Heath Consultants GT Series - Manual (Page 131)

12-7
OPERATOR MAINTENANCE
5) The chemical housing filter disc must be replaced
if it is damaged or contaminated.
Using the flat end of a pencil or similar, push the
filter from the sample side of the housing as shown
in Fig.12.6, then remove and discard the filter.
Insert new filter disc (Part No. 67138) into chemical
housing then, using the flat end of a pencil or similar,
carefully push filter into housing until correctly
seated.
FILTER DISC
(Part No. 67138)
FILTER HOUSING
Fig. 12.6 Housing Filter Removal
6) The housing adaptor filter must also be replaced if
it is damaged or contaminated.
Using the flat end of a pencil or similar, push the
filter from the open end of the adaptor as shown
in Fig.12.7, then remove and discard the filter.
Insert new filter disc (Part No. 67199) into adaptor
recess until correctly seated.