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• In case the valve has to be replaced, loosen
the two screws a by means of the allen key
in the pump housing.
• Replace the valve (the picture on the left
shows the replacement of the valve on the
OUT side).
Pump inlet Pump outlet
Check-valves V-700
A description of how to mount the valve can be
seen from the pump housing (the IN side is illus-
trated at the top of the picture on the left, the
OUT side is illustrated at the top of the picture
on the right). The upper image shows the instal-
lation on a V-700. The lower image shows the
installation on a V-710.
NOTE
Consider the mounting direction of the valve as
this is vital for the functioning of the pump. To
check whether the mounting is correct, blow
into the tube at the IN side. You should then feel
the air coming out of the OUT side.
Pump inlet
Pump outlet
Check-valves V-710
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