ABB TZID, Operating Instructions Manual

Page: 14 / 67

14 Electro-pneumatic positioner TZID 42/18-54 EN
Actuators ready for attachment in accordance with DIN/IEC 534 have two vertically
arranged threaded holes M6 in the stem.
Fasten the angle bracket to the positioner and to the actuator’s cast iron yoke or colum-
nar yoke using the screws and spring washers (2, 3). Proceed as shown in Fig. 4 and
Fig. 5.
Mounting the positioner to a cast iron yoke
Mounting the positioner to a columnar yoke
• Fasten the angle bracket (1)
with the screw (2) and the plain
washer (3) to the cast iron yoke
(4).
• Hold the angle bracket (1) in the
appropriate position against the
columnar yoke (2).
• Insert the U-bolts (5) from the
inner side of the columnar yoke
through the holes in the angle
bracket.
• Slip on the plain washers (3),
spring washers (4) and nuts (2).
Hand-tighten the nuts evenly.
IMPORTANT
Adjust the height of the positioner at the cast iron yoke or the columnar
yoke until the lever is horizontal (at visual check) at half valve stroke.
1
2
3
4
Fig. 4 Mounting to cast iron yoke
1
2
3
4
5
6
Fig. 5 Mounting to columnar yoke