MOWER DECKS
31. Torque the top nut to 100 to 120 ft-lbs. (135.58 to
162.7 Nm) (Fig. 619).
32. Grease the spindle assembly using a grease gun
with #2 grease.
7
7-20
Fig 619
DSC-2709a
Mower Spindle Installation
1. 72" mower decks: Position the spindle assembly
into the mower deck. Install the 6 self-tapping bolts
securing the spindle assembly to the mower deck
(Fig. 620).
Fig 620
2. 72" mower decks: Install the mower blade onto the
spindle assembly. Torque bolt to 85 - 110 ft-lbs. (115-
149 Nm).
3. 72" mower decks: Install 3 bolts retaining the
pulley to the spindle hub. Torque bolts to 23 ft-lbs.
(31 Nm) (Fig. 621).
Fig 621
Z580/Z589 DFI Z Master Service Manual
DSC-2666a
DSC-2662a