Toro 30506 Operator's Manual page 6

1. PTO shaft
CAUTION
If the engine is started and the PTO shaft is
allowed to rotate, serious injury could result.
Do not start the engine and engage the PTO
lever when the PTO shaft is not connected to
the gear box on the cutting unit.
2
Installing the New Spindle
Pulley
Parts needed for this procedure:
1 Double pulley
1 Pulley nut
1 Nut cover
Procedure
1. Unhook the latches securing the right cover to the top
of the cutting unit. Remove the cover from the cutting
unit.
2. Loosen the 2 nuts securing the idler plate so the tension
of the idler pulley against the belt is released
Figure 3
(Figure
1. Idler plate
2. Nut (2)
3. Remove the belt from the right spindle pulley
4).
4. Remove the six carriage bolts and flange nuts securing
the spindle housing assembly to the cutting unit
5). Slide the spindle housing assembly out of the
bottom of the cutting unit.
5. Remove the nut and washer retaining the pulley on the
spindle shaft. Remove the pulley from the shaft.
6. Slide the new double spindle pulley onto the spindle
shaft. Do not install the pulley nut at this time.
7. Slide the pulley end of spindle housing assembly
through the hole in the cutting unit, and loop the
belt around the pulley and idler. Mount the spindle
assembly in place with 6 carriage bolts and flange nuts.
4).
1. Carriage bolts
2. Double spindle pulley
8. Install the original washer and new pulley nut onto the
spindle shaft and tighten it to 100 ft-lb (135.5 N-m).
Install the nut cover.
9. Adjust (tighten) the idler adjusting nut to 35 to 40 ft-lb
(48 to 54 N-m) to achieve the proper belt tension.
Tighten the idler plate nuts.
6
Figure 4
3. Idler adjusting nut
Figure 5
3. Pulley nut
(Figure
(Figure