Removing The Mower Deck - Toro 74904 Operator's Manual

Note: If the blade stays in a horizontal position, the
blade is balanced and can be used.
1. Blade
3. If the blade is not balanced, file some metal off the end
of the sail area only
4. Repeat this procedure until the blade is balanced.
Installing the Blades
1. Install the blade onto the spindle shaft
Important: The curved part of the blade must be
pointing upward toward the inside of the mower to
ensure proper cutting.
2. Install the spring disk and blade bolt
Note: The spring-disk cone must be installed toward
the bolt head (Figure
3. Torque the blade bolt to 115 to 150 N-m (85 to
110 ft-lb).
1. Sail area of the blade
2. Blade
Figure 97
2. Balancer
(Figure 95).
(Figure
(Figure
98).
Figure 98
3. Spring disk
4. Blade bolt

Removing the Mower Deck

Before servicing or removing the mower deck, lock out the
spring-loaded deck arms.
WARNING
Deck-lift-arm assemblies have stored energy.
Removing the deck without 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,
remove the key, and engage the parking brake.
2. Remove the height-adjustment pin and lower the deck
to the ground.
98).
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 you remove the deck and release the
98).
stored energy in the deck spring.
4. Remove the belt covers.
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
62
(Figure
(Figure 99).
99).