3. MAINTENANCE
IOM manual - Sanitary series
33
Fig. 3.9.9
Unscrew the diaphragm [15] from one side of the
pump.
Fig. 3.9.10
Take out the second diaphragm [15] along with the
shaft [16].
Fig. 3.9.11
Using circlip pliers remove both circlips [27] from
the centre block [12].
Attention!
While doing this, cover yourself with
your other hand, as the circlip easily flips away.
Fig. 3.9.12
Press out the air valve [61] by means of a pressing
device. Be careful not to damage edges of the air
valve.
The pump is now completely disassembled. Check all components for wear or damage and replace if
necessary.
When air valve is removed from the centre body check the external O-rings ( pos. 30) condition and replace
if necessary.
Pressing device
