VERDER VERDERAIR PURE Manual page 12

Disassembly of the valve seats and valve
balls (or cylindrical valves).
To have access to the valve seats and balls
you do not need to disassemble the pump.
Unscrew the liquid plug (09) at the top of
the side housing (02-03) with the special
tool (see Figure 4).
02
Take out the spacer (13) and the valve ball
(11) or the cylindrical valve (10). Remove
the valve seat (12) (see Figure 5).
For the suction side you can work exact the
same way, except you have to remove first
the valve seat (12) before you have access
to the valve ball (11) or the cylindrical valve
(10).
Disassembly of the side housings.
Remove the covers (08) of the side
housings (02-03) by pushing gently a
screw driver in the opening of the side
housing (see Figure 6).
09
Unscrew the bolts on the assembly pins (23)
on one side using a socket wrench. Remove
the washers and the spring washers, than
remove the side housing (02-03). Take
care not to damage the sealing surfaces in
contact with the diaphragms. Remove the
Figure 4
assembly pins from the other side housing
and remove the second side housing.
Unscrew the valve stop screws and remove
the valve stop (15) (see Figure 7).
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Figure 5
Remove the housing o-rings (22)
(see Figure 8).
VA-P_man_Rev06-2013_UK_(uk) | 18.06.2013
08
22
Figure 8
Figure 6
Figure 7
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