4
Performing Detectors Routine Maintenance
Maintaining a Nitrogen Phosphorous Detector (NPD)
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TRACE 1300 and TRACE 1310 Hardware Manual
Thermo Scientific
11. Remove the thermionic source.
a.
Using a T6 Torxhead key, loosen the dowel which fix the thermionic source
connector to the thermionic source support. See
.
Figure 139.
NPD Thermionic Source Removal (1)
b. Using the T10 Torxhead screwdriver, remove the three T10 Torx screws from the
thermionic source assembly. See
CAUTION
The thermionic source is delicate. Be careful not to break or crack the source.
When performing maintenance on the NPD, avoid touching the source with your fingers,
and prevent it from coming in contact with other surfaces.
Wear clean, lint-free gloves to prevent contamination of parts with dirt and skin oils.
Thermionic Source Connector
Dowel
Thermionic Source Support