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IOM Single Case BiRotor Plus R06
To reinstall, reverse the removal instructions and
torque the four Allen screws to 55 in/lbs.
Figure 10-1 Circuit Board and Housing
10.3 - Removal/Replacement of Pick Off Sensors
1. Remove the circuit board as detailed above.
2. Remove the center screw from the sensor housing
and lift off the hold down washer.
3. Lift out the inductive sensor(s) and spring.
Resistance between sensor leads:
For Sensor with ident marker on Sheath = 1000 Ohms
+/-15%
For Sensor with ident marker on sensor = 750 Ohms
+/-15%
Resistance between leads and housing when installed:
10 M Ohms
If any of this is not the case the pick off should be
replaced.
To reassemble, replace the pick off sensor
in the sensor housing. If only one pick off sensor is
present it should be inserted in the hole labelled ‘A’.
Secure with the hold down washer and Allen screws
and replace the circuit board
10.4 Removal of the Measuring Unit from the
Process Line
1. Disconnect all power to the instrument.
2. Relieve all system pressure and drain the meter.
3. Disconnect all external wiring from the electronics
unit.
4. Unbolt the instrument from the process piping
and remove to a workshop for further
disassembly.
NOTE:
Care should be exercised to prevent the intrusion of
foreign material into the instrument end
connections.
10.5 Removal of the Measuring Unit from the
Instrument Body
1. Turn the meter on end so that it stands on its inlet
fl ange, this will also facilitate in fully draining the
instrument of process fl uid.
2. Remove screws and lift off the oulet housing.
Figure 10-2 Pick Off Sensor Installation
