Gearbox Removal And Installation - Toro Groundsmaster 300 Series Service Manual

Gearbox Removal and Installation (Fig. 29, 30)
Removing Gearbox and Drive Pulley
1. Lower the cutting unit, shut engine off and engage the
parking brake.
2. Remove shroud covering universal drive shaft. Dis-
connect drive shaft from gearbox. Remove belt covers
from top of cutting unit.
DANGER
Do not start the engine and engage the P.T.O.
when the P.T.O. shaft is not connected to the
gearbox. If engine is started and the P.T.O.
shaft is allowed to rotate, serious in ury could
result.
3. Loosen idler pulleys for cutting unit drive belts and
remove belts from gearbox pulley.
4. Disassemble fasteners securing gearbox to cutting
unit and remove gearbox.
5. Remove the set screws from the taper lock bushing.
Install one setscrew into the hole that is threaded on the
side of taper lock. Tighten the setscrew until the taper
lock is loose from the inside of the pulley hub.
NOTE: Only one setscrew is used to loosen the
taper lock.
6. Slide the gearbox pulley and taper lock off of the
gearbox output shaft. Account for the woodruff key that
positions the pulley on the shaft, and remove the set-
screw from the side of the taper lock.
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Groundsmaster 300 Series
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Page 11 - 21
Figure 29
1. Isolation mounts
2. Brackets
3. Capscrews & lockwashers 8. Carriage bolts
4. Gear box
5. Woodruff key
6. Pulley assembly
7. Metal straps
9. Flatwashers & nuts
10. Taper lock
Repairs