260 Maintaining Your GC
13 Maintaining the G3435A/G3436A FPD
4
Disconnect the retaining spring that holds the PMT assembly
to the bracket. With a rotating motion, pull the assembly
away from the filter housing.
5 To prevent light from damaging the PMT, cap the end or place
it face down.
6 Place a clean cloth under the filter housing to catch the filter.
• For phosphorus filter, use the sharpened wooden tip of a
toothpick or cotton swab to dislodge the filter from the
housing.
• For sulfur filter (shown below), use the wooden tip of the
cotton swab to remove the filter spacer. Then dislodge the
filter from the housing.