Thermo Scientific TRACE 1600 Hardware Manual page 202

4
Performing Detectors Routine Maintenance
Maintaining a Nitrogen Phosphorous Detector (NPD)
170 TRACE 1600/1610 Hardware Manual
Figure 137. Unplug NPD Signal Cable
8. Open the module flap cover.
9. Remove the thermionic source assembly cable.
a. Twist the ring to disconnect the thermionic source assembly cable.
b. Push and twist the lock so that the button slides up in the groove, then pull the cable
ends apart. See Figure 138.
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