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Tires
WARNING:
inflation pressure shown on the sidewall of the
tire.
The recommended operating tire pressure is
approximately 10 psi for the rear tires and
approximately 14 psi for the front tires. Refer to the tire
sidewall for exact tire manufacturer's recommended or
maximum psi. Do not overinflate. Uneven tire pressure
could cause the cutting deck to mow unevenly.
Cutting Blades
WARNING:
remove ignition key, disconnect the spark
plug wire(s) and ground against the engine to
prevent unintended starting before removing
the cutting blade(s) for sharpening or
replacement. Protect your hands by using
heavy gloves or a rag to grasp the cutting
blade.
WARNING:
adapter and/or spindle for cracks or damage,
especially if you strike a foreign object.
Replace immediately if damaged
The blades may be removed as follows.
•
Remove the deck from beneath the tractor, (refer to
Cutting Deck Removal on page 18) then gently flip the
deck over to expose its underside.
•
Place a block of wood between the center deck
housing baffle and the cutting blade to act as a
stabilizer. See Figure 18.
Hex Flange Nut
Spindle Assembly
Figure 18
•
Use a 15/16" wrench to remove the hex flange nut
that secures the blade to the spindle assembly. See
Figure 18.
Never exceed the maximum
Be sure to shut the engine off,
Periodically inspect the blade
.
Wood Block
To properly sharpen the cutting blades, remove equal
amounts of metal from both ends of the blades along
the cutting edges, parallel to the trailing edge, at a 25°
to 30° angle. See Figure 19.
Worn Blade Edge
Sharpen Edge Evenly
If the cutting edge of the blade has already
IMPORTANT:
been sharpened to within 5/8" of the wind wing radius,
or if any metal separation is present, replace the blades
with new ones. See Figure 19.
It is important that each cutting blade edge be ground
equally to maintain proper blade balance. A poorly
balanced blade will cause excessive vibration and may
cause damage to the tractor and result in personal
injury.
The blade can be tested by balancing it on a round
shaft screwdriver. Grind metal from the heavy side until
it balances evenly.
When replacing the blade, be sure to install the blade
with the side of the blade marked ''Bottom'' (or with a
part number stamped in it) facing the ground when the
mower is in the operating position.
Use a torque wrench to tighten the blade
IMPORTANT:
spindle hex flange nut to between 70 foot-pounds and
90 foot-pounds.
Battery
The battery is sealed and is maintenance-free. Acid
levels cannot be checked.
•
Always keep the battery cables and terminals clean
and free of corrosive build-up.
•
After cleaning the battery and terminals, apply a
light coat of petroleum jelly or grease to both
terminals
•
Always keep the rubber boot positioned over the
positive terminal to prevent shorting.
22
Blade Separation
Wind Wing
Figure 19
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