Siemens SITRANS SL Operating Instructions Manual page 5

The complete procedure for the alignment is described as follows starting with the receiver side.
CAUTION
Damage of flanges or threads
To avoid any material damage
• close the purging valves on both sides (receiver and transmitter) before you start working.
1. Release the clamp ring on the RTU (receiver tube
unit) using the wrenches.
Support the receiver when releasing.
2. Remove the receiver unit
3. Attach the light source and switch it on
Now go to the transmitter side!
Before you continue make sure the purging valve is closed!
4. Release the clamp ring on the TTU (transmitter tube
unit) using the wrenches.
Support the transmitter when releasing.
Amendment 3 to Operating Instructions SITRANS SL Version 04
A5E50017120A-02, 01/2021
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