Wika D-11-7 Uživatelský manuál stáhnout pdf (Strana 12)

12 WIKA operating instructions pressure transmitter model D-1x-7

2478159.05 12/2011 GB/D/F/E

6. Commissioning, operation

CAUTION!

Prior to commissioning, the pressure transmitter must be subjected to a visual inspection.

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Check the diaphragm for any visible damage, since this is a safety-relevant component.

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Leaking uid is indicative of damage.

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Only use the pressure transmitter if it is in perfect condition with respect to safety.

6.1 Making the mechanical connection

Required tool: Open-ended spanner (spanner width 27 or 41), screwdriver

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Remove the protection cap not until shortly before installation. During

installation, ensure that the diaphragm is not damaged (with model

D-11-7).

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The sealing faces at the instrument have to be undamaged and clean.

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Only ever screw in, or unscrew, the instrument via the spanner ats.

Never use the case as a working surface.

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The correct torque depends on the dimensions of the pressure connec-

tion and the gasket used (form/material).

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When screwing in, do not cross the threads.

■

For information on tapped holes and welding sockets, see Technical

Information IN 00.14 at www.wika.com.

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Wika D-11-7 Uživatelský manuál Strana 12