3. MAINTENANCE
IOM manual Tapflo TF series
23
Fig. 3.7.8 TXF 120; TF/TXF 220; TF/TXF 420
Unscrew the plate screws [2711] from both sides of the
centre body [12] and take out the left and right plate
[271].
Fig. 3.7.9 TXF 120; TF/TXF 220; TF/TXF 420
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, the external O-rings (6 x pos. 30) have to
be replaced before assembly.
3.8.
TF70 – TF420 - assembly of the pump – Stainless Steel
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
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. 3.8.2
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.
