPORTANT: Blade bolt is heat treated.