Replacing The Drive Belt - Toro 38581 Operator's Manual

Replacing the Drive Belt

If drive belt becomes worn, oil-soaked, excessively
cracked, frayed, or otherwise damaged, replace the belt.
1. Remove the drive belt cover by removing the 3 bolts
as shown in Figure Figure 27.
1. Drive belt cover
2. Bolt (3)
3. Rotor pulley bolt
4. Curved washer
5. Rotor pulley
2. Unhook the brake spring from the idler arm to
release the belt tension (Figure 27).
3. Remove the screw and curved washer that holds the
rotor pulley (Figure 27).
4. Remove the rotor pulley and the drive belt
(Figure 27).
5. Install the new drive belt, routing it as shown in
(Figure 28).
1. Brake spring (install on
idler arm here)
2. Idler pulley
Figure 27
6. Drive belt
7. Rotor shaft
8. Brake spring (unhook from
idler arm here)
9. Idler pulley
10. Engine pulley
Figure 28
3. Engine pulley
4. Rotor pulley
Note: Route the new drive belt first around the
engine pulley, then the idler pulley, and finally around
the loose rotor pulley positioned just above the rotor
shaft (Figure 27).
6. Install the rotor pulley onto the rotor shaft
(Figure 27).
7. Install the curved washer and the rotor pulley bolt
and tighten them securely (Figure 27).
Note: The concave side of the curved washer goes
against the outside of the pulley.
8. Install the brake spring onto the idler arm (Figure 28).
9. Install the drive belt cover with the bolts you
removed in step 1.
Note: Ensure that the drive belt is properly adjusted
and operating; refer to Checking the Control Cable
and Adjusting the Control Cable.
14