Removing The Mower Deck - Toro 74143 Operator's Manual

Installing the Blades
Important: The curved part of the blade must be
pointing upward toward the inside of the mower to
ensure proper cutting.
1. To hold the spindle shaft, use an open end wrench
(1-1/2) on the spindle shaft hex end.
2. Install the blade, spring disk and blade bolt. The
spring disk cone must be installed toward the bolt
head (Figure 81). Torque the blade bolt to 85-110 ft-lb
(115-150 N-m).
1
2
3
4
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Figure 81
1. Sail Area of Blade
2. Blade
3. Spring Disk
5
4. Blade Bolt
5. Spindle shaft hex end

Removing the Mower Deck

Before servicing or removing the mower deck, the spring
loaded deck arms must be locked out.
1. Stop 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 3 inch (7.6 cm)
cutting height location.
4. Remove the belt covers.
5. Lift up the floor pan and insert a ratchet into the square
hole in the deck idler (Figure 82).
6. Rotate the deck idler clockwise and remove the mower
belt (Figure 82).
1. Clutch pulley
2. Mower belt
3. Spring loaded idler pulley
4. Ratchet
7. Remove and retain the hardware on both sides of the
deck as shown in Figure 83.
52
Figure 82
5. Square hole in the idler
arm for the ratchet
6. Idler grease zerk
7. Belt guide
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