Related Manuals for Nordson EFD 781Mini Series
Summary of Contents for Nordson EFD 781Mini Series
- Page 1 781Mini Series Spray Valve Operating Manual ™ Electronic pdf files of Nordson EFD manuals are also available at www.nordsonefd.com...
- Page 2 Thank You! You have just purchased the world’s finest precision dispensing equipment. I want you to know that all of us at Nordson EFD value your business and will do everything in our power to make you a satisfied customer.
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Page 3: Table Of Contents
Round Pattern Spray Area Coverage ..........................10 Valve Stroke Calibration ..............................10 Service ...................................11 Cleaning the Wetted Parts ............................11 Replacing a Valve Component (Full Disassembly and Reassembly) .................14 Replacement Parts ................................16 Troubleshooting ................................17 www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. -
Page 4: Introduction
Once the cycle is complete, air pressure is exhausted, causing the piston spring to return the needle back to its position in the nozzle, stopping fluid flow. Closed Open www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. -
Page 5: How The Qr Clasp Works
The objectives are to bring dispensing control close to the point of application and to provide the features necessary to make setup and operation as easy and precise as possible. www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. -
Page 6: Specifications
90° air inlet push-in fitting Fluid body 90° fluid inlet fitting (included) QR clasp Retaining nut / air cap / nozzle assembly Straight fluid inlet fitting (included) www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. -
Page 7: Installation
(1) turn. Use an 8-mm wrench to tighten the fitting nut against the Luer fitting fluid body. Valve fluid 90° fluid inlet body fitting nut www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. -
Page 8: Making The System Connections
Before opening the reservoir, check the pressure gauge to verify that pressure is zero (0). If using an EFD tank, also open the pressure relief valve. On all EFD cartridge reservoirs, the unique threaded design provides fail-safe air pressure release during cap removal. www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. -
Page 9: Valvemate 7140 System With A 781Mini Valve
Before opening the reservoir, check the pressure gauge to verify that pressure is zero (0). If using an EFD tank, also open the pressure relief valve. On all EFD cartridge reservoirs, the unique threaded design provides fail-safe air pressure release during cap removal. www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. -
Page 10: Round Pattern Spray Area Coverage
(shows the Reference mark on stroke number Return the stroke control knob to the stroke number setting air cylinder body setting) noted in step 1. www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. -
Page 11: Service
Do not clean the needle with an abrasive material, specifically in chemically sensitive applications. Nozzle (PEEK nozzle shown) Clean the needle with a cloth dampened in solvent. Air cap Air cap retaining nut Removing the nozzle www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. - Page 12 Use one hand to position the fluid body on the air cylinder / stacked O-rings needle assembly and then slide the QR clasp into the grooves on the air cylinder body. www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide.
- Page 13 Refer to “Valve Stroke Calibration” on page 10. Zero (0) and reference mark lined up, indicating that the stroke control is properly calibrated. www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide.
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Page 14: Replacing A Valve Component (Full Disassembly And Reassembly)
11. Remove the air cap retaining nut and then remove the air cap Nozzle (PEEK nozzle and the nozzle components. Fluid inlet shown) fitting Air cap Air cap retaining nut www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. - Page 15 • Recalibrate the stroke control knob if needed. Correct installation location for the Zero (0) and reference mark lined up, nozzle air fitting indicating that the stroke control is properly calibrated. www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide.
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Page 16: Replacement Parts
Bushing kit (2 pack) 7360613 Mounting bracket 7028765 M4 thread mounting rod 7014917 Fluorocarbon grease (for lubricating O-rings; before using, ensure compatibility with the fluid being dispensed) www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. -
Page 17: Troubleshooting
(70 psi) 4.8 bar (70 psi). Valve open time inconsistent The time the valve is open must be constant. Make sure the valve controller is providing a consistent output. www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide. - Page 18 NORDSON EFD ONE YEAR LIMITED WARRANTY Nordson EFD products are warranted for one year from date of purchase to be free from defects in material and workmanship (but not against damage caused by misuse, abrasion, corrosion, negligence, accident, faulty installation or by dispensing material incompatible with equipment) when the equipment is installed and operated in accordance with factory recommendations and instructions.