PerkinElmer 200 UV/VIS Series User Manual page 143

Routine Maintenance
Removing the Lamp (Starting at the Rear Panel)
1. Turn the detector power switch to the OFF position and unplug the AC line cord from the
AC outlet.
2. Allow the detector to cool for 15-30 minutes before proceeding.
3. Using a phillips screwdriver, remove the screws holding the access door.
4. From the rear of the detector, disconnect the lamp power cable from the connector on the
PC board by pressing the locking tabs on the cable connector. Pull gently to separate.
5. Unfasten the lamp retainer spring.
6. Grasp the entire lamp with one hand while holding the detector steady with the other.
Slide the lamp assembly from the lamp mount.
rear panel
locking tabs on cable
connector
Lamp retainer spring
Lamp mount
Figure 7-6. Locating the lamp
Installing a New Lamp
1. Push the lamp to the stop on the monochromator lamp mount.
2. Make certain both guide pins are properly seated into the lamp.
3. Fasten the lamp retainer spring.
4. Reconnect the lamp power connector.
5. Reattach the front or rear access door (depending on how you started).
The detector is ready for power-up. Allow the new lamp to stabilize for 15 minutes prior to
running a chromatographic analysis.
Lamp assembly
Maintenance
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