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5.
Looking at the cutting deck from the left
side of the rider, locate the bow-tie pin that
secures the deck support rod on the rear left
side of the deck. See Figure 4-12. Remove
the bow-tie pin that secures the deck
support rod, and carefully remove the deck
support from the deck lift arm.
Figure 4-12
6.
Repeat step 5 on the rider's right side.
7.
Move the deck lift lever into the top notch
on the right fender to raise the deck lift arms
up and out of the way.
8.
On 38" decks, gently slide the cutting deck
toward the front of the tractor carefully
guiding the hooks on the deck off of the
deck stabilizer rod. See Figure 4-13.
Figure 4-13
9.
On 42" and 46" decks, remove the bow-tie
pin securing the deck stabilizer rod to
the deck. Slide the deck lift rod from the
mounting weldment on the deck as seen in
Figure 4-14.
Figure 4-14
10.
Carefully remove the PTO cable from the rear
of the cutting deck by removing the bow-tie
clip which secures it. Remove the spring from
the deck idler bracket. See Figure 4-15.
Figure 4-15
11.
Gently slide the cutting deck (from the left
side) out from underneath the rider.
Tires
WARNING
Never exceed the maximum inflation pressure shown on
the sidewall of the tire.
The recommended operating tire pressure is:
•
Approximately 10 psi for the rear tires
•
Approximately 14 psi for the front tires
IMPORTANT: 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
Shut the engine OFF and remove the key before removing
the cutting blade(s) for sharpening or replacement. Protect
your hands by using heavy gloves when grasping the blade.
WARNING
Periodically inspect the blade spindles for cracks or
damage, especially if you strike a foreign object. Replace
immediately if damaged.
The blades may be removed as follows:
1.
Remove the deck from beneath the rider,
(refer to Cutting Deck Removal on page 18)
then gently flip the deck over to expose its
underside.
2.
Place a block of wood between the center
deck housing baffle and the cutting blade to
act as a stabilizer. See Figure 4-16.
3.
Remove the hex flange nut that secures the
blade to the spindle assembly. See Figure
4-16.
Figure 4-16
4.
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.
IMPORTANT: If the cutting edge of the
blade has already been sharpened to
within 1-5⁄8" from the edge, or if any metal
separation is present, replace the blades
with new ones. See Figure 4-17.
Figure 4-17
CAUTION
If the cutting edge of the blade has previously been sharpened,
or if any metal separation is present, replace the blades with
new ones.
WARNING
A poorly balanced blade will cause excessive vibration, may
cause damage to the rider and/or result in personal injury.
5.
Test the blade's balance using a blade
balancer. Grind metal from the heavy side
until it balances evenly.
NOTE: 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.
CAUTION
Use a torque wrench to tighten the blade spindle hex flange
nut to between 70 ft-lbs and 90 ft-lbs.
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