Traction Drive Belt - Toro 04021 Operator's Manual

3. To adjust belt tension:
A. Loosen the bearing housing mounting nuts
(Fig. 38).
Figure 42
1. Reel drive belt
B. Using a 3/8 in. drive torque wrench, rotate the
bearing housing with 35–40 in.-lb. of torque to set
belt tension (Fig. 39).
Figure 43
1. Bearing housing
C. Tighten the bearing housing mounting nuts
(Fig. 38). Do not over-tension belt.
D. Install belt cover.
2. Bearing housing mounting
nuts
2. 3/8" Torque wrench here
28

Traction Drive Belt

1. Remove belt cover mounting fasteners and belt cover
to expose belt (Fig. 44).
Figure 44
1. Traction drive belt cover
2. Check tension by depressing belt (Fig. 45) at mid span
of pulleys with 4 1 lb. of force. Belt should deflect
1/4 in. If deflection is incorrect, proceed to next step.
Figure 45
1. Traction drive belt
3. To adjust belt tension:
A. On back side of side plate, loosen the capscrew
securing the idler bracket to the side plate
(Fig. 46).