Thermo Scientific TRACE 1600 Hardware Manual page 368

7
Detectors Advanced Maintenance
Replacing the FPD Photomultiplier Tube
336 TRACE 1600/1610 Hardware Manual
 To replace the photomultiplier tube
Materials needed
FPD fixing tools
FPD Photomultiplier Tube
1-mm Allen wrench
Cross head screwdriver
Gloves
1. Put the GC in standby condition.
2. Switch off the flame. Hydrogen and air are automatically closed.
3. Cool the detector to room temperature.
Note By pressing the Maintenance button, the GC cool down is automatically
carried out.
4. Power off the GC.
a. Push down the power switch (breaker), located at the back of the instrument, to the
position O.
b. Unplug the power cable from the AC Input connector into the back of the GC and
from the wall outlet.
5. If other external modules are present, unplug the power cable from the AC Input
connector of each module, and from the wall outlet.
6. Remove the FPD detector from the base.
a. Disconnect the signal, excitation voltage, and ignition/heating cables from the
detector. See Figure 315.
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