Endress+Hauser Proservo NMS83 Brief Operating Instructions page 17

Proservo NMS83
Figures
5.2.4 Installation through the calibration window
In the case of a 50 mm (1.97 in) diameter displacer, the displacer can be installed through the
calibration window.
It is only possible to install the following displacers through the calibration window:
50 mm SUS, 50 mm alloy C, 50 mm PTFE
The following procedure uses NMS81 figures for an example.
Figures
1
3
4
5
2
6
Endress+Hauser
Perform drum calibration.
20.

For drum calibration, →  46
Remove the calibration window cover [1].
1.
1
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Remove M6 bolts and screws [6] (M10 bolts for stainless
2.
steel housing).
Remove the cover [5], wire drum stopper [4], and the
3.
bracket [3].
Remove the wire drum [1] from the drum housing.
4.
Remove the tape [2] that is securing the wire.
5.

Handle the measuring wire with care. It may kink.
A0029118
Procedures
Procedures
Installation
17