Replacing The Drive Belts; Adjusting The Drive Belts - Toro 74280TE Operator's Manual

Figure 55
1. Three stack pulleys
2. Mower belt

Replacing the Drive Belts

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.
Note: Remove the top drive belt first if the
bottom drive belt needs to be replaced.
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 rear engine panel (Figure 56).
3. Mower spindle pulley
4. Mower idler pulley
Figure 56
1. Rear engine panel
4. Pull on the spring loaded idler pulley to loosen
the belt tension (Figure 57).
5. Remove the worn drive belt.
6. Install the new drive belt around the clutch
pulley, the adjustable idler pulleys, the spring
loaded idler pulley, and the front three stacked
pulleys (Figure 57).
7. Adjust the belt tension; refer to Adjusting the
Drive Belts.
Figure 57
1. Drive belt
2. Clutch
3. Spring loaded idler pulley

Adjusting the Drive Belts

Adjust the drive belts after the first 8 operating
hours and every 50 hours there after.
1. Disengage the PTO, move the motion control
levers to the neutral locked position and set
the parking brake.
47
4. Adjustable idler pulley
5. Three stacked pulleys
6. Mower belt