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5.
On 38" Decks: Looking at the cutting deck
from the left side of the tractor, 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 cotter
pin that secures the deck support rod and
carefully remove the deck support from the
deck lift arm. Repeat on the tractors right
side.
NOTE: The bow-tie hair-pin clips should be
re-installed from the top down.
Figure 4-12
6.
On 42" & 46" Decks: Looking at the
cutting deck from the left side of the
tractor, remove the bow-tie cotter pin
securing the deck lift rod to the deck.
Slide the deck lift rod from the mounting
weldment on the deck as seen in Figure
4-13. Repeat on the tractor's right side.
NOTE: The bow-tie hair-pin clips should be
re-installed from the top down.
Figure 4-13
7.
On all decks: 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.
On 42" & 46" Decks: Remove the bow-tie
cotter 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.
9.
Carefully remove the PTO cable from the
rear of the cutting deck by removing the
hair pin clip which secures it. Remove the
spring from the deck idler bracket. See
Figure 4-15.
10.
Gently slide the cutting deck (from the left
side) out from underneath the tractor.
Figure 4-14
Figure 4-15
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 tractor,
(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 thetractor 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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