Toro Groundsmaster 3280-D Service Manual page 445

Removing the Gearbox (continued)
Groundsmaster ® 3280-D/3320
05138SL Rev B
Do not start the engine and engage the PTO switch when the PTO
driveshaft is disconnected from the cutting deck. If you start the
engine and the PTO shaft is allowed to rotate, serious personal injury
and machine damage could result.
If the PTO driveshaft is disconnected from the cutting deck,
disconnect the PTO electric clutch electrical connector.
3. Disconnect the PTO driveshaft from the gearbox; refer to
PTO Driveshaft (page
4. Remove the 4 bolts (item 3 in
the gearbox assembly to the gearbox brackets.
5. Remove the 4 carriage screws, 4 flange nuts, 4 washers, and 4 mounts that
secure the left and right gearbox brackets (items 8 and 6 in
deck mounting plate, and remove the brackets from the deck.
6. Remove the gearbox assembly (with the drive pulley attached) from the deck.
Drain the lubricant from the gearbox.
7. Remove the 2 set screws (item 12 in
bushing to the drive pulley on the gearbox shaft.
g223657
1. Set screw installation position
8. Install 1 of the removed set screws into the threaded hole of the bushing.
Tighten the set screw to loosen the bushing from the pulley hub
9. Slide the bushing and pulley from the gearbox shaft.
10. Locate and retrieve the woodruff key.
WARNING
9–5).
Figure 303) and 4 lock washers that secure
Figure
Figure 304
2. Set screw removal position
Page 10–15
Removing the
Figure 303) to the
303) that secure the taper lock
(Figure
Cutting Units: Service and Repairs
304).