Agilent Technologies G1330B Reference Manual page 68

Repairing the ALS Thermostat Module
Exchanging the Sensors
3 Remove the sealing adapter by carefully
sliding it out of the seat.
5 Insert some Heatsink Compound into the four
sensor seats, to assure good contact.
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4 Unplug the connectors at the TCA Board,
careful lift the sensors out of their seat and
remove the sensor flexboard.
6 Install the new sensor flexboard carefully by
pressing each sensor individually into the
seats, and then route the flexboard through
the sealing adapter channel.