Dover PSG All-Flo A025-SQ, Manual, Page: 13 / 24

ALF-13210-E-01 All-Flo 13
PUMP WET END ASSEMBLY
To assemble the wet end of the pump, reverse the order of disassembly.
Ensure all hardware is fastened in accordance with torque specifications
(see page 15). Inverting one of the diaphragms during reassembly will
facilitate ease of assembly.
STEP 7
Repeat STEP 4 above for the “Left
Manifold”, then remove the “Left
Chamber” from the “Left Manifold”.
Note the “Left Manifold” is the one
which contains the open ports.
STEP 8
Remove the “Manifold Gaskets”
from the “Left Chamber”. Note
the “Left Chamber” has the long
standoffs.
STEP 9
Using two 3/4 Inch wrenches,
remove “Outer Diaphragm
Plate”, “Diaphragm” and “Inner
Diaphragm Plate” from one side of
the pump. Note PTFE diaphragms
also contain an O-Ring on the
“Intermediate” side.
STEP 10
Placing the 3/4 inch wrench on the remaining “Outer Diaphragm Plate” and the 7/16 inch wrench on the
“Diaphragm Rod Assembly”, remove the remaining “Outer Diaphragm Plate”, “Diaphragm” and “Inner
Diaphragm Plate” from the other side of the pump. Note PTFE diaphragms also contain an O-Ring on the
“Intermediate” side.