Thermo Scientific TRACE 1600 Hardware Manual page 372

7
Detectors Advanced Maintenance
Replacing the FPD Photomultiplier Tube
340 TRACE 1600/1610 Hardware Manual
9. Remount the photomultiplier tube assemble.
a. Check where the PMT telescopic centering sleeve assemble is:
– if into the photomultiplier tube holder go directly to
– if out the photomultiplier tube holder proceed as follow:
Slide the fixed centering sleeve on the photomultiplier tube, then insert the
moving centering ring into the photomultiplier tube holder.
b. Reinsert the photomultiplier tube housing into the photomultiplier tube holder.
Holding the photomultiplier tube holder with one hand, use the other hand to
reinsert the photomultiplier tube housing into the holder. See
Figure 321. Photomultiplier Tube Housing Reinstallation (1)
step b
Figure 321.
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