Nordson A7A Customer Product Manual
Lansing spray gun
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A7A Lancing
Spray Guns
Customer Product Manual
Part 107009-05
Issued 8/18
For parts and technical support, call the Industrial Coating
Systems Customer Support Center at (800) 433-9319 or
contact your local Nordson representative.
This document is subject to change without notice.
Check http://emanuals.nordson.com for the latest version.
NORDSON CORPORATION AMHERST, OHIO USA
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Table of Contents
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Summary of Contents for Nordson A7A
- Page 1 For parts and technical support, call the Industrial Coating Systems Customer Support Center at (800) 433-9319 or contact your local Nordson representative. This document is subject to change without notice. Check http://emanuals.nordson.com for the latest version. NORDSON CORPORATION AMHERST, OHIO USA...
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Page 2: Table Of Contents
..... . Contact Us Notice This is a Nordson Corporation publication which is protected by copyright. Nordson Corporation welcomes requests for information, comments, and Original copyright date 1997. No part of this document may be inquiries about its products. - Page 3 Change Record Change Record Revision Date Change 9/17 Added transducer to parts list. 8/18 Revised ATEX label. 8/18 Added new part number for O- ring lubricant. Part 107009-05 E 2018 Nordson Corporation...
- Page 4 Change Record Part 107009-05 E 2018 Nordson Corporation...
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Page 5: Safety
Read and follow these safety instructions. Task- the environment in which it is used. Any approvals and equipment-specific warnings, cautions, and obtained for Nordson equipment will be voided if instructions are included in equipment instructions for installation, operation, and service documentation where appropriate. -
Page 6: High-Pressure Fluids
A7A Lancing Spray Guns Personal Safety MEDICAL ALERT—AIRLESS SPRAY WOUNDS: (contd) NOTE TO PHYSICIAN Obtain and read Safety Data Sheets (SDS) for all materials used. Follow the manufacturer’s Injection in the skin is a serious traumatic injury. It instructions for safe handling and use of... -
Page 7: Halogenated Hydrocarbon Solvent Hazards
A7A Lancing Spray Guns Action in the Event of a Provide adequate ventilation to prevent dangerous concentrations of volatile particles or Malfunction vapors. Refer to local codes or your material If a system or any equipment in a system SDS for guidance. -
Page 8: Description
They are constructed of stainless steel with a 293 mm (11.53 in.) extension. A7A Circulating Lancing Spray Gun (Shown without Nozzle) A7A Spray Monitor (SM) Lancing Spray Gun (Shown without Nozzle) Figure 1 A7A Lancing Spray Guns Part 107009-05... -
Page 9: Specifications
117 bar (1700 psi) 117 bar (1700 psi) Nozzle Mounting Threads #10- 32 #10- 32 Equipment Labels A7A SM Lancing Spray Gun ATEX Markings (P/N 1604483) A7A EXTENDED SM GUN AMHERST, OHIO USA 44001 P/N: 1604483 S/N: XXXXXXXXXX File ref: 0401... -
Page 10: Operation
(3) and pulling the ball (7) back to the return fitting. off the seat (6). When the air pressure is removed, When the A7A SM Lancing Spray Gun is closed, the packing cartridge spring forces the ball back coating material circulates through the gun body into the seat and stops the flow of coating material. -
Page 11: Installation
Additional gun. Review this recommended plumbing circuit customer-supplied parts may be required. before Figure 3 Typical Spray Gun Installation (A7A Circulating Lancing Spray Gun) 1. CP pump (or other with similar output) 5. Solenoid valve 9. Circulation valve 2. Heater 6. -
Page 12: A7A Sm Lancing Spray Gun
DRAIN DRAIN SUPPLY DRAIN Figure 4 Typical Spray Gun Installation (A7A SM Lancing Spray Gun) 1. EP Pump (or other with similar output) 5. Pressure-reducing regulator 8. Back pressure regulator 2. Two-way ball valve 6. Spray gun 9. -
Page 13: Mounting
8. Mounting holes -20 JIC fitting (return) 6. Nylon washer Note: Fluid fittings (2, 3) for A7A SM Lancing Spray Gun can be used for either supply or return. Mounting Nozzle Installation Use two #10 screws to mount the gun. -
Page 14: Pressure Transducer
A7A Lancing Spray Guns Pressure Transducer CO-Plate When the is installed as A7A SM Lancing Spray Gun When the is installed as A7A SM Lancing Spray Gun part of a iTRAX spray monitor system, install a part of a iTRAX spray monitor system, install a... -
Page 15: Troubleshooting
WARNING: Allow only qualified personnel to perform the following tasks. Follow the safety instructions in this document and all other related documentation. These troubleshooting procedures cover only the most common problems. If you cannot solve a problem with the information given here, contact your local Nordson representative for help. Problem Possible Cause... -
Page 16: Repair
8. Disconnect the air and fluid lines and remove and tighten it securely. the spray gun from its mounting. 4. Standard A7A gun only - Install the seal (13) and the seal retainer (14) into the extension body (2). Tighten the seal retainer with a Disassembly screwdriver. - Page 17 Apply 900424 threadlock compound to threads before tightening. Apply 900481 pipe adhesive/sealant to threads before installing. Ball and Seat are a matched set and must be replaced together. Figure 7 Repair (A7A Circulating Lancing Spray Gun) Part 107009-05 E 2018 Nordson Corporation...
