Thermo Scientific TRACE 1600 Hardware Manual page 197

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a. Using a T6 Torxhead key, loosen the dowel which fix the thermionic source
connector to the thermionic source support. See
Figure 130. NPD Thermionic Source Removal (1)
b. Using the T10 Torxhead screwdriver, remove the three T10 Torx screws from the
thermionic source assembly. See
4
Performing Detectors Routine Maintenance
Maintaining a Nitrogen Phosphorous Detector (NPD)
Figure 130.
Thermionic Source Connector
Thermionic Source Support
Dowel
Figure 131.
TRACE 1600/1610 Hardware Manual 165