Toro Groundsmaster 3280-D Service Manual page 447

Removing the Gearbox (continued)
Installing the Gearbox
Groundsmaster ® 3280-D/3320
05138SL Rev B
11. If necessary, remove and replace the oil seals and oil caps in the gearbox
(Figure 305).
Note: If internal gearbox wear or damage occurs, gearbox replacement is
necessary. The internal gearbox components are not available.
1. If oil seals or oil caps were removed from the gearbox, install new seals and
caps to the gearbox
2. Clean the gearbox output shaft, pulley ID (inner diameter), and taper lock
bushing.
3. Position the woodruff key, pulley, and then the taper lock bushing to the
gearbox output shaft. Slide the bushing to the shoulder on the shaft. Align
the threaded holes of the pulley with the non-threaded holes of the bushing.
4. Apply oil to the threads of the set screws and install the screws into the
threads of the pulley
screws to 19.8 N∙m (175 in-lb).
5. Fill the allen recess in the set screws and bushing threads with grease to
prevent dirt from packing into the crevices.
6. Position the gearbox assembly (with the drive pulley attached) to the deck.
7. Position and secure the left and right gearbox brackets (items 8 and 6 in
Figure 303) to the deck mounting plate with the 4 carriage screws, 4 flange
nuts, 4 washers, and 4 mounts.
8. Secure the gearbox assembly to the gearbox brackets with the 4 bolts (item
3 in Figure 303) and 4 lock washers.
9. Connect the PTO driveshaft to the gearbox; refer to
Driveshaft (page 9–5).
10. Install the drive belt and belt covers to the cutting deck; refer to the Cutting
Unit Operator's Manual.
11. Torque the plug (item 6 in
Fill the gearbox with lubricant; refer to the Cutting Unit Operator's Manual.
Install the dipstick in gearbox; torque the dipstick to 19.8 N∙m (175 in-lb).
(Figure 305).
(Figure 304). Alternately and evenly torque the set
Figure 305) in the gearbox to 19.8 N∙m (175 in-lb).
Page 10–17
Installing the PTO
Cutting Units: Service and Repairs