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2.
Check the balance of the blade by putting it on a
blade balancer
(Figure
Note:
If the blade stays in a horizontal position,
the blade is balanced and can be used.
Note:
If the blade is not balanced, file some
metal off the end of the sail area only
Figure 68
1. Blade
3.
Repeat this procedure until the blade is
balanced.
Installing the Blades
Note:
Ensure that you install the red-colored blade
on the right side.
1.
Install the blade driver to the new blades with
the shear bolts and locknuts
2.
Torque the shear bolts to 922 to 1130 N∙m (80
to 100 in-lb).
Note:
Align the blade-driver flats with the flats
on the shaft when installing the blade on the
mower deck.
3.
Install the blade, washer, and blade bolt to the
spindle shaft
(Figure
4.
Torque the blade bolt to 115 to 149 N∙m (85-110
ft-lb).
5.
Lower the mower deck to the operating position.
Refer to
Lowering the Mower Deck to the
Operating Position (page
WARNING
Operating a mower deck with loose or
weakened blade bolts can be dangerous.
A loose or weakened blade bolt could
allow a blade rotating at a high speed
to come out from under the mower
deck, causing serious injury or property
damage.
• Replace the blade bolt after striking a
foreign object.
• Use only genuine Toro replacement
parts.
• Do not lubricate the threads of the
bolt or spindle before assembly.
68).
(Figure
2. Balancer
(Figure
66).
66).
18).
Leveling the Mower Deck
1.
Park the machine on a level surface, move the
speed-control lever to the N
disengage the blade-control switch (PTO), and
engage the parking brake.
67).
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
g000553
4.
Verify that all hairpin cotters are in the 7.62
cm (3 inch) mower-deck-height holes with the
spacers under the hairpin cotters
1. Hairpin cotter
2. Spacer
5.
Shorten or lengthen each mower deck support
pin to obtain blade tip height of 7.62 cm (3
inches) at the front of the deck and 8.26 cm (3
1/4 inches) at the rear of the deck
Note:
The front pins are thread into the mower
deck and have a jam nut. The rear pins have a
rod end threaded into them with a jam nut.
58
EUTRAL
47).
(Figure
Figure 69
Right Side Shown
3. Mower-deck support pin
(Figure
position,
69).
g007580
69).
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