ABB TZIDC Operating Instructions Manual page 18

18 TZIDC DIGITAL POSITIONER | OI/TZIDC-EN REV. B
... 6 Installation
... Mechanical mounting
4. Hold the prepared positioner (with the mount bracket
loose) on the actuator so that the follower pin for the lever
enters the follower guide to determine which tap holes on
the positioner must be used for the mount bracket.
5. Secure the mount bracket
using the relevant tap holes on the positioner housing.
Tighten the screws as evenly as possible to ensure
subsequent linearity. Align the mount bracket in the oblong
hole to ensure that the operating range is symmetrical (lever
moves between the arrow marks
4 3 2
Figure 10: Mounting on a cast iron yoke
1. Attach the mount bracket
to the cast iron yoke
1
with screws and washers
1 2
).
4
1
M10418-01
with screw and washer
2 4
.
or
still
1
3
5 4
Figure 11: Mounting on a columnar yoke
1. Hold the mount bracket
columnar yoke
2. Insert the U-bolts
through the holes of the mount bracket.
3. Add the washers
Tighten the nuts so that they are hand-tight.
3
3 2 1
M10419-01
in the proper position on the
3
.
2
from the inside of the columnar yoke
1
and nuts .
4 5
2