Vaisala MMT330 - Manual (Page 43)

Chapter 3 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 43
0507-025
Figure 24 Sealing of Fitting Body into Process
Tightening the Clasp Nut
1. Adjust the probe to a suitable depth according to the type of
installation.
2. Tighten the clasp nut first manually.
3. Mark the fitting screw and the clasp nut.
4. Tighten the nut a further 50 ... 60º (ca. 1/6 turn) with a wrench. If
you have suitable torque spanner, tighten the nut to max 45 ±5 Nm
(33 ±4 ft-lbs). See notes on the following page.
0505-276
Figure 25 Tightening the Clasp Nut
The following numbers refer to Figure 25 above:
1 = Probe
2 = Clasp nut
3 = Fitting screw
4 = Pen