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Servicing
Front Panel Board Replacement
Front Panel Board
Replacement
7-28
Model 146i Instruction Manual
1. Refer to
"Removing the Measurement Bench and Lowering the
Partition Panel"
on
to the next step below.
2. Unplug all connectors. Note the locations of the connectors to facilitate
reconnection.
3. Remove the two retaining screws from the top of the board.
4. Pop off the measurement interface board from the two mounting studs
at the bottom of the board and remove the board.
Thermistor
Measurement
Interface
Board
Ozonator Board
Photometer Board
Figure 7-10. Replacing the Measurement Interface Board
5. To install the measurement interface board, follow previous steps in
reverse.
6. Re-install the measurement bench. Refer to
Measurement Bench and Lowering the Partition Panel"
Use the following procedure to replace the front panel board
Equipment Required:
page 7-9
to lower the partition panel, then proceed
"Removing the
on
page
7-9.
(Figure
7-11).
Thermo Fisher Scientific
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