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NRG 26-61 - Installation & Operating Manual -
819874-00
Installation
3.
If necessary, apply a small quantity of silicone grease (e.g. Molykote® III) to the electrode thread
I
.
4.
Screw the level electrode into the threaded standpipe of the tank or flange cover, and tighten securely
using a torque wrench (with size 41 open-ended spanner attachment).
Tighten to the torques stated below.
Tightening torque when cold:
■
■
NRG 26-61 = 160 Nm
Installation example with dimensions, see Fig. 11, page 29
Installing two level electrodes in a flange
1.
Fit the first electrode as described above.
2.
Slacken and remove the rear body panel of the second electrode opposite the operating unit.
3.
Unfasten the electrode wiring from the PCB.
4.
Slacken the nut in the body of the second electrode using a size 19 open-ended spanner.
5.
Screw in the second electrode and tighten the nut in the body to a torque of 25 Nm.
6.
Reconnect the electrode wiring to the PCB.
7.
Close the rear body panel of the second electrode and screw back on.
Installation example with dimensions, see Fig. 13, page 31
