Toro Diesel Z Master Service Manual page 300

43. Install the key into the pinion shaft keyway (Fig.
971).
Fig 971
44. Align the keyway in the pinion gear with the key
installed in the shaft. Press the pinion gear onto the
shaft (Fig. 972).
Fig 972
Z580/Z593/Z595 Diesel Service Manual
45. Install a washer onto the pinion shaft (Fig. 973).
IMG-8543
46. Install the lock nut onto the pinion shaft (Fig. 974).
Note: Secure the assembly in a vise and tighten the
lock nut enough to draw the gear and washer
until the bearings bind slightly. Back off the
nut approximately 1/8 of a turn.
IMG-8546a
MOWER DECKS
Fig 973
Fig 974
IMG-8547
7
IMG-8494a
7-77