3. MAINTENANCE
IOM manual Tapflo Metal Series 25
Fig. 3.7.10
Press out the air valve [61] by means of a pressing
device. Be careful not to damage the brass 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 (6 x pos. 30)
condition and replace if necessary.
3.8. Stainless steel ā assembly of the pump
The assembly procedure is done in the reverse order to the disassembly.
Nevertheless there are a few things that you have to remember in order to assemble the
pump correctly.
Fig. 3.8.1
Before inserting the air valve [61] , insert the circlip [27]
on one side of the centre block.
Fig. 3.8.2
When putting the air valve [61] into the centre block
[12], apply some water or alcohol on the O-rings to
provide smooth insertion of the air valve.
It is recommended to use a pressing device for this
operation.
Fig. 3.8.3
When there is need to replace the diaphragm pin screw
[1652], while screwing it into the diaphragm [15] make
sure the pin screw goes all the way.
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