72 . High-Performance Lambda Spectrometers Hardware Guide
4. Carefully pull the halogen lamp connector from the rear of the halogen lamp, as shown in
Figure 34.
Figure 34 Removing the halogen lamp connector
5. Remove the halogen lamp assembly from the bracket by slackening the thumbscrew and
pulling the lamp mount vertically upward.
Save the thumbscrew for use with the new lamp assembly.
6. Unpack the new lamp assembly, taking care to only hold it by the metal mount to prevent
finger marks on the bulb.
Finger marks on the lamp window can cause hot spots during operation, which can lead to
premature lamp failure.
7. Slip the slot at the base of the lamp mount over the stud on the bracket in the lamp
compartment and then secure with the thumbscrew.
8. Carefully push the halogen lamp connector firmly onto the pins on the base of the halogen
lamp.
9. Wipe the halogen lamp bulb with a soft cloth moistened with alcohol to remove dirt, since this
would otherwise be burned in when the lamp is hot.
10. Replace the lamp compartment cover by lowering it into position.
This completes the halogen lamp replacement procedure.
NOTE: The mounts are pre-aligned, so usually further alignment is not required after installation.
connector
assembly
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