Nordson EFD 781Mini Series Operating Manual Download Page 1 | Manualshive

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781Mini Series Spray Valve

Operating Manual

™

Electronic pdf files of Nordson EFD
manuals are also available at
www.nordsonefd.com

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Summary of Contents for 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: ...dispensing experience Most questions you will have are answered in this manual However if you need assistance please do not hesitate to contact EFD or your authorized EFD distributor Detailed contact...

Page 3: ...pecifications 6 Operating Features 6 Installation 7 Mounting the Valve on the Dispensing Equipment 7 Installing a 90 Fluid Inlet Fitting 7 Making the System Connections 8 ValveMate 8040 System with a...

Page 4: ...can be removed in seconds for fast change out and easy cleaning and maintenance of the valve s wetted parts How the 781Mini Valve Operates Input air pressure at 4 8 bar 70 psi retracts the piston and...

Page 5: ...of valve output for maximum end user convenience and efficiency The ValveMate 8040 controller puts push button adjustment of valve open time where it needs to be at the valve The ValveMate 8040 featu...

Page 6: ...psi Fluid inlet M5 Mounting M4 Cycle rate Exceeds 400 per minute Actuating air inlet 4 mm OD tubing barb fitting Air cylinder body 303 stainless steel Fluid body 303 stainless steel Air cap 303 stain...

Page 7: ...ws a Partially thread the QR clasp thumbscrew into the air cylinder body b When the thumbscrew is engaged rotate the fluid body to the required alignment based on the use of a 90 fluid inlet fitting c...

Page 8: ...w viscosity fluids fill the reservoir after installing it on the fluid inlet fitting NOTE Fill syringe barrel reservoirs no more than 2 3 full 4 Attach the syringe barrel adapter to the barrel reservo...

Page 9: ...he adapter to the fluid pressure regulator air line 5 Set the fluid pressure regulator to low for thin fluids and higher for thick fluids 6 Use the MODE button on the ValveMate controller to place the...

Page 10: ...t bottoms out If the zero on the reference ring does not match up with the reference mark on the actuator body adjustment is needed 3 Use a wrench to loosen the set screw 4 Turn only the stroke refere...

Page 11: ...ved 4 Turn the QR clasp thumbscrew counterclockwise to disengage the clasp 5 Carefully move the fluid body downward until it clears the needle and piston assembly 6 Remove the double stacked O rings f...

Page 12: ...ng in the fluid inlet side of the fluid body If installing a 90 fluid inlet fitting refer to Installing a 90 Fluid Inlet Fitting on page 7 to install the fitting in the desired orientation Return here...

Page 13: ...luid body to the required alignment c Finger tighten the thumbscrew to fully secure fluid body to the air cylinder 8 Reconnect the actuating air nozzle air and fluid supply to the valve 9 Turn the str...

Page 14: ...edle is very sharp Handle it cautiously to prevent injury CAUTION Do not grasp the needle with pliers Doing so can damage the needle 6 Carefully pull the needle and piston assembly out of the air cyli...

Page 15: ...the needle and piston assembly and the nozzle together if one of these components is damaged or worn Lubricate O rings with the supplied fluorocarbon grease P N 7014917 only if the assembly fluid bei...

Page 16: ...s spring and retaining ring 7028737 U cup seal Double stacked O rings 7361407 Viton brown 7361408 EPR black 7361409 Silicone orange 7020671 M5 fluid inlet fitting with barb Valve Part Numbers Part Des...

Page 17: ...worn or damaged parts Fluid flows from the nozzle but will not spray Nozzle air pressure too low Increase the nozzle air pressure Air passage between nozzle and air cap obstructed Remove the air cap...

Page 18: ...or 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 dispensin...

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