Tecfluid Series LT Instruction Manual page 9

For the LT level gauges, once the level is connected to the tank, fill the glass tube, and next
reassemble the glass tube on the chamber.
This process should be done in the following way:
Remove the M8 upper allen screw (1).
Withdraw the glass tube from its support and remove the plug at the top (3).
Fill the glass tube (4) with the liquid supplied with the level gauge.
Insert the plug (3) in the tube and maintain in a vertical position.
To place the tube on the body, proceed as follows:
Check that the rubber seal (5) is in its position.
The bottom of the glass tube (4) should rest on the rubber seat (5).
Mount the spacer (2) in its position.
Assemble the glass tube in its position and screw the allen screw (1) into the plug (3).
The M8 DIN 912 allen screw (1) should not be tightened too hard, it is enough to tighten until
a slight resistance is felt.
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