Servicing
Flow Transducer Replacement
Thermo Fisher Scientific
Model 42
i
Trace Level Instruction Manual
7-45
3.
Unscrew the two screws at the top of the measurement interface board.
Pop off the measurement interface board from the four mounting studs
and remove the board (
Figure 7–21
).
4.
To install the measurement interface board, follow previous steps in
reverse.
5.
Re-install the measurement bench.
6.
Calibrate the PMT voltage, pressure transducer, flow transducer, input
board, and ambient temperature sensor as defined earlier in this
chapter.
Figure 7–21.
Replacing the Measurement Interface Board
Use the following procedure to replace the flow transducer (
Figure 7–22
).
Equipment Required:
Flow transducer
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.
▲
Flow Transducer
Replacement
Mounting Studs (2)
Measurement Interface Board
Mounting Screws (2)
