Removing The Mower Deck - Toro Z Master Professional 500 Series Operator's Manual

Removing the Blades
Replace the blades if they hit a solid object, or if the
blade is out of balance or bent.
1. Hold the blade end using a rag or thickly padded
glove.
2. Remove the blade bolt, curved washer, and
blade from the spindle shaft
Figure 95
1. Sail area of the blade
2. Blade
Sharpening the Blades
1. Use a file to sharpen the cutting edge at both
ends of the blade
Note:
Maintain the original angle.
Note:
The blade retains its balance if the same
amount of material is removed from both cutting
edges.
Figure 96
1. Sharpen at original angle.
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 95).
3. Curved washer
4. Blade bolt
(Figure 96).
97).
(Figure
1. Blade
3. Repeat this procedure until the blade is
balanced.
Installing the Blades
1. Install the blade onto the spindle shaft
95).
Important:
must point upward toward the inside of the
mower to ensure proper cutting.
2. Install the curved washer and blade bolt
95).
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).
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Removing the Mower Deck

Lock out the spring-loaded deck arms before servicing
or removing the mower deck.
WARNING
Deck-lift arm assemblies have stored energy.
Removing the deck with out releasing the
stored energy can cause serious injury or
death.
Do not attempt to disassemble the deck from
the front frame without locking out the stored
energy.
1. Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
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2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Place the height adjustment pin in the 7.6 cm (3
inch) cutting-height location.
Note:
This locks the deck-lift arms in the lowest
position when the deck is removed and the
stored energy in the deck spring is released.
96). 4. Remove the belt covers.
61
Figure 97
2. Balancer
The curved part of the blade
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(Figure
(Figure