23
Changing the steering ring
The Quattro-OBL is supplied with a 59 cm (23 in.) diameter steering ring (Part No. 3429-42). A
larger, 74 cm (29 in.) diameter steering ring (Part No. 3429-43) is available as an optional extra.
To change the steering ring:
Fully extend the column and apply the on-shot clamp
On the underside of the steering hub, remove four M8 nuts
to release the steering ring
. Note the position of the steering indicators
and remove the steering ring.
Position the replacement steering ring on the steering hub with the steering indicator in the
position noted above.
Secure the steering ring with four M8 nuts
.
Changing the wheels
The Quattro-OBL is supplied with 200 mm (7.9 in.) solid rubber wheels with cable guards. Alter-
native 160 mm (6.3 in.) solid polymer composite wheels are available.
The wheels are available in sets of three (one braked, two unbraked), as follows:
160 mm studio - 3502-910SP
200 mm OB - 3502-901SP
To change the wheels:
At each corner of the pedestal in turn, raise the corner and support it on a suitable block.
Changing the steering ring
(5)
(3)
(3.1)