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KROHNE VFM 3100 EN User Manual

Page 38

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38

4.6.2. Replacing the Sensor

NOTE: Before beginning the assembly procedure, verify that you
have the correct kit of parts.

The sensor kits consist of:

1 Sensor Assembly
1 O-ring
1 Gasket
1 Flow Dam
2 Tie Wraps

Field terminal
cover

Conduit
connection

Mechanical
connector
bolts (4)

Electrical housing

Cover

Cover slot (both covers)

Mechanical connector

O-Ring

Sensor assembly

Flow dam

Gasket

Body

Figure 28. VFM 3100 Assembly

The following steps apply to both Standard and Extended
Temperature Range VFM 3100:

If the flow dam has remained in the VFM 3100 body, remove it
before starting to re-assemble.

Slide O-ring over sensor lead and onto neck of sensor.
See Figure 29.

Carefully feed sensor lead through hole in mechanical connector

and gently pull sensor lead out of electrical housing until sensor

is touching the mechanical connector. See Figure 31.

Place the flat gasket over the sensor in contact with serrated
sealing surface. Center the gasket. Slide the flow dam into the
groove of the sensor.

Insert the sensor with the connector into the VFM 3100 body
and assemble the four bolts finger tight.