ABB HART Industrial IT enabled TZIDC, Operating Instructions Manual

Page: 15 / 69

41/18-79 EN Electro-pneumatic positioner TZIDC 15
4.a Mount the positioner to a cast iron yoke
or
4.b Mount the positioner to a columnar yoke
• Fasten the angle bracket (1)
with screw (2), 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 (3) from the
inner side of the columnar yoke
through the holes in the angle
bracket.
• Slip on the plain washers (4),
and nuts (5). 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.
Check the unit for proper mounting after having made the pneumatic and
electrical connection (see chapter "Commissioning" on page 26).
2
4
1
3
Positioner
Fig. 8 Mounting to cast iron yoke
5
1
2
3
4
Positioner
Fig. 9 Mounting to columnar yoke