Toro Greensmaster 3120 Service Manual page 273

Servicing the Rear Roller Brush (with or without a belt driven groomer) (continued)
Greensmaster 3120
17230SL Rev C
g229942
5. The drive belt should deflect approximately 6 mm (1/4 inch) when 1 kg (2
lb) of force is applied to the belt halfway between the pulleys. Adjust the idler
puller as necessary.
Drive and Support Components
1. Disassemble the roller brush components as necessary. Retrieve and
discard the drive plate O-ring.
2. Clean and inspect all components for wear or damage and replace as
necessary.
3. Install the pulley driver (machines without a belt driven groomer) and tighten
to 136 N∙m (100 ft-lb). Install the weight.
Note: The screws used to secure the cover, driven pulley and the front of
the drive plate have a locking feature to prevent the screws from loosening.
If the original screws are being re-used, apply a medium strength thread
locker (Loctite #242 or equivalent).
4. Install and apply a light coating of grease to a new drive plate O-ring and
install the drive plate.
5. Install the roller brush with the bearings and locking collars loose on the
brush shaft.
6. Install the driven pulley and key. Tighten the flange head screw from 15 to
16 N∙m (130 to 140 in-lb).
7. Install the brush support.
8. Install the drive pulley. Apply anti-seize lubricant the cap screw threads and
tighten from 8 to 9 N∙m (70 to 80 in-lb).
Figure 131
Page 7–37 DPA Cutting Units: Service and Repairs