Removing The Mower Deck - Toro 74933 Operator's Manual

1. Sharpen at original angle
2. Check the balance of the blade by putting it on a blade
balancer (Figure 96). If the blade stays in a horizontal
position, the blade is balanced. If the blade is not
balanced, file some metal off the end of the sail area
only (Figure 97). Repeat this procedure until the blade
is balanced.
1. Blade
Installing the Blades
1. Install the blade onto the spindle shaft
Important: The curved part of the blade must
point upward toward the inside of the mower to
ensure proper cutting.
2. Install the spring disk and blade bolt. The spring disk
cone must be installed toward the bolt head
1. Sail area of the blade
2. Blade
3. Spring disk
Figure 95
Figure 96
2. Balancer
(Figure
(Figure
Figure 97
4. Blade bolt
5. Cone toward bolt head
3. Torque the blade bolt to 115 to 150 N∙m (85 to
110 ft-lb).

Removing the Mower Deck

Before servicing or removing the mower deck, the spring
loaded deck arms must be locked out.
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. Shut off the engine, wait for all moving parts to stop,
and remove key. Engage parking brake.
2. Remove the height adjustment pin and lower the deck
to the ground.
3. Place the height adjustment pin in the 76 mm (3 inch)
cutting height location. 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.
4. Remove the belt covers.
97).
5. Lift up the floor pan and insert a ratchet into the square
hole in the deck idler
6. Rotate the deck idler clockwise and remove the mower
belt (Figure
97).
62
(Figure 98).
98).