Vaisala HMP260 SERIES Manual de Serviço descarregar pdf (Página 14)

HMP260 SERIES

Operating Manual HMP260-U017en-1.5

8 1997-11-25

3. Insert the body of the sensor head into the fitting body and screw the

nut manually to the fitting body until the connection feels tight.

4. Mark both the fitting body and the nut hex.

A pen

fitting body

nut

5. Tighten the nut a further 30° (1/12 turn) or if you have a torque span-

ner tighten it with a torque of 80 ±10 Nm.

NOTE

After detachment the nut must be tightened without

increased effort.

30°

6. The tightening cone of the fitting body has to be cleaned and greased

after each tenth detachment. Use high-vacuum grease (Down Corning,

Europe) or a similar grease.

clean cotton stick

tightening cone

sealing

washer

fitting body

The sealing washer has to be changed every time the fitting body is

detached.

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Vaisala HMP260 SERIES Manual de Serviço Página 14