Replacing The Mower Belt - Toro 30632 Operator's Manual

4. Remove the mower belt (Figure 37).
1. Idler pulley in slot
2. Traction belt
3. Mower belt
5. Loosen the pivot bolt enough to slide the idler pulley
in the slot and remove the traction belt from the
engine and the drive pulleys (Figure 37).
6. Install the new drive belt around the engine and the
drive pulleys (Figure 37).
7. Slide the idler pulley in the engine frame to tension
the traction belt (Figure 37).
8. Install the mower belt (Figure 37).
9. Check the belt guide under the engine frame for the
proper adjustment (Figure 37).
Note: The distance between the belt guide and
mower belt should be 3/4 inch (19 mm) when the
mower belt is engaged. Adjust the belt if necessary.
The disengaged belt should not drag or fall off the
pulley when the guides are properly adjusted.

Replacing the Mower Belt

Important: The brake needs to be adjusted when
the belt tension or the brake linkage is adjusted.
1. Disengage the blade control (PTO) lever and set the
parking brakes.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
3. Remove the knobs and the belt cover on the mower.
4. Remove the idler pulley and the worn belt.
5. Install the new mower belt.
6. Install the idler pulley.
7. Engage the blade control (PTO) lever and check
the belt tension. Refer to Adjusting the Mower Belt
Tension.
Figure 37
4. Belt guide
5. 3/4 inch (19 mm)
6. Mower belt
Note: The proper mower belt tension is 10-15 ft-lb.
(44-67 N) with the belt deflected 1/2 inch (13 mm)
halfway between the pulleys (Figure 41 or Figure 42).
8. Engage the blade control (PTO) lever.
9. Check the clearance between the bell crank and the
transmission output shaft (Figure 38).
1. 1/16-1/8 inch (2-3 mm)
2. Bell crank
3. Transmission output shaft
Note: The clearance should be 1/16-1/8 inch
(2-3 mm).
10. Remove the hairpin cotter pin and the clevis pin
from the bell crank.
11. Rotate the clevis clockwise on the rod to increase
the clearance; rotate it counterclockwise to decrease
it (Figure 38).
12. Disengage the blade control (PTO) lever.
Note: If the assist arm does not contact the front
stop on the mower deck (Figure 39 or Figure 40),
adjust the clevis to bring the bell crank closer to the
transmission output shaft (Figure 38).
32
Figure 38
4. Hairpin cotter
5. Clevis pin
6. Clevis