Service Manual

MOWER DECKS

7-63Z580/Z589 DFI Z Master Service Manual

Gearbox Rebuild

1. Remove the two gearbox drain plugs and drain the

oil from the gearbox (Fig. 769).

3. Carefully remove the pinion assembly (Fig. 771).

Fig 769 PICT-5631a

Fig 771 PICT-5646a

4. Remove the o-ring from the pinion pilot (Fig. 772).

Fig 772 PICT-5649a

2. Remove the 4 bolts securing the pinion housing to

the case (Fig. 770).

Note: The bolts securing the end caps to the gear-

box housing are patch lock bolts and must be

replaced with new patch lock bolts.

Fig 770 PICT-5636a