Cerabar M, Deltabar M, Deltapilot M Installation
Endress+Hauser 37
4.8 Installing profile seal for universal process adapter
For mounting details, see KA00096F/00/A3.
4.9 Closing the housing cover
Devices with EPDM cover seal - transmitter leakiness!
Mineral-based, animal-based or vegetable-based lubricants cause the EPDM cover seal to
swell and the transmitter to become leaky.
‣ The thread is coated at the factory and therefore does not require any lubrication.
The housing cover can no longer be closed.
Damaged thread!
‣ When closing the housing cover, please ensure that the thread of the cover and housing
are free from dirt, e.g. sand.If you feel any resistance when closing the cover, check the
thread on both again to ensure that they are free from dirt.
4.9.1 Closing the cover on the stainless steel housing
A0028497
Fig. 21: Closing the cover
The cover for the electronics compartment is tightened by hand at the housing until the stop.
The screw serves as DustEx protection (only available for devices with DustEx approval).
4.10 Post-installation check
O Is the device undamaged (visual inspection)?
O Does the device comply with the measuring point specifications?
For example:
• Process temperature
• Process pressure
• Ambient temperature range
•Measuring range
O Are the measuring point identification and labeling correct (visual inspection)?
O Is the device adequately protected against precipitation and direct sunlight?
O Are the securing screw and securing clamp tightened securely?
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