Insert the supplied filter-exchange tool into the opening. Turn it carefully
counterclockwise until the filter becomes loose. Now unscrew filter from its
socket by turning tool counterclockwise.
1 2 3
Fig. 7
1
thread
2
rubber gasket
3
filter exchange tool
Insert new filter into filter-exchange tool. Make sure that the rubber gasket (fig. 7,
item 2) of the filter cartridge is in place. Insert tool with filter into opening on
instrument front panel.
Screw in filter clockwise into its panel-mounted socket. Tighten filter
applying
gentle effort only
.
Never tighten filter too much - otherwise thread might break off!
Let circular cover (fig 1, item 2) snap back into front panel.
Complete printed text on supplied sticker by filling in actual date into line reading
"last filter change on......."
and apply sticker right on top of the cover. This will facilitate your
control of observance of filter change schedule.
27
