13-7
OPERATOR MAINTENANCEUSER HANDBOOK
FILTER HOUSING
ADAPTOR
O-RING
(Part No. 12737)
FILTER HOUSING
SILICA GEL / NOx ABSORBER
Fig. 13.4 Filter Housing Adaptor Removal
6) The chemical housing lter disc must be replaced if it is
damaged or contaminated.
Using the at end of a pencil or similar, push the lter from
the sample side of the housing as shown in Fig.13.5, then
remove and discard the lter.
Insert new lter disc (Part No. 67138) into chemical housing
then, using the at end of a pencil or similar, carefully push
lter into housing until correctly seated.
FILTER DISC
(Part No. 67138)
FILTER HOUSING
Fig. 13.5 Housing Filter Removal
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