ALF-13131-E-02
All-Flo
18
PILOT VALVE REMOVAL
STEP 1
Using the screwdriver, remove
three “Phillips Pan-Head Screws
(#6-32)” in order to remove the
“Retaining Plate”. Repeat for both
sides 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, #2 Phillips
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.
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,
dissemble the “Diaphragm Rod
Assembly” into its two parts.
Note: They are installed with
thread locker.