Toro Diesel Z Master Service Manual page 271

MOWER DECKS
17. Remove the 2 set screws from the gearbox drive
pulley (Fig. 862).
18. Remove the pulley (Fig. 863).
7
7-48
Fig 862 PICT-3908
Fig 863 PICT-3918a
19. Remove the key from the keyway (Fig. 864).
Fig 864
20. Inspect the keys, gearbox shafts and pulleys. Re-
place if worn or damaged.
21. Check the gearbox oil level. Refer to "Checking the
Gearbox Oil Level" on page 7-54.
Z580/Z593/Z595 Diesel Service Manual
PICT-3912a