HP 40cp User Manual download pdf (Page 21)

Removal and replacement procedures 21

Removing the differential pressure sensor

1. Label the pressure sensor tube connection locations, and then remove the tubes from the differential

pressure sensor.

2. Label the sensor wire connection locations, loosen the screws securing the sensor wires, and then

remove the sensor wires.

3. Remove the two nuts (1) and two bolts (2) securing the differential pressure sensor, and then remove the

differential pressure sensor.

Replacing the differential pressure sensor

1. Replace the differential pressure sensor, and then secure the differential pressure sensor with two bolts

(1) and two nuts (2).

2. Insert the pressure sensor tubes into the differential pressure sensor according to the connection

locations you labeled during the removal procedure.

3. Replace the sensor wires according to the connection locations you labeled during the removal

procedure, and then secure the sensor wires by tightening the screws.

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HP 40cp User Manual Page 21