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3.
Apply copper-based lubricant or grease to the
threads of the blade bolt as needed to prevent
seizing. Install the blade bolt finger-tight.
4.
Place a wrench on the flat of the spindle shaft
and torque the blade bolt to 75 to 81 N∙m (55
to 60 ft-lb).
Leveling the Mower Deck
Note:
Ensure that the mower deck is level before
matching the height of cut (HOC).
1.
Park the machine on a level surface, disengage
the blade-control switch, and engage the parking
brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Check tire pressure of the drive tires.
If needed, adjust to 124 kPa (18 psi).
4.
Using the deck-lift switch, move the deck height
out of the transport position (140 mm/5-1/2
inches cutting height).
Figure 80
1. Height-of-cut bracket
5.
Insert the height-of-cut pin into the 76 mm (3
inches) height-of-cut location.
6.
Release the transport lock and allow the deck to
lower to the cutting height.
7.
Raise the discharge deflector.
8.
Measure from the level surface to the front tip of
the center blade
Note:
The measurement should read 76 mm
(3 inches).
In most conditions, the back tips on the side
blades should be adjusted to 6.4 mm (1/4 inch)
higher than the front.
2. Height-of-cut pin
(Figure
81).
1. 83 mm (3-1/4 inches)
2. Rear blade tip
3. Front blade tip
9.
Fine-tune the adjustment nut on the front deck
lift assembly by turning it
Note:
To increase the height, turn the
adjustment nut clockwise; to decrease, turn it
counterclockwise.
Note:
If the front deck links do not have enough
adjustment to achieve accurate cutting height,
you can use the single-point adjustment to gain
more adjustment.
g227689
61
Figure 81
4. 76 mm (3 inches)
5. Level surface
(Figure
82).
g009997
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