User Guide

Fluid Body
1. Remove the two retainer screws.
2. To reinstall the fluid body, align fluid
body holes with diaphragm and air
cylinder body holes and reinsert
retainer screws. Torque to 1.58 Nm
(14 inch pounds).
Diaphragm
3. Back out stroke control two turns
counterclockwise from the closed
position.
4. Remove fluid body.
5. Unscrew diaphragm (counter-
clockwise) and remove it from the
piston rod.
6. Thread on the new diaphragm
and tighten slowly until
diaphragm bottoms against
piston shaft.
7. Align the holes of the diaphragm
with the appropriate holes in the
air cylinder body by inserting a
flat tip screwdriver through the
hole in the stroke control and
engage piston rod slot.
8. Rotate rod, piston and diaphragm
assembly clockwise until holes
are aligned.
9. Reinstall fluid body and torque
retainer screws to value specified
in step 2.
10. Turn stroke control clockwise until
closed, and then reopen to
desired stroke.
Valve Disassembly
and Reassembly Procedures
1
2
4
5
6
7
9
11
17
Tip retaining nut
#75405
(2) Retaining screws
#HM3X16SHC
Fluid body
#75402
Fluid inlet fitting
#75410
Optional upchurch
fitting available;
specify part #75408
Diaphragm
#7510TKIT
Teflon
®
O-ring
#75411T
www.efd-inc.com [e-mail] USA 800-556-3484 Europe [phone] Asia [phone]
Sales and service of EFD dispensing systems are available worldwide.