ABB TZIDC Manual page 20

20 TZIDC DIGITAL POSITIONER | CI/TZIDC/C-FM-US-EN REV. A
... 5 Installation
... Mechanical mounting
Figure 7: Mounting lever and bracket on the positioner
1. Attach the lever
6 to the feedback shaft
positioner (can only be mounted in one position due to the
cut shape of the feedback shaft).
2. Using the arrow marks 4
within the operating range (between the arrows).
3. Hand-tighten the screw
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
5 of the
, check whether the lever moves
7 on the lever.
1 with screws 2 and washers
4 ).
Mounting on a cast iron yoke
Figure 8: Mounting on a cast iron yoke
1. Fasten the mount bracket
to the cast iron yoke
Mounting on a columnar yoke
1 still
3
Figure 9: 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. Apply washers 4 and nuts
4. Tighten the nuts so that they are hand-tight.
2 with screw 4
1 .
3 in the suited position on the
2 .
from the inside of the columnar yoke
1
.
5
and washer 3
2