Vaisala DRYCAP DMT340 SERIES Guia do Utilizador descarregar pdf (Página 45)

Chapter 3 _______________________________________________________________ Installation

VAISALA _______________________________________________________________________ 45

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).

0505-276

Figure 29 Tightening the Clasp Nut

The following numbers refer to Figure 29 above:

1 = Probe

2 = Clasp nut

3 = Fitting screw

4 = Pen

NOTE

Take care not to over tighten the clasp nut to avoid difficulties when

opening it.

CAUTION

Take care not to damage the probe body. A damaged body makes the

probe less tight and may prevent it from going through the clasp nut.

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Vaisala DRYCAP DMT340 SERIES Guia do Utilizador Página 45