
11
MAINTENANCE
Replacing the Diaphragm & Flapper Valve
(Pond Oxygenator Single)
Replacing the Diaphragm & Flapper Valve
(Pond Oxygenator Twin and Four)
Step One
Remove base
screw rubber caps,
and unscrew the
base screws.
Step One
Remove rubber
base screw caps
and screws.
Step Five
Follow steps 1, 2 and 3 in
reverse order to reassemble.
Step Seven
Follow steps 1 to 5 in reverse
order to reassemble.
Step Four
Remove old diaphragm and flapper valve
assembly - replace with new.
Step Six
Remove old diaphragm and flapper valve
assembly - replace with new.
Step Four
Unscrew outlet bridge.
Step Two
Gently
remove lid.
Step Five
Unscrew the
diaphragm and
flapper valve
clamp.
Step Two
Gently
remove lid.
Step Three
Disconnect the air line
between the diaphragm/
flapper valve and the
metal outlet.
Step Three
Disconnect the air line
between the diaphragm/
flapper valve and the
metal outlet.