Installing The Carrier Frame To The Traction Unit; Installing The Drive Belt - Toro Groundsmaster 120 Operator's Manual

Installing the Carrier Frame to
the Traction Unit
1. Attach the carrier frame to the traction unit frame with
the 4 cap screws (3/8 x 1-3/4 in.) and locknuts
(3/8 in.). Note that the locknuts must be on the outside
of the carrier frame. Leave the locknuts loose to allow
movement between the carrier and traction unit frames
(Fig. 5).
2. Install the shims between the carrier frame and traction
unit frame. Align the holes in the shims with the top
holes in the traction unit and carrier frames (Fig. 5).
3. Install the 4 flange bolts (3/8 x 7/8 in.) with flat
washers through the carrier frame and shims, and into
the threaded holes in the top of the traction unit frame.
Torque the flange bolts to 27–33 ft.-lb (37–45 N m)
(Fig. 5).
4. Torque the 4 cap screws (3/8 x 1-3/4 in.) and locknuts
(3/8 in.) to 27–33 ft.-lb. (37–45 N m) (Fig. 5).
2
1
6
Figure 5
1. Cap Screw, 3/8 x 1-3/4 in.
2. Shim
3. Flange Bolt, 3/8 x 7/8 in.
4. Flat Washer

Installing the Drive Belt

1. Loosen the 2 fasteners on the left center deck cover.
Remove the left center deck cover to expose the
gearbox input pulley (Fig. 6).
3
5
4
7
m–2560
5. Carrier Frame
6. Traction Unit Frame
7. Locknut, 3/8 in.
3
Figure 6
1. Fastener
2. Left Center Deck Cover
2. Lift the idler pulley and install the drive belt onto the
traction unit output pulley and gearbox input pulley
(Fig. 7).
3. Release the idler pulley to allow the pulley to spring
back on top of the drive belt (Fig. 7).
Figure 7
1. Idler Pulley
2. Gearbox Input Pulley
4. Install the left center deck cover onto the deck with
fasteners (Fig. 6).
5. Check the front-to-rear blade pitch. Refer to Setting
the Front-to-Rear Pitch in the Maintenance section.
8
1
2
m–5662
3. Gearbox Input Pulley
1
2
4
m–5663
3. Traction Unit Output
Pulley
4. Drive Belt
3