Blade Care; Blade Removal - McCulloch 532 43 67-90 Operator's Manual

RIDING MOWER
Always observe safety rules when per form ing any
main te nance.
BRAKE OPERATION
If riding mower requires more than four (4) feet to stop at
highest speed in high est gear on a level, dry concrete or
paved surface, then brake must be serviced. (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 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 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.
AXLE AND SPINDLES
• Front wheel axles and front spindles should be properly
lubricated.
• Wheel Axles should be lubricated with a dry, powdered
graphite type lubricant.
• Spindles should be lubricated with a spray type silicone
base lubricant.
Spindle
OPERATOR PRESENCE SYS TEM AND
REVERSE OPERATION SYSTEM (ROS)
Be sure operator presence and reverse operation sys-
tems are work ing properly. If your riding mower does not
function as described, repair the problem immediately.
• The engine should not start unless the brake pedal
is fully de pressed, and the deck clutch lever 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 deck clutch lever
is engaged, any attempt by the operator to leave the
seat should shut off the engine.
MAINTENANCE
Wheel Axle
14
• The deck clutch lever 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 deck clutch lever en-
gaged, 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 deck clutch lever 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. Re place
worn, bent or damaged blades.
CAUTION: Use only a replacement blade approved
by the manufacturer of your riding mower. Using a blade
not approved by the manufacturer of your riding mower
is hazardous, could damage your riding mower and void
your warranty.
ROS "ON"
POSITION

BLADE REMOVAL

1. Raise mower to highest position to allow access to
blade.
NOTE: Protect your hands with gloves and/or wrap
blade with heavy cloth.
2. Remove blade bolt by turning coun ter clock wise.
3. Install new blade with stamped "THIS SIDE UP" fac-
ing deck and mandrel assembly.
IMPORTANT: To ensure proper as sem bly, center hole in
blade must align with star on mandrel assembly.
4. Install and tighten blade bolt securely (45-55 Ft. Lbs.).
Blade Bolt
(Special)
Center Hole
IMPORTANT: Special blade bolt is heat treated.
ENGINE "ON" POSITION
(NORMAL OPERATING)
Mandrel
Assembly
Blade
Star