Toro Groundmaster Series Service Manual page 310

Gearbox (continued)
Cutting Units: Service and Repairs
3. Use a 3/8 inch or 1/2 inch drive ratchet or breaker bar in the idle arm to
release the drive belt tension.
4. Slip the drive belt off the gearbox pulley then unload the idler spring tension.
5. Remove the PTO guard from the gearbox.
6. Remove the 4 fasteners that secure the gearbox assembly to the cutting unit
and remove the gearbox assembly.
Servicing the Gearbox
g315462
1. Oil cap – 2.0 inch
2. Seal (2 each)
3. Plug
4. Oil cap – 3.1 inch
1. Dismantle the gearbox assembly as necessary.
2. If necessary, remove and replace the gearbox dipstick/breather copper
washer, oil seals, and oil caps.
Note: If internal gearbox wear or damage occurs, gearbox replacement is
necessary. The internal gearbox components are not available.
Installing the Gearbox
Refer to Figure 142 for this procedure.
1. Pay attention to the left and right gearbox bracket orientation and secure the
brackets to the gearbox if previously removed.
2. Tighten the gearbox bracket fasteners from 31 to 39 N·m (23 to 29 ft-lb).
3. Clean the gearbox output shaft, square key, and the inside of the pulley hub.
4. Apply a thin coating of anti-seize lubricant to the output shaft and install
the square key.
Figure 143
5. Gearbox
6. Copper washer
7. Dipstick/breather
Page 8–18 Groundsmaster ® 3200, 3300 and 3310
19240SL Rev A