54
CAUTION!
11.2 Inspecting and replacing the deflector plate
CAUTION!
Chemical could spray out. This may lead to caustic or other burns. The dosing head
must always be depressurized and rinsed with water or a suitable medium before
starting any work on the dosing pump.
The following steps are required
to verify that the deflector plate
is in perfect condition and to
replace it if necessary. Repeat
steps 1-4 of Chapter 11.1
„Replacing the diaphragm“.
The deflector plate
���
can be
reached after removing the
diaphragm insert
���
. The
diaphragm insert can be
removed without difficulty by
prying it out with two
screwdrivers inserted in the
countersinks of the outer flanges.
Figure 1
Examine the condition of the
diaphragm.
The deflector plate must be
replaced if it is damaged.
Remove the old deflector plate.
Slide the new deflector plate
���
onto the diaphragm rod until it
engages in the groove of the
diaphragm rod
���
.
Figure 2
Now press the diaphragm insert
into the flange and proceed
through steps 5-10 in Chapter
11.1 „Replacing the diaphragm“.
Figure 3
1
2
3
