Replacing The Drive Belt; Replacing The Mower Belt - Toro 30632 Operator's Manual

Replacing the Drive Belt

1. Park the machine on a level surface, disengage
the PTO, and engage the parking brake.
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Raise the rear of the machine and hold it up with
jack stands.
4. Remove the mower belt
Figure 38
1. Idler pulley in the 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 drive pulleys
6. Install the new drive belt around the engine and
drive pulleys (Figure
7. Slide the idler pulley in the engine frame to
tension the traction belt
8. Install the mower belt
9. Check the belt guide under the engine frame for
the proper adjustment
Note:
The distance between the belt guide and
mower belt should be 19 mm (3/4 inch) when
you engage the mower belt. 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. Park the machine on a level surface, disengage
the PTO, and engage the parking brake.
(Figure 38).
4. Belt guide
5. 19 mm (3/4 inch)
6. Traction belt
(Figure 38).
38).
(Figure 38).
(Figure 38).
(Figure 38).
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Remove the knobs and belt cover from the
mower.
4. Remove the idler pulley and worn belt.
5. Install the new mower belt.
6. Install the idler pulley.
7. Engage the PTO and check the belt tension.
Note:
The proper mower belt tension is 44 to
67 N∙m (10 to 15 ft-lb) with the belt deflected
13 mm (1/2 inch) halfway between the pulleys
(Figure 42
8. Engage the PTO.
9. Check the clearance between the bell crank and
transmission-output shaft
Note:
The clearance should be 2 to 3 mm (1/16
to 1/8 inch).
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1. 2 to 3 mm (1/16 to 1/8 inch) 4. Hairpin cotter
2. Bell crank
3. Transmission-output shaft
10. Remove the hairpin cotter and clevis pin from
the bell crank
11. Rotate the clevis clockwise on the rod to increase
the clearance; rotate it counterclockwise to
decrease it
12. Disengage the PTO.
Note:
If the assist arm does not contact the
front stop on the mower deck
Figure 41), adjust the clevis to bring the bell
crank closer to the transmission-output shaft
(Figure 39).
36
or Figure 43).
(Figure
Figure 39
5. Clevis pin
6. Clevis
(Figure 39).
(Figure 39).
(Figure 40
39).
g001477
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