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1. Blade
3.
Repeat this procedure until the blade is
balanced.
Installing the Blades
1.
Install the blade onto the spindle shaft
70).
Important:
The curved part of the blade
must point upward toward the inside of the
mower to ensure proper cutting.
2.
Install the curved washer and blade bolt
70).
Note:
Install the curved-washer cone toward
the bolt head.
3.
Torque the blade bolt to 115 to 150 N∙m (85 to
110 ft-lb).
Adjusting the Side-to-Side
Leveling and the Blade
Slope
Check to ensure that the mower deck is level any time
you install the mower or when you see an uneven cut
on your lawn.
Check the mower deck for bent blades prior to
leveling, and remove and replace any bent blades;
refer to
Servicing the Cutting Blades (page 52)
continuing.
Level the mower deck side-to-side first; then you can
adjust the front-to-rear slope.
Requirements:
•
The machine must be on a level surface.
•
All tires must be properly inflated; refer to
the Tire Pressure (page
1.
Park the machine on a level surface, disengage
the blade-control switch (PTO), 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 the tire pressure in the drive tires; refer to
Checking the Tire Pressure (page
Figure 72
2. Balancer
43).
43).
4.
Position the mower deck in the transport-lock
position.
5.
Carefully rotate the blades from side to side.
6.
Measure between the blade tip and the flat
g000553
surface
not within 5 mm (3/16 inch), adjust the leveling;
continue with this procedure.
(Figure
(Figure
1. Blades side to side
2. Blade tip
7.
Check the front-to-rear blade level
Ensure the front blade tip is lower than the rear
blade tip as shown in the block height and rake
table. If adjustment is needed, continue with this
procedure.
before
Checking
1. Blades front to rear
2. Blade tip
8.
Set the anti-scalp rollers to top holes or remove
them completely for this adjustment.
9.
Place 2 blocks (see Block Height and Rake
Table) under the rear edge of the cutting deck
55
(Figure
73). If both measurements are
Figure 73
3. Measure from the tip of the
blade to the flat surface
here.
Figure 74
3. Measure from the tip of the
blade to the flat surface
here.
g037879
(Figure
74).
g037880
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