Service Manual

Gearbox Removal and Installation (Fig. 25, 26)

Removing Gearbox and Drive Pulley

1. Lower cutting unit to shop floor, stop the engine and

enga

ge the parking brake. Remove belt covers from top

of cutting unit.

2. Remove shroud (Item 9) covering universal drive

haft. Disconnect drive shaft from gearbox.

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.

DANGER

3. Disconnect spring from idler arm bracket to release

belt tension. Remove cotter pin and clevis pin securing

idler arm bracket to idler arm.

4. Remove capscrews and nuts securing gear box plate

(Item 10) to deck channels.

5. Remove the set screws (Item 19) from the taper lock

bushing (Item 18). Install one setscrew into the hole that

is threaded on the side of taper lock. Tighten the set-

screw until the taper lock is loose from the inside of the

pulley hub.

NOTE: Only one setscrew is used to loosen the

tap

er lock.

6. Slide the gearbox pulley (Item 17) and taper lock off

of the gearbox output shaft. Account for the woodruff key

that positions the pulley on the shaft, and remove the

setscrew from the side of the taper lock.

7. Disassemble fasteners securing gear box to gear box

unt plate and remove gearbox. Remove brackets

(Items 6, 13) from gear box.

Figure 25

Groundsmaster

300 Series Page 13 - 17 Repairs