Appendix J Routine & Preventative Maintenance – Standard Models
360
Scintillation Detectors
Removal
Preparatory Work
Remove the floor pan to access the foot detector on the GEM-5 (remove two screws
on each side of the floor pan). Unscrew the fasteners and remove the flat metal panel
to access the vertical detectors. The overhead detector is accessed from the roof by
unscrewing the fasteners and removing the flat metal panel from the top of the unit.
Figure 151 Remove floor pan (left), vertical panel (right), or roof cover
(not shown) to access detectors on the GEM-5.
Figure 152 Three vertical detectors (left) and gamma detector board (right).
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