Servicing
Pressure Transducer Assembly Replacement
7-34 Model 42i Low Source Instruction Manual Thermo Electron Corporation
Philips screwdriver
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Disconnect plumbing from the pressure transducer assembly. Note the
plumbing connections to facilitate reconnection.
3. Disconnect the pressure transducer cable.
Figure 7-18. Replacing the Pressure Transducer
4. Remove the two pressure transducer assembly retaining screws and
remove the pressure transducer assembly.
5. To install the pressure transducer assembly, follow previous steps in
reverse.
6. Calibrate the pressure transducer. Refer to the “Pressure Transducer
Calibration” procedure that follows.
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.
Retaining Screws (2)
Pressure Transducer Assembly
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