TELEDYNE API T703U - Adjustment or Replacement of Ozone Generator UV Lamp; Figure 7-4: Generator Temperature Thermistor and DC Heater Locations

Teledyne API T703/T703U Calibrator Operation Manual Maintenance Schedule & Procedures
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12. Once a lamp position is found that corresponds to a maximum observed
value for PHOTO_DET, tighten the lamp setscrew at the approximate
maximum value observed.
 If the value of PHOTO_DET is not within the range of 4400 – 4600 mV,
adjust it accordingly.
13. Replace the cover on the instrument.
7.7. ADJUSTMENT OR REPLACEMENT OF OZONE
GENERATOR UV LAMP
This procedure details the steps for replacement and initial adjustment of the
ozone generator lamp. If you are adjusting an existing lamp, skip to Step 8.
1. Turn off the instrument.
2. Remove the cover from the instrument.
3. Locate the O
3
generator (see Figure 3-5).
UV Lamp
Set Screws
O
3
Generator
Body
Lamp
O-ring
Figure 7-4: O
3
Generator Temperature Thermistor and DC Heater Locations
4. Remove the two setscrews on the top of the O
3
generator and gently pull out
the old lamp.
5. Inspect the o-ring beneath the nut and replace if damaged.
6. Install the new lamp in O
3
generator housing, ensuring that it is fully seated.

7. Tighten the two set screws.
8. Turn on instrument and allow it to stabilize for at least 30 minutes.
9. Replace the calibrator‟s cover
10. Perform an auto-leak check (See Section 10.2.1).
11. Calibrate the Ozone Generator. (see Section 6.2)
07223D DCN7107