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15
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i. Parts Removal
*First unplug the pump’s power cable from the main
power supply.
Step 1: Remove the pump head. First, remove the 8
small pan head screws (M4×12) shown in the picture on
the left, and then remove the pump head.
Pump head
Small pan head
screw
Step 2: Remove the valve. First remove (1) the small
flat head screw (M4×6), and then you can remove (2)
the pump head cover and (3) the head gasket. Next, use
the tri-wing (bit) screwdriver to remove (4) the tri-wing
screw, (5) the valve holder and (6) the valve.
* The picture shown is the primary side of the
DAP-12S, but the procedure is the same for the
secondary side of the DAP-12S and both the primary
and secondary sides of the DAP-6D.
Step 3: Remove the diaphragm. First, remove (1) the
small flat head screw (M5×12) as shown in the diagram,
then remove (2) the push plate for the diaphragm and (3)
the diaphragm.
*The procedure is the same for both primary and
secondary sides of all models.
* Please be careful when removing (2) the push plate for
the diaphragm and (3) the diaphragm, as they tend to
adhere to each other and they are therefore hard to
remove.
This step completes the parts removal procedure. The
next section is the assembly.
Small pan head
screw