- Page 18 Ball and Seat are a matched set and must be replaced together. Figure 8 Repair (A7A SM Lancing Spray Gun) 2. Extension body 8. Packing cartridge 16. Gun body 3. Screws (2 in. long) 9. Elbows (stainless steel) 17.
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Page 19: Parts
(A7A SM) - - - - - - 170496 - - - - - - GUN, A7A, circ, 11.53 (293 mm) - - - - - - - - - - - - 1604483 GUN, A7A SM Lancing Spray Gun, 11.53 (293 mm) - Page 20 247646 247646 S CARD, medical alert, injection NOTE A: Included in 179447 Service Kit, Ball and Seat, A7A. B: Included in 179445 Service Kit, Piston w/EPR Seals. C: Included in 179446 Service Kit, Shaft Seal. D: Optional - See Table 1.
- Page 21 A7A Lancing Spray Guns Figure 9 Parts (A7A Circulating Lancing Spray Gun) Part 107009-05 E 2018 Nordson Corporation...
- Page 22 A7A Lancing Spray Guns Right View Left View Cross Section Front View Figure 10 Parts (A7A SM Lancing Spray Gun) Part 107009-05 E 2018 Nordson Corporation...
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Page 23: Service Kits
Use these kits to rebuild the spray gun. Refer to the spray gun parts list for kit contents. Part Description Note 170497 CARTRIDGE, packing, stainless steel, EPR 179447 SERVICE KIT, ball and seat, A7A 179446 SERVICE KIT, shaft seal 179445 SERVICE KIT, piston w/EPR seals 1604703 SERVICE KIT, soft goods, A7A Adhesives, Sealants and Lubricants Use these when making repairs to the spray gun. -
Page 24: Co-Plate
CO-Plate Use carbide CO-plates with the iTRAX spray monitor system. Cross-reference your nozzle size with your spray pressure to find the correct CO-plate part number. Contact your Nordson representative for more information on CO-plates for your application.>>> 2 <<< Table 1 CO-Plate Selection Chart... -
Page 25: Nozzles
A7A Lancing Spray Guns Nozzles This gun uses Nordson Tube Lining Cross-Cut nozzles. Refer to Section B7, Tube Lining Nozzles, in the Nordson Nozzle Catalog, or contact your Nordson representative for help in ordering new nozzles for your spray gun. - Page 26 A7A Lancing Spray Guns Part 107009-05 E 2018 Nordson Corporation...
- Page 27 Automatic Airless Spray Applicators, A7A Models : A7A Single, A7A Dual, A7A Extended Lancing Description: These are all air operated high pressure airless spray guns. The Lancing one listed above is used for lancing into an object to be coated.
- Page 28 Automatic Airless Spray Applicators, A7A Models : A7A Quattro Modular, A7A Dual Modular, A7A Single Modular, A7A Extended Lancing with Spray Monitor Port Description: These are all air operated high pressure airless spray guns. The Lancing one listed above is used for lancing into an object to be coated.