Teledyne 6200T - Sulfides Analyzer - Manual (Page 272)

Troubleshooting Model 6200T Total Sulfur Analyzer
272 Teledyne Analytical Instruments
to this detail could twist and potentially disconnect the lamp’s power
supply wires.
5. Remove the UV Lamp by pulling it straight up.
6. Insert the new UV lamp into the bracket.
7. Tighten the two UV lamp bracket screws, but leave the brass thumb screw un-
tightened.
8. Connect the new UV lamp to the power supply.
9. Turn the instrument on and perform the UV adjustment procedure as defined in
section 12.7.2.5.
10. Finger tighten the thumbscrew.
CAUTION - GENERAL SAFETY HAZARD
DO NOT over tighten the thumbscrew, as over-tightening can cause
breakage to the lamp and consequently release mercury into the area.
11. Perform a lamp calibration procedure (refer to Section 5.9.6) and a zero point and
span point calibration (refer to Section 9).
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.
I MPORTANT When removing the PMT housing end plate cover for the Sensor
Assembly, ensure to replace the 5 desiccant bags inside the housing.