121 • Replacing a Sensor GX-6000 Operator’s Manual
Figure 25: Replacing a Sensor
CAUTION: When replacing a sensor, verify that the sensor is properly
aligned with its socket before inserting it into the socket. The CO
and H
2
S sensors have alignment slots which match up with
alignment tabs in the sockets. The combustible sensors each
have two non-polarized contacts which must line up with the
contacts in their socket. Forcing a sensor into its socket may
damage the sensor or the socket.
7 . If your instrument has a factory installed dummy sensor, ensure that it is
still installed correctly. Make sure that the flat side is up and the hollow
side is down.
8 . Place the sensor gasket and filters back over the sensors ensuring that the
sensor gasket seals with the sensors and the flow fittings. The flow
CO Sensor
H2S Sensor
Oxygen Sensor
H2S
CO
LEL Sensor
Smart Sensor 2
Position
Smart Sensor 1
Position