Toro 30582 Operator's Manual page 54

9. Loosely secure motor mount to deck with the (4)
flangehead capscrews and washers previously removed.
10. Check the drive pulley (Fig. 69) height as follows:
• Slide the height gauge (Fig. 69) under drive pulley (not
under taper lock bushing).
• Equally tighten or loosen (3) adjusting screws (Fig. 69)
until bottom of pulley rests flush on height gauge
(approximately 1–1/2").
• Tighten the front adjusting screw nuts to lock the
adjustment. Remove the height gauge and store it in the
tool box.
• Tighten the (4) flangehead capscrews and washers
securing motor mount to deck.
• Remove the rear adjusting screw and nut and store them
in the tool box.
11. Tighten tensioner bolt until springs are compressed to
dimension shown in figure 67.
12. Tighten jam nut securing adjustment (Fig. 67).
13. Tighten (4) capscrews securing slide plate to motor
mount (Fig. 67).
1
2
Figure 70
1. Top and middle grooves
2. Bottom grooves
14. Tension the front idler pulleys (Fig. 71) as follows:
• Loosen the jam nuts on idler arm spring tension rod.
• Thread the jam nuts in or out until the tension spring
length is 6.75  .25".
• Tighten the jam nuts to lock the adjustment.
• Loosen the jam nuts on the idler arm stop screw.
• Thread the stop screw in or out until the distance
between idler arm and stop screw head is
approximately .12"
• Tighten the jam nuts to lock the adjustment.
3
4
3. Top grooves
4. Top and middle grooves
54
6.75" $ .25
5
+.12
.12"
–.00
Figure 71
1. Idler pulley
2. Idler arm
3. Tension spring
15. Replace deck covers.
Outboard Cutting Units
Note: To remove lower belt, the other two belts must first
be removed.
1. Position machine on level surface, lower cutting unit to
shop floor, engage parking brake, shut engine off and
remove key from ignition switch.
2. Remove deck covers. Loosen flange locknuts on idler
pulleys and slide pulleys away from belts.
3. Remove flange head screws securing gearbox plate to
deck. To separate plate and drive motor assembly from
deck, rotate plate end toward traction unit (Fig. 68). Tip
plate, motor and pulley assembly on its side and remove
from deck. Be careful not to bend, twist, kink or
damage flexible hydraulic lines.
4. Remove belt(s). Position new belt(s) in pulleys and
assemble gear box and plate assembly to deck.
5. Adjust belt tension; refer to Inspecting and Adjusting
the Cutting Unit Belt Tension, page 52.
4
3
1
2
4. Spring tension rod
5. Stop screw