3 Basic Operation
3.4 Shield Ring Height Check
14 FPD-2010
3.
Pull out and remove the photomultiplier to the side while holding it with both hands.
Photomultiplier
In order to prevent
light from entering into the removed photomultiplier, cover the opening of the photomultiplier with
aluminum foil and the like.
Fig. 3.4.2
4.
Remove the two fixing screws on the head to dismount the head.