Replacing The Uv Lamp; Figure 9-5. Location Of Uv Reference Detector Potentiometer - Teledyne T101 Operation Manual

Troubleshooting & Service
Table 9-9. Example of UV Lamp Power Supply Outputs
UVLAMP_SIGNAL
3500mV±200mV.
> 4900mV at any time.
>3700mV or < 3300mV
.< 600mV

Figure 9-5. Location of UV Reference Detector Potentiometer

9.6.3. REPLACING THE UV LAMP

238
No Action Required
Adjust the UV reference detector potentiometer (refer to Figure 9-6)
until UVLAMP_SIGNAL reads approximately 3600mV before
continuing to adjust the lamp position.
Adjust the UV reference detector potentiometer (refer to Figure 9-6)
until UVLAMP_SIGNAL reads as close to 3500mV as possible.
Replace the lamp.
5. Finger-tighten the thumbscrew.
DO NOT over-tighten the thumbscrew.
1. Turn off the analyzer.
27. 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.
28. Loosen, but do not remove the two UV lamp bracket screws and the
large brass thumbscrew located on the shutter housing (refer to Figure
9-4) so that the lamp can be moved.
Teledyne ML - T101 Operation Manual
ACTION TO BE TAKEN
NOTE