Bio-Rad ChromLab™ Software - Manual (Page 214)

A | Maintaining the Instrument
212 | NGC Chromatography Systems and ChromLab Software
c. With a 2.5 mm hex key, remove the screws on the top and bottom of the
lamp casing.
d. Gently pull the lamp casing and lamp out of the socket.
The following image shows a completely disassembled deuterium lamp
unit.
e. Dispose of the used lamp in an appropriate waste receptacle.
7. Locate the replacement lamp and remove it from its packaging.
8. Carefully insert the replacement lamp fixture into the socket.
9. Align the screw holes on the lamp unit with the screw holes in the case.
10. Using the 2.5 mm hex key, tighten the screws to secure the lamp unit.