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 [email protected]
USA 800-556-3484 44 (0) 1582 666334 Asia +86 (21) 5854 2345
Sales and service of EFD dispensing systems are available worldwide.