Toro Greensmaster 3120 Service Manual page 278

Servicing the Rear Roller Brush (with or without a universal groomer) (continued)
DPA Cutting Units: Service and Repairs
If brush to roller contact is incorrect, brush operation will be
adversely affected.
12. Check that the roller brush is parallel to the rear roller within 0.25 mm (0.010
inch) clearance to light contact. Adjust the bearing brackets as necessary.
IMPORTANT
Page 7–42 Greensmaster 3120
17230SL Rev C