ALF-12030-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 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.
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,
dissemble the “Diaphragm Rod
Assembly” into its two parts.
Note: They are installed with
thread locker.
