IL55 and IL55BV2 Sensor Instruction Manual
4.2 Sensor Removal
The IL55BV2 can be removed without the need for de-pressurising or draining of the line. This is achieved by the use
of the ball valve mechanism.
The removal of the IL55BV2 sensor is the reverse procedure of the installation process as outlined in the previous
section:
1. Loosen the shaft locking nut.
2. Ensure that there is sufficient free cable to allow sensor removal
3. Withdraw sensor to end stop.
4. Close ball valve.
5. Unscrew Dowty seal retaining nut and remove sensor.
6. Ensure that the optical surface is protected while out of the pipe.
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163790IM-Iss05 Issue Date 11/05/2010
1,Loosen shaft retaining nut
2, Withdraw sensor
3, Close ball valve
4, Unscrew dowty seal retaining
nut and remove sensor
