Teledyne T100 Instruction Manual page 286

Troubleshooting & Repair
286
1. Turn off the instrument power.
2. Open the top cover of the instrument:
 Remove the set screw located in the top, center of the rear panel.
 Remove the screws fastening the top cover to the unit (four per side).
 Lift the cover straight up.
3. Disconnect the sensor module pneumatic lines (refer to Figure 10-6
 Gas inlet line: 1/8" black Teflon line with stainless steel fitting.
 Gas outlet line: 1/4" black Teflon
4. Disconnect all electrical wiring to the Sensor Module:
 UV lamp power supply wiring
 Shutter cabling
 Reaction cell thermistor wiring (yellow)
 Reaction cell heater wiring (red)
 UV detector wiring
 TEC power cable
 PMT wiring (connectors J5 & J6 on the PMT preamplifier PCA)
5. Remove the three sensor module mounting screws.
Mounting
Screw
Figure 10-7:
Follow the above steps in reverse order to reinstall the sensor module.
Teledyne ML - T100 UV Fluorescence SO2 Analyzer

line with brass fitting.
Sample
Chamber
Sensor Module Mounting Screws
06807A(DCNxxxx)
Mounting
Screw
PMT
Housing
Mounting
Screw