User Guide

Piston spring #7525
Anti-torque washer
#7533
Piston retainer ring
#7526
Piston and rod
includes O-ring
#7518
Air input hose & fitting
#78518A
Air cylinder body
#7527-SS (stainless steel)
#7527 (hard-coated aluminum)
750SR-KIT
750V
750SSR-KIT
750V-SS
Stroke control knob
#750SR-KIT (stroke reference, aluminum)
#750SSR-KIT (stroke reference,
stainless steel)
Piston O-ring
11. Remove fluid body and diaphragm.
12. Remove stroke control knob and
spring by turning counterclockwise.
13. Remove the piston retainer ring and
anti-torque washer.
14. Remove the piston.
15. Lubricate O-ring, piston shaft and air
cylinder wall with Nye Lubricant #865.
16. Reinstall components in reverse order
of disassembly.
Tools required:
7/64" hex wrench
1/8" flat-tip screwdriver
6" adjustable wrench
6" needle-nose pliers
snap-ring pliers
Replacement Parts for Specific Valve Models
——— Fluid Body ———
Model UHMW Acetal Stainless* Fluid Inlet Fitting Tip Adapter Diaphragm
750V &
750V-SS 7521 n/a 7521-SS* 7511BP (1/8” ID Tube) 7514 7510
751V n/a 7521D 7521D-SS 7611BP (1/4” OD Tube) 7514B 7510
7610BP (3/8” OD Tube)
*optional
3
8
10
12
13
14
15
16
www.efd-inc.com [e-mail] USA 800-556-3484 Europe [phone] Asia [phone]
Sales and service of EFD dispensing systems are available worldwide.