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725HF-SS and 725HF-A
Piston Valves
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
Forward to
Tool Crib
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www.efd-inc.com
www.efd-inc.com/cn
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Related Manuals for Nordson EFD 725HF-SS
Summary of Contents for Nordson EFD 725HF-SS
- Page 1 725HF-SS and 725HF-A Piston Valves 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 8. Using the hex on the shaft, CAUTION: To prevent damage, the valve unthread shaft, and remove must be disassembled starting at the fluid shaft and diaphragm. outlet end of the valve. 9. Unscrew air cylinder cap from air cylinder body.
- Page 3 General Maintenance Kit Maintenance Tools: #725HF-RK for 725HF-SS valve 1/8" hex wrench #725HF-A-RK for 725HF-A 1/4" flat-tip screwdriver † valve 3/8" box wrench Includes air cylinder and body cap 7/8" open-end wrench O-rings, diaphragm, sealing head 8" adjustable wrench with screw and lubricant.
- Page 4 Troubleshooting Guide No fluid flow Valve responds slowly when • opening and closing If valve operating air pressure is too low, the valve will not open. • Valve response is related to control Increase air pressure to 70 psi air hose length and size. The valve (4.8 bar) minimum.