Dover PSG All-Flo A025-SQ, Manual, Page: 12 / 24

ALF-13210-E-01 All-Flo 12
SECTION
7
REPAIR AND ASSEMBLY
PUMP WET END REMOVAL
TOOLS NEEDED
1) Two Wrenches,
7
/
16
Inch
2) One Screwdriver, Straight Blade
3) Two Wrenches, 3/4 Inch
WARNING
Prior to servicing the pump, ensure that the air
and fluid lines are closed and disconnected. While wearing personal
protective equipment, flush, drain and process liquid from the
pump in a safe manner.
WARNING
Maintenance must not be performed when a hazardous
atmosphere is present.
STEP 1
Using the 7/16 inch wrenches
remove six “Hex-Head Cap
Screws”, six “Tension Washers”,
twelve “Washers” and six “Nuts”
from the “Manifolds”. Note the
tension washer cup face should
face towards the pump.
STEP 2
Remove the “Left Chamber”
and “Right Chamber” from the
“Intermediate”. Note the “Left
Chamber” has the long standoffs.
STEP 3
Remove the “O-Ring Retainers”
and the “O-Rings” from the “Right
Chamber”.
STEP 4
Using the straight blade
screwdriver (or 1/4 socket)
remove ten “Screws” from the
“Right Manifold”. Note the center
two “Screws” are longer than the
outer six.
STEP 5
Remove the “Right Chamber”
from the “Right Manifold”. Note
the “Right Manifold” does not have
any open ports.
STEP 6
Remove the “Manifold Gaskets”
from the “Right Chamber”.