Nordson A7A Quattro Modular Customer Product Manual
Nordson A7A Quattro Modular Customer Product Manual

Nordson A7A Quattro Modular Customer Product Manual

Automatic spray gun
Hide thumbs Also See for A7A Quattro Modular:

Advertisement

Quick Links

A7A Quattro Modular
Automatic Spray Gun
Customer Product Manual

Document Number
1602111-03
Issued 07/22
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

Advertisement

Table of Contents
loading

Summary of Contents for Nordson A7A Quattro Modular

  • 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...
  • Page 2: Table Of Contents

    Nordson Corporation welcomes requests for information, comments, and This is a Nordson Corporation publication which is protected by copyright. inquiries about its products. General information about Nordson can be found on Original copyright date 2012. No part of this document may be photocopied,...
  • Page 3 Change Record Change Record Revision Date Change 8/18 Revised ATEX markings. 07/22 Added CE and UK symbols. 1602111-03 © 2022 Nordson Corporation...
  • Page 4 Change Record 1602111-03 © 2022 Nordson Corporation...
  • Page 5: Safety

    Intended Use Use of Nordson equipment in ways other than those described in the documentation supplied with the equipment may result in injury to persons or damage to property. Some examples of unintended use of equipment include: •...
  • Page 6: Personal Safety

    A7A Quattro Modular Automatic Spray Gun Personal Safety To prevent injury follow these instructions. • Do not operate or service equipment unless you are qualified. • Do not operate equipment unless safety guards, doors, or covers are intact and automatic interlocks are operating properly. Do not bypass or disarm any safety devices.
  • Page 7: High-Pressure Fluids

    A7A Quattro Modular Automatic Spray Gun High-Pressure Fluids High-pressure fluids, unless they are safely contained, are extremely hazardous. Always relieve fluid pressure before adjusting or servicing high pressure equipment. A jet of high-pressure fluid can cut like a knife and cause serious bodily injury, amputation, or death.
  • Page 8: Fire Safety

    Chlorine “Chloro-” Bromine “Bromo-” Iodine “Iodo-” Check your material SDS or contact your material supplier for more information. If you must use halogenated hydrocarbon solvents, contact your Nordson representative for information about compatible Nordson components. 1602111-03 © 2022 Nordson Corporation...
  • Page 9: Action In The Event Of A Malfunction

    A7A Quattro Modular Automatic Spray Gun Action in the Event of a Malfunction If a system or any equipment in a system malfunctions, shut off the system immediately and perform the following steps: • Disconnect and lock out system electrical power. Close hydraulic and pneumatic shutoff valves and relieve pressures.
  • Page 10: Description

    Nozzles Nozzles are not included with the spray gun. For information on Nordson airless nozzles and help in choosing the correct nozzle for your application, contact your Nordson representative.
  • Page 11 A7A Quattro Modular Automatic Spray Gun 79.25 mm 149.35 mm (3.12 in) (5.88 in) 136.65 mm (5.88 in) Figure 2 A7A Quattro Spray Gun Dimensions Figure 3 A7A Quattro Spray Gun ATEX Markings 1602111-03 © 2022 Nordson Corporation...
  • Page 12: Gun Module Components And Operation

    The spray gun consists of a Quattro manifold and four gun modules, each with a fluid/air/ mounting manifold. This sectional view shows the main components of the gun modules. 0.016-0.023 in. Figure 4 A7A Quattro Modular Spray Guns 1. Air cylinder 5. Packing cartridge 8.
  • Page 13: Installation

    A7A Quattro Modular Automatic Spray Gun Installation WARNING: Allow only qualified personnel to perform the following tasks. Follow the safety instructions in this document and all other related documentation. Figure 5 shows the fluid and air system for one color of coating material in a typical installation.
  • Page 14: Trigger Air Connection

    10 A7A Quattro Modular Automatic Spray Gun Trigger Air Connection Connect 1/8-inch tubing from a solenoid valve to the trigger air fitting on the manifold. For applications faster than 600 cycles per minute, install the optional quick-exhaust valve at the air inlet. To do this, remove the air fitting and install a 1/4-in. NPT nipple in the manifold, then install the quick-exhaust valve on the nipple, and the air fitting in the quick-exhaust valve.
  • Page 15: Troubleshooting

    These procedures cover only the most common problems. If you cannot solve the problem with the information given here, contact the Nordson Industrial Coating Systems Customer Support Center at (800) 433- 9319 or your local Nordson representative for help. Problem...
  • Page 16: Spray Gun Repair

    12 A7A Quattro Modular Automatic Spray Gun Spray Gun Repair WARNING: Shut off the fluid pump and relieve the system fluid pressure before disconnecting the gun module from the spray gun. High pressure fluid is WARNING: Allow only qualified personnel to dangerous and can cause injection injuries.
  • Page 17 A7A Quattro Modular Automatic Spray Gun SERVICE NOTES Apply VC-3 thread-locking compound to threads before installing ball tip. Apply VC-3 thread-locking compound to threads before tightening. Apply pipe thread adhesive/ sealant (Loctite High Temp SS567 or equivalent ) to threads before installing.
  • Page 18: Parts

    14 A7A Quattro Modular Automatic Spray Gun Parts To order parts, call the Nordson Industrial Coating Systems Customer Support Center at (800) 433-9319 or contact your local Nordson representative. Item Part Description Quantity Note 1601975 GUN, A7A, Quattro, stainless steel, LBS 981140 •...
  • Page 19 A7A Quattro Modular Automatic Spray Gun Figure 7 A7A Quattro Gun Parts 1602111-03 © 2022 Nordson Corporation...
  • Page 20: Options

    16 A7A Quattro Modular Automatic Spray Gun Options Part Description Note 159146 Mounting bar, gun, universal 46-cm (18-in.) 901262 Quick exhaust valve 973000 Nipple, steel, schedule 40, 1/8 in. NPT, 0.75 in. long NOTE: A. Use to install quick-exhaust valve.
  • Page 21: Options

    A7A Quattro Modular Automatic Spray Gun Options Part Description Note 159146 Mounting bar, gun, universal 46-cm (18-in.) 901262 Quick exhaust valve 973000 Nipple, steel, schedule 40, 1/8 in. NPT, 0.75 in. long NOTE: A. Use to install quick-exhaust valve. Service Kits...
  • Page 22 18 A7A Quattro Modular Automatic Spray Gun 1602111-03 © 2022 Nordson Corporation...
  • Page 23 Automatic Airless Spray Applicators, A7A Models : A7A Quattro Modular, A7A Dual Modular, A7A Single Modular, A7A Extended Lancing with Spray Monitor Port, Standard A7A with Spray Monitor Port This Declaration is issued under the sole responsibility of the manufacture.
  • Page 24 Automatic Airless Spray Applicators, A7A Models : A7A Quattro Modular, A7A Dual Modular, A7A Single Modular, A7A Extended Lancing with Spray Monitor Port, Standard A7A 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.

Table of Contents