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Figure 52
1. Blade
3.
Repeat this procedure until the blade is
balanced.
Installing the Blades
1.
Install the blade onto the spindle shaft
50).
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 (cupped side toward
the blade) and the blade bolt
3.
Torque the blade bolt to 47 to 88 N∙m (35 to 65
ft-lb).
Leveling the Mower Deck
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 the
Checking for Bent Blades (page 37)
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
Leveling from Side to Side
1.
Park the machine on a level surface and
disengage the blade-control switch.
2.
Move the motion-control levers outward to the
P
position, shut off the engine, remove the
ARK
key, and wait for all moving parts to stop before
leaving the operating position.
3.
Set the height-of-cut lever to middle position.
4.
Carefully rotate the blades so that they are all
side to side
(Figure 53
g000553
2. Balancer
(Figure
(Figure
50).
before
Checking
35).
and
Figure
54).
Mower Decks with 2 Blades
1. Blades side to side
2. Sail area of blade
Mower Decks with 3 Blades
1. Blades side to side
2. Sail area of blade
5.
Measure between the outside cutting edges and
the flat surface
Note:
If both measurements are not within
5 mm (3/16 inch), an adjustment is required;
continue with this procedure.
6.
Move to the left side of the machine.
7.
Loosen the side locking nut.
8.
Raise or lower the left side of the mower deck
by rotating the rear nut
Note:
Rotate the rear nut clockwise to
raise the mower deck; rotate the rear nut
counter-clockwise to lower the mower deck.
(Figure
55).
39
Figure 53
3. Outside cutting edges
4. Measure from the tip of the
blade to the flat surface
here
Figure 54
3. Outside cutting edges
4. Measure from the tip of the
blade to the flat surface
here
(Figure 53
and
Figure
(Figure
55).
g009682
g005278
54).
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