ABB Endura AZ40 Operating	 Instruction Download Page 3

Endura AZ40 | Sensor assembly | Orifice and seals kit |

INS/ANAINST/007-EN Rev. B

3

3.2.4  Endura AZ40 sensor – high operational temperature 

on exposed parts

3.2.5  Endura AZ40 sensor – weight

3.2.6  Endura AZ40 analyzer – electrical

Endura AZ40 transmitter – weight

WARNING – Bodily injury 

High temperature on exposed surfaces – 

see Fig. 3.1

— During operation, exposed sensor surfaces can 

reach 200 °C (392 °F).

— Ensure suitable PPE is available and is worn before 

handling the sensor.

— Do not touch exposed surfaces until the sensor / 

probe is cool enough to handle with PPE.

Fig.  3.1  High temperature points on exposed sensor surfaces during 

operation

WARNING – Bodily injury 

– The sensor weighs 

9.0 

kg (

20

 lb). When fitted with 

a probe / filter assembly, the combined sensor / 
probe weight is dependent on probe length / type 
plus filter option – refer to Operating instruction 
OI/AZ40-EN for weight details.

– The sensor / probe assembly must be mounted in 

accordance with the information supplied in 
Operating instruction OI/AZ40-EN.

— Suitable lifting equipment must be available when 

installing / removing the sensor / probe from the 
process.

WARNING – Bodily injury 

To ensure safe use when operating this equipment, the 
following points must be observed:
— up to 240 V AC may be present. Ensure the supply 

is isolated before removing the terminal cover

— normal safety precautions must be taken to avoid 

the possibility of an accident occurring when 
operating in conditions of high pressure and / or 
temperature

Safety advice concerning the use of the equipment 
described in this  document or any relevant Material 
Safety Data Sheets (where applicable) can be obtained 
from the Company, together with servicing and spares 
information.

WARNING – Bodily injury 

– The transmitter weighs 

7.6 

kg (

17

 lb) and must 

be mounted in accordance with the information 
supplied in Operating instruction 

OI/AZ40-EN.

— Suitable lifting equipment must be available when 

installing / removing the transmitter from the 
mounting.

Summary of Contents for Endura AZ40

Page 1: ...nd 8 4 pages 4 4 6 and 12 Replacing sensor assembly flow disk Sections 4 5 6 and 8 5 pages 4 4 6 and 14 Kit contains Orifices gaskets seals This publication Tools required Transmitter door key supplie...

Page 2: ...contain fibrous material that can be a health hazard if airborne The material predominantly aluminosilicate refractory fibres CAS 142844 00 6 Refractory ceramic fibres RCF are classified as Category 1...

Page 3: ...sensor probe assembly must be mounted in accordance with the information supplied in Operating instruction OI AZ40 EN Suitable lifting equipment must be available when installing removing the sensor...

Page 4: ...the sensor air and test gas supplies at the process Referring to Fig 5 2 1 Disconnect air line B and test gas line C at sensor D DANGER Serious damage to health risk to life The transmitter must be i...

Page 5: ...embly B to mounting flange C Set items aside for re use 2 Carefully remove the sensor assembly and the attached probe including filter assembly from the process 3 Temporarily cover process opening unt...

Page 6: ...s kit component locations Fig 6 1 Orifice and seals kit component locations on sensor assembly Key A CO orifice see Section 7 page 7 B O2 orifice see Section 7 page 7 C CO heater block gaskets see Sec...

Page 7: ...a 1 4 in allen key wrench to secure CO orifice pipe plug A in place in the CO orifice chamber 9 Use a 5 32 in allen key wrench to secure O2 orifice D 1 notch in head in place in the O2 orifice chambe...

Page 8: ...flat bladed screwdriver to unscrew 4 captive cover retaining screws A and remove cover B Retain cover for re use 2 Use a medium flat bladed screwdriver to unscrew 2 captive cover retaining screws C an...

Page 9: ...crewdriver to depress the spring connector in each terminal and withdraw the wires from the terminal housing 3 Unscrew O2 sensor A from manifold block B using a 7 8 in spanner wrench and withdraw the...

Page 10: ...th attached washer K 14 Re fit COe block insulation A in the reverse order of removal 15 Apply a light coating of an anti seize compound suitable for temperatures up to 200 C 392 F to sensor clamp pla...

Page 11: ...Endura AZ40 Sensor assembly Orifice and seals kit INS ANAINST 007 EN Rev B 11 Fig 8 4 Replacing sensor assembly gaskets...

Page 12: ...ted correctly 7 Fit the nozzle B into the aspirator A ensuring it is seated correctly 8 Apply a light coating of an anti seize compound suitable for temperatures up to 200 C 392 F to the threaded port...

Page 13: ...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 5 Replacing Cleaning sen...

Page 14: ...rner of the flow disk assembly J with the upper right hand corner Ensure screw holes are aligned correctly 11 Apply a light coating of anti seize compound suitable for temperatures up to 200 C 392 F t...

Page 15: ...Endura AZ40 Sensor assembly Orifice and seals kit INS ANAINST 007 EN Rev B 15 Fig 8 7 Replacing sensor assembly flow disk...

Page 16: ...ts in this document and in the subject matter and illustrations contained therein Any reproduction disclosure to third parties or utilization of its contents in whole or in parts is forbidden without...

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