Belt Maintenance; Inspecting The Belts; Replacing The Mower Belt - Toro 74266CP Operator's Manual

Belt Maintenance

Inspecting the Belts

Service Interval: Every 100 hours
Check belts for cracks, frayed edges, burn marks, or any
other damage. Replace damaged belts.

Replacing the Mower Belt

Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks
are signs of a worn mower belt. Replace the mower belt
if any of these conditions are evident.
1. Disengage the PTO, move the motion control levers
to the neutral locked position and set the parking
brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Remove the belt covers (Figure 67).
Figure 67
1. Belt cover
2. Latch
4. For 72 inch mowers, loosen the idler plate bolts
holding the idler plate (Figure 70).
5. Remove the idler spring.
6. Remove the belt guide on the spring loaded idler
pulley shown in Figure 68 and Figure 70.
7. Remove the existing belt.
8. Install the new belt around the mower pulleys and
the gearbox pulley under the engine (Figure 68).
3. Insert slot into the tab
1. Mower belt
2. Mower spindle pulley
3. Spring loaded idler pulley
4. Belt guide at a 45 degree
angle
9. Install the belt guide on the spring loaded idler at a
45 degree angle as shown in Figure 68 and Figure 70.
Torque the bolt to 27 to 33 ft-lb (37 to 45 N-m).
10. Install the idler spring to the two posts (Figure 68
and Figure 70).
11. For 72 inch mowers, adjust the belt tension, refer to
Adjusting the Mower Belt Tension.
12. Install the belt covers by sliding the cover into the
tab, install the bolts, and close the latches (Figure 69).
1. Belt cover
2. Latch
49
Figure 68
5. Gearbox pulley
6. Idler spring
7. Idler plate (for 72 inch
mowers only)
Figure 69
3. Insert slot into the tab