Endress+Hauser Levelflex FMP54 - FMP54 with Gas Phase Compensation: Mounting the Probe Rod

Mounting Levelflex FMP51, FMP52, FMP54 FOUNDATION Fieldbus
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6.2.3 FMP54 with gas phase compensation: Mounting the probe rod
This section is only valid for FMP54 with gas phase compensation (product structure:
feature 540 "Application Package", option EF or EG).
Coax probes
Coax probes with reference reflection are completely mounted and adjusted on delivery.
After mounting they are ready for use. Additional settings are not necessary.
Rod probes
For rod probes with reference reflection the probe rod is delivered separately and has to be
mounted as follows:
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2
3
4
5
A0014545
1. Screw the counter nut onto the connection thread (M10x1) of the gland. Take care
that the chamfer is oriented to the gland.
2. Place a pair of Nord-Lock washers on the thread.
3. Screw the probe rod with the larger diameter onto the thread and fasten it hand-
tight.
4. Place the second pair of Nord-Lock washers on the threaded bolt.
5. Screw the probe rod with the smaller diameter onto the threaded bolt and tighten it
with 15 Nm (torque wrench/spanner AF14).
After mounting the probe rod in the stilling well or bypass, check and - if necessary -
correct the settings in the unpressurized state →  96.