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Maintenance and service
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9.4.3
Replacing the airflow sensor
Warning
When removing and mounting the airflow sensor, make sure that the sensor element is not damaged (i.e. does
not break). Do not pull on the connection wires.
After replacing an airflow sensor (new sensor), it is imperative to carry out a new initial reset (see Sec. 7.3.5).
Remove connector
A
of the airflow sensor on the AMB 32. To remove an airflow sensor, gently press lock tab
B
towards the
connector plug. The airflow sensor can then be carefully pulled out of its holder by gripping tab
C
with thumb and index finger
Attention: do not pull on the connection wires of the airflow sensor.
To install the new airflow sensor proceed in the
reverse sequence. It is important to note the installation position (anti-twist safeguard) of the airflow sensor and that it is cor-
rectly seated in its holder. To do so, press the airflow sensor on grip tab
C
towards the housing base until the lock tab snaps
over the airflow sensor
Attention: do not press on the connection wires of the airflow sensor.
Fig. 50 Removing the airflow sensors
9.4.4
Replacing the AMB 32 Main Board
To replace the AMB 32 Main Board, unplug all the plug-in terminals with installation wires. Likewise, all internal cable connec-
tions (ribbon cable connectors) must also carefully be unplugged. Once the 5 fastening screws of the AMB 32 have been re-
moved using a
Torx T10 screwdriver
, the AMB 32 can be replaced. To install the new AMB 32, proceed in the reverse se-
quence.
Warning
When connecting the new AMB 32, take note of the correct assignment of the terminals and ribbon cable connec-
tors (see
After replacing the AMB 32 it is imperative to carry out a new initial reset (see Sec. 7.3.5). Likewise, all customer-
specific configurations and project-specific settings from the “ASD PipeFlow” configuration software must be car-
ried out once again. To do so, proceed according to Sec. 7.3.1 and 7.3.2.
A
B
C
Airflow sensor
Lock tab
Connector
ASD532
Operating
Manual
Summary of Contents for ASD 532
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