Figure 7-12. Photometer Components - Thermo Scientific 146i Instruction Manual

Servicing
Photometer Lamp Replacement (Photometer option)
Lamp Heater
Lamp Insulation
7-32 Model 146i Instruction Manual
Lamp Retaining Screw
Lamp Housing
Photometer
Lamp
Thermistor

Figure 7-12. Photometer Components

5. Carefully slide the lamp out of the photometer.
6. Carefully slide new lamp into place until it bottoms and tighten the
lamp clamp screw.
7. Plug the new photometer lamp cable into the LAMP connector on the
photometer board.
8. Re-install the instrument cover.
9. Reconnect power and turn instrument ON.
10. After lamp has stabilized (approximately 15 minutes), refer to the
"Photometer Lamp Voltage Adjustment" procedure that follows to
adjust the photometer lamp voltage.
Detector Retaining Screw
Detector Housing
Detector
Thermo Fisher Scientific