ALF-13150-E-01
All-Flo
16
PILOT VALVE REMOVAL
STEP 1
Using the screwdriver, remove
three “Phillips Pan-Head Screws”
in order to remove the “Retaining
Plate”. Repeat for other side of
the pump.
STEP 2
Remove the “Diaphragm Rod” and
the “Pilot Sleeve Assembly” from
the “Intermediate”.
STEP 3
Remove both “Lip Seals
(Diaphragm Rod)” and both “End
Spacers (Pilot Sleeve)” from the
“Pilot Sleeve Assembly”. Remove
both “O-Rings (End Spacer)” from
both “End Spacers (Pilot Sleeve)”.
TOOLS NEEDED
1) One Screwdriver, Phillips #2
2) Two Wrenches,
7
/
16
Inch
WARNING
Prior to servicing the pump, ensure that the air and fluid
lines are closed and disconnected. While wearing personal protective equip-
ment, flush, drain and process liquid from the pump in a safe manner.
WARNING
Maintenance must not be performed when a hazardous atmo-
sphere is present.
WARNING
For pump models with non-metallic manifolds, air valves, or
chambers: When the relative humidity in the surrounding atmosphere is above
30%, the equipment must not be touched by personnel unless first wiped down
with a damp cloth.
STEP 4
Remove three “Inner Spacers
(Pilot Sleeve)” and four “O-Rings
(Pilot Sleeve)” from the “Pilot
Sleeve Assembly”.
STEP 6
Remove the “Pilot Sleeve” from
the disassembled “Diaphragm
Rod Assembly”.
REPAIR AND ASSEMBLY
STEP 5
Using two 7/16 inch wrenches,
disassemble the “Diaphragm Rod
Assembly” into its two parts.
Note: They are installed with
thread locker.
