TapFlo Metal Series, Original Instruction, Page: 23 / 56

3. MAINTENANCE
3.7. Stainless steel – Disassembly of the pump
The numbers put in brackets, refer to the part numbers in the spare part drawings and spare
part lists in chapter
5 “ SPARE PARTS ” .
3.7.1. Before the disassembly procedure
Be sure to drain all liquid from the pump. Cleanse or neutralize the pump thoroughly.
Disconnect the air supply and then the suction and discharge connections.
3.7.2. Disassembly procedure
Fig. 3.7.1
Unscrew the housing nuts [37].
Fig. 3.7.2
Lay down the pump on one side and lift one of the
housings [11].
Fig. 3.7.3
Lift the loose manifolds [13] and centre block [12] from
the second housing [11].
Fig. 3.7.4
Unscrew the allen screws [227] from the upper [22/22U*]
and lower [22/22L*] ball stop assemblies. Remove the
screws and the half-rods. If unscrewing is difficult, heat
up slightly the housing to loosen the glue.
* T70 and T120 pumps have the same size of ball
stopper pos. 22, whereas T220 and T420 had different
lengths of ball stoppers pos. 22U and 22L.