Maintenance
12-5
Source
housing
Detector
housing
10. There are four screws on the source and detector circuit boards that must be
removed. Remove the four screws in the corners of the source housing circuit
board, as shown below. Do not remove the remaining four screws.
Remove the four screws from the detector housing cover, as shown below.
Note that there are some small standoffs inserted over the screws behind the
cover; tilt the housing down when removing the cover so these standoffs don't
get lost.
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