KROHNE VFM 3100 EN - Manual (Page 38)

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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.