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754V-SS Dispense Valve
MAINTENANCE & PARTS GUIDE
Electronic pdf files of EFD
www.efd-inc.com/manuals.html.
IMPORTANT!
Save this Sheet.
Maintenance or
Supervisors
®
A NORDSON COMPANY
For EFD sales and service in over 30 countries,
contact EFD or go to www.efd-inc.com/contact
EFD, Inc.
East Providence, RI USA
800-556-3484; +1-401-434-1680 (outside the USA)
info@efd-inc.com
EFD International Inc.
Dunstable, Bedfordshire, UK
0800 585733 or +44 (0) 1582 666334
Ireland 00800 8272 9444
europe@efd-inc.com
EFD, Inc., Asia
China: +86 (21) 5854 2345
china@efd-inc.com
Singapore: +65 6896 9630 sin-mal@efd-inc.com
®
manuals are also available at
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Summary of Contents for Nordson EFD 754V-SS
- Page 1 754V-SS Dispense Valve MAINTENANCE & PARTS GUIDE Electronic pdf files of EFD ® manuals are also available at www.efd-inc.com/manuals.html. IMPORTANT! Save this Sheet. Forward to Maintenance or Tool Crib Supervisors ® A NORDSON COMPANY For EFD sales and service in over 30 countries, contact EFD or go to www.efd-inc.com/contact...
- Page 2 Valve Disassembly and Reassembly Procedures Fluid Body Thread on the new diaphragm and tighten slowly until Remove the two retainer screws. diaphragm bottoms against To reinstall the fluid body, align fluid piston shaft. body holes with diaphragm and air Align the holes of the diaphragm cylinder body holes and reinsert with the appropriate holes in the retainer screws.
- Page 3 Cylinder O-ring Piston O-ring 17. Remove fluid body and diaphragm. 11. Remove fluid body and diaphragm. 18. Remove stroke control knob and spring by turning counterclockwise. 12. Remove stroke control and spring by turning counterclockwise. 19. Remove the piston retainer ring, anti-torque washer and piston.
- Page 4 Troubleshooting Guide No fluid flow ridge on the fluid body is damaged or the fluid body is distorted due to excessive • If valve operating air pressure is too low, torque on the retaining screws. In either the valve will not open. Increase air case, replace the fluid body.