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Teledyne API M100E Analyzer Operation Manual Troubleshooting & Repair
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12.7.2.6. REPLACING THE UV LAMP
1. Turn off the analyzer.
2. Disconnect the UV lamp from its power supply.
You can find the power supply connector by following the two, white UV Lamp power supply wires from the
lamp to the power supply.
3. Loosen, but do not remove the two UV lamp bracket screws and the large brass thumbscrew located on the
shutter housing (refer to Figure 12-13) so that the lamp can be moved.
NOTE
DO NOT grasp the UV lamp by its cap when changing its position (refer to Figure 12-13).
Always grasp the main body of the lamp.
4. Remove the UV Lamp by pulling it straight up.
5. Insert the new UV lamp into the bracket.
6. Tighten the two UV lamp bracket screws, but leave the brass thumb screw un-tightened.
7. Connect the new UV lamp to the power supply.
8. Turn the instrument on and perform the UV adjustment procedure as defined in section 12.7.2.5.
9. Finge
r tighten the thumbscrew.
NOTE
DO NOT over-tighten the thumbscrew.
10. Perform a lamp calibration procedure (refer to Section 6.9.7) and a zero point and span point calibration
(refer to Chapter 8).
12.7.2.7. REPLACING THE PMT, HVPS OR TEC
The PMT should last for the lifetime of the analyzer. However, in some cases, the high voltage power supply
(HVPS) or the thermo-electric cooler (TEC) may fail.
NOTE
If the black PMT housing end plate cover for the Sensor Assembly is removed, ensure to replace the 5
desiccant bags inside the housing.
04515F DCN6048