Toro Z580 DFI Z Master Service Manual page 235

MOWER DECKS
9. Position the gearbox assembly to the frame (Fig.
713).
10. Install 4 mounting bolts and lock washers securing
the gearbox assembly to the frame. Torque the 4
mounting bolts to 145 + 20 in-lbs. (16 + 2.25 Nm)
(Fig. 714).
7
7-46
Fig 713 IMG-0632a
Fig 714 IMG-0634a
11. Install the deck drive belt around gearbox mower
deck drive pulley (Fig. 715).
Fig 715
12. Using a spring tool (Toro p/n: 92-5771), install the
mower deck idler spring (Fig. 716).
Fig 716
Z580/Z589 DFI Z Master Service Manual
IMG-0627a
PICT-3880a