Photometer Board Replacement (Photometer Option); Detector Replacement (Photometer Option) - Thermo Scientific 146i Instruction Manual

Photometer Board
Replacement
(Photometer option)
Detector
Replacement
(Photometer option)
Thermo Fisher Scientific
Use the following procedure to replace the photometer board
Equipment required:
Photometer board
Philips screwdriver
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap must
be worn while handling any internal component.
Use the following procedure to replace the photometer board.
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Remove the ozonator board. Refer to
(Ozonator option)"
3. Remove the cables from the board.
4. Remove the two screws from the top of the board.
5. Pop off the board from the bottom mounting studs and remove the
board.
6. To install the new photometer board, follow previous steps in reverse.
7. Reinstall the ozonator board.
Use the following procedure to replace the photometer detector
(Figure 7-12).
Equipment Required:
Detector assembly

Photometer Board Replacement (Photometer option)

"Ozonator Board Replacement
on page 7-45.
Servicing
(Figure 7-10).
Model 146i Instruction Manual 7-35