VA-C_man rev01-2016_VI_(uk) | 1.02.2017
12
Disassembly of the housing
Unscrew the bolts on the assembly pins
(23) on one side using a socket wrench.
Remove the washers, than remove the side
housing (02-03). Take care not to damage
the sealing surfaces in contact with the
diaphragms. Remove the assembly pins
from the other side housing and remove the
second side housing.
Disassembly of the valve seats and valve
balls (or cylindrical valves).
To have access to the valve seats and balls
you need to disassemble the pump side
housings first. Unscrew the liquid plug (09)
at the top of the side housing (02-03) with
the special tool (see Figure 7.1 and 7.2).
Figure 5
Figure 6
22
1
2
1
3
4
Figure 4
Figure 7.1
Figure 7.2
Figure 8
9
12
2
9
2
2
Plug tool
Plug tool
Remove housing o-rings (22).
Remove discharge valve ball or discharge
cylindrical valve and put a flat screwdriver
in to liquid flow hole of side section (see
figure 5) and gentle push-up seat to remove
it. Take out second valve ball (11) or the
cylindrical valve (10).
