Replacing The Mower Belt; Replacing The Pto-Drive Belt - Toro 30070 Operator's Manual

4. Remove the PTO-drive belt; refer to
PTO-Drive Belt (page
5. Raise the front of the machine and hold it with jack
stands.
6. Disconnect the clutch wire connector from the wiring
harness.
7. Disconnect the clutch retainer from the engine deck
(Figure 43).
1. Transmission belt
2. Idler pulley
3. Clutch retainer
4. Tension spring
8. Unhook the tension spring from the side of the frame
(Figure 43).
9. Loosen the pivot bolt enough to remove the traction
belt from the drive pulley and clutch.
10. Install a new belt around the clutch and the drive pulley.
11. Torque the pivot bolt to 47-54 N-m (35-40 ft-lb).
12. Install the tension spring between the idler arm and the
frame bracket (Figure
13. Install the clutch retainer to the engine deck
14. Connect the clutch wire connector to wiring harness.
15. Install the PTO-drive belt.
16. Install the panel to the bottom of the machine.

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 deck belt. Replace the deck belt if any of
these conditions are evident.
1. Disengage the PTO 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 carrier frame cover.
Replacing the
33).
Figure 43
5. Clutch-wire connector
6. Pivot bolt
7. Drive pulley
8. Engine deck
43).
(Figure
4. Remove the belt cover with bolts.
5. Remove the PTO-drive belt; refer to
PTO-Drive Belt (page
6. Disconnect the idler arm spring to relieve tension on
the idler arm and idler pulley, then remove the worn
mower belt
7. Install the new mower belt around the 2 outside spindle
pulleys, the idler pulley, and in the lower groove of the
double-spindle pulley
8. Connect the idler arm spring
9. Install the PTO-drive belt; refer to
PTO-Drive Belt (page
10. Adjust the belt guide an 3 mm (1/8 inch) from the belt
(Figure 44).
11. Install the belt cover onto the cutting unit and screw
in the bolts.
12. Install the carrier-frame cover onto the cutting unit.
43).
1. Mower-deck belt
2. PTO-drive belt
3. Drive-belt pulley

Replacing the PTO-Drive Belt

Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks are
signs of a worn drive belt. Replace the drive belt if any of
these conditions are evident.
1. Disengage the PTO 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 carrier-frame cover.
33
33).
(Figure 44).
(Figure 44).
(Figure
Replacing the
33).
Figure 44
4. Idler-arm spring
5. Drive-belt pulley
Replacing the
44).