Endress+Hauser Proservo NMS80 Brief Operating Instructions page 22

Installation
5.2.5 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
Figures
1
3
4
2
5
1
2
22
Remove the calibration window cover [1].
1.
1
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Remove M6 bolts and screws [5] (M10 bolts for stainless
2.
steel housing).
Remove the cover [4] and the bracket [3].
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.
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Holding the wire drum [1] with one hand, unwind the
6.
measuring wire [3] approximately 500 mm (19.69 in).
Secure the wire [3] temporarily with the tape [2].
7.
Insert the wire ring [4] into the drum housing.
8.
3
Pull the wire ring out through the calibration window.
9.
4

Handle the measuring wire with care.
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Proservo NMS80
Procedures
Endress+Hauser