Teledyne manual Replacing the UV filter/lens, M102E/M501 TRS, Troubleshooting & Repair, Rev A1

TROUBLESHOOTING & REPAIR	M102E/M501 TRS
	(Addendum to M101E Manual - P/N 04740 Rev A)

9. Finger tighten the thumbscrew.

NOTE:

DO NOT over-tighten the thumbscrew.

10.Perform a lamp calibration procedure (see Section 6.9.7 of the M101E Manual - P/N 04740 Rev A) and a zero point and span point calibration (see Chapter 7 of the M101E Manual - P/N 04740 Rev A).

10.5.2. Replacing the UV filter/lens

Note:

Be careful not to leave thumbprints on the interior of the sample chamber. The various oils that make up fingerprints fluoresce brightly under UV light and will significantly affect the accuracy of the analyzer’s SO2 measurement)

1.Turn off the instrument’s power and remove the power cord from the instrument.

2.Unplug the J4 connector from the motherboard to allow tool access.

3.Remove 4 screws from the shutter cover (see figure 11-2) and remove the cover .

4.Remove 4 screws from the UV filter retainer.

Reaction

Cell

UV Filter Retainer

& Lens Housing

Filter Retainer
Screws	Shutter Housing

Shutter

Cover

Filter RetainerScrews

Screws

Shutter Cover

Screws

Figure 10-2: Disassembling the Shutter Assembly

58 05514 Rev A1