Toro Z580 DFI Z Master Service Manual page 233

MOWER DECKS
3. Apply thread locking compound to all 4 pulley set
screws. Start the set screws into the pulley hubs
(Fig. 705).
Slide the gearbox drive pulley onto the gearbox drive
shaft (Fig. 706).
Note: Install the pulley so that the pulley hub is
flush + .03" (0.76mm) with the end of the
gearbox shaft.
7
7-44
Fig 705 PICT-3917a
Fig 706 PICT-3918a
4. Tighten the set screws (Fig. 707).
Fig 707
5. Torque each set screw to 145 + 20 in-lbs. (16 + 2.25
Nm) (Fig. 708).
Fig 708
Z580/Z589 DFI Z Master Service Manual
PICT-3919a
PICT-3921a