Front Panel Board Replacement - Thermo Scientific 49i Instruction Manual

Servicing

Front Panel Board Replacement

Front Panel Board
Replacement
7-22 Model 49i Instruction Manual
4. Pop off the measurement interface board from the two mounting studs
at the bottom of the board and remove the board.
Measurement
Interface
Board
Photometer Board
Ozonator Board
Figure 7-9. 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 "Removing the
Measurement Bench and Lowering the Partition Panel" in this chapter.
7. Calibrate the pressure transducer, flow transducers, and bench
temperature sensor as described earlier in this chapter.
Use the following procedure to replace the front panel board
Equipment Required:
Front panel board
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.
1. Turn instrument OFF, unplug the power cord, and remove the cover.
(Figure 7-10).
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