ABB Endura AZ40 Operating Instruction page 13

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Fig. 8.5 Replacing / Cleaning sensor assembly aspirator

10. Prepare the sensor for operation by reversing the

shutdown / removal / isolation procedures –

refer to Sections 5 and 4 (pages 4, 4).

IMPORTANT (NOTE)

If a 2-stage filtration system is fitted in the

instrument air line, refer to Section 8.4.1 to check /

replace filters before returning the sensor to

operation.

8.4.1 Replacing filters in 2-stage filtration system

Referring to Fig. 8.6:

If a (recommended) 2-stage filtration system A is fitted in the

instrument air line, replace the filters in accordance with

manufacturers' instructions.

Fig. 8.6 Replacing filter elements in 2-stage filtration system

Endura AZ40 | Sensor assembly | Orifice and seals kit | INS/ANAINST/007-EN Rev. B