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5.3 Disconnecting the sensor electrical power and
signal cables at the process
DANGER – Serious damage to health / risk to life
Allow sufficient time for the sensor assembly to cool
before performing this procedure.
DANGER – Serious damage to health / risk to life
The transmitter must be isolated from mains power
supplies before performing this procedure.
Referring to Fig. 5.3:
1. Use a medium flat-bladed screwdriver to unscrew 4
(captive) cover screws A and remove cover B from
sensor assembly C.
2. Disconnect mains cable D from terminal block E
3. Disconnect signal cable F from terminal block G.
4. Disconnect thermocouple cables H from terminal block
I.
5. If optional blowback is fitted, disconnect cable J from
terminal block K.
Fig. 5.3 Disconnecting sensor cables
5.4 Removing the sensor assembly from the process
DANGER – Serious damage to health / risk to life
Allow sufficient time for the sensor assembly to cool
before performing this procedure.
Referring to Fig. 5.4:
1. Use a 10 in. adjustable spanner (wrench) to remove 4 nuts,
washers and lockwashers A securing sensor assembly
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 until the sensor
assembly is ready to be re-installed.
Fig. 5.4 Removing the sensor assembly from the process
Endura AZ40 | Sensor assembly | Orifice and seals kit | INS/ANAINST/007-EN Rev. B
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