Nordson AN-8 Plus Guida di riferimento
Model AN-8 Plus Manual
Electrostatic Air Spray Gun
Customer Product Manual
Part 107 962H
NORDSON CORPORATION DAMHERST, OHIO DUSA
E1999 Nordson Corporation
All rights reserved
107 962H
Issued 11/99
Manual 21-19
Nordson Corporation welcomes requests for information, comments and inquiries about its products. General
information about Nordson can be found on the Internet using the following address: http://www.nordson.com.
Address all correspondence to:
Nordson Corporation
Attn: Customer Service
555 Jackson Street
Amherst, OH 44001
Notice
This is a Nordson Corporation publication which is protected by copyright. Original copyright date 1991. No part of
this document may be photocopied, reproduced, or translated to another language without the prior written consent
of Nordson Corporation. The information contained in this publication is subject to change without notice.
Trademarks
Blue Box, Can Works, Century, CleanSleeve, CleanSpray, Control Coat, Cross-Cut, Easy Coat, Econo-Coat, Excel
2000, Flow Sentry, FoamMix, Horizon, Hot Shot, Isocoil, Isocore, Iso-Flo, MEG, Nordson, the Nordson logo,
Package of Values, PowderGrid, Pro-Flo, PRX, RBX, Ready Coat, Rhino, SCF, Select Coat, Select Cure, Shur-Lok,
Smart-Coat, System Sentry, Tribomatic, Versa-Coat, Versa-Screen, and Versa-Spray
are registered trademarks of Nordson Corporation.
Accu-Jet, Auto-Flo, CanNeck, Clean Coat, CPX, EasyClean, Ink-Dot, OptiMix, PowderGrid, Pulse-Spray, Sure
Coat, Swirlcoat and Walcom are trademarks of Nordson Corporation.
Parker Lubricant is a registered trademark of Parker Seal.
Table of Contents i
E1999 Nordson Corporation
All rights reserved 107 962H
Issued 11/99
Manual 21-19
Table of Contents
1. Introduction 1-1...............................................
2. Qualified Personnel 1-1.......................................
3. Intended Use 1-1.............................................
4. Regulations and Approvals 1-1.................................
5. Personal Safety 1-2...........................................
High-Pressure Fluids 1-3....................................
6. Fire Safety 1-4...............................................
Halogenated Hydrocarbon Solvent Hazards 1-5................
7. Action in the Event of a Malfunction 1-5..........................
8. Disposal 1-5.................................................
9. Safety Labels 1-7.............................................
1. Introduction 2-1...............................................
2. Options 2-2..................................................
3. Typical Heated Circulating System 2-3..........................
4. Theory of Operation 2-4.......................................
5. Equipment Certification 2-4....................................
1. Introduction 3-1...............................................
2. Installing the Electrostatic Cable 3-1............................
Installing the Cable to the Power Supply 3-1...................
Installing the Cable to the AN-8 Plus Gun 3-2..................
3. Installing the Gun 3-4.........................................
Installing the Tip Resistor, Fluid Tip, and Air Cap 3-4............
Installing the Air Flow Switch, Hoses, and Fittings 3-5...........
4. Securing the Hoses and Gun 3-6...............................
5. Checking the Gun After Installation 3-7..........................
Section 1
Safety
Section 2
Description
Section 3
Installation
Table of Contents
ii
E1999 Nordson Corporation
All rights reserved
107 962H
Issued 11/99
Manual 21-19
6. Converting the Gun for Waterborne Coatings 3-7.................
7. Installing a New Extension Resistor Kit and Cable 3-8............
8. Installing the Optional Miniature Isocoil 3-8.......................
1. Daily 4-1.....................................................
1. Introduction 5-1...............................................
2. Cable and Electrostatic System Maintenance 5-1.................
3. Gun Maintenance 5-2.........................................
1. Introduction 6-1...............................................
2. Mechanical Problems 6-2......................................
3. Electrostatic Problems 6-3.....................................
1. Introduction 7-1...............................................
2. Applying Dielectric Grease 7-1.................................
3. Disassembling the Gun 7-3....................................
Preparation 7-3............................................
External Parts 7-3..........................................
Internal Parts 7-4...........................................
4. Replacing the Extension Resistor Service Kit and Cable 7-7........
5. Replacing the Resistor Only 7-8................................
6. Replacing Parts and Cleaning the Gun 7-9.......................
7. Assembling the Gun 7-10......................................
Internal Parts 7-10..........................................
External Parts 7-11.........................................
Final Assembly and Adjustments 7-12.........................
Section 3
Installation (contd)
Section 4
Operation
Section 5
Maintenance
Section 6
Troubleshooting
Section 7
Repair
Table of Contents iii
E1999 Nordson Corporation
All rights reserved 107 962H
Issued 11/99
Manual 21-19
1. Introduction 8-1...............................................
Using the Illustrated Parts List 8-1............................
2. Gun Assembly 8-2............................................
3. Recommended Spare Parts 8-5................................
4. Service Kits 8-5..............................................
Resistor Service Kit 8-5.....................................
Air Valve Service Kit 8-6.....................................
Trigger Stop Adjustment Service Kit 8-6.......................
Handle Replacement Kit 8-7.................................
Extension Service Kit 8-8....................................
AN-8 Plus Electrostatic Cables 8-8...........................
Cable Cleaning Service Kit 8-8...............................
5. Optional Isocoils 8-9..........................................
AN-8 Plus Miniature Isocoils 8-9..............................
High-Conductivity Isocoil 8-10................................
1. Introduction 9-1...............................................
Dimensions 9-1............................................
Operating Pressures 9-1....................................
Electrical Ratings 9-1.......................................
Air Quality 9-2.............................................
Fittings 9-2................................................
Resistance Values 9-2......................................
Section 8
Parts
Section 9
Specifications
Table of Contents
iv
E1999 Nordson Corporation
All rights reserved
107 962H
Issued 11/99
Manual 21-19
E1998 Nordson Corporation
All rights reserved Issued 10/98
S1EN−03−[SF−LECAP]−7
Section 1
Safety
Safety
1-0
E1998 Nordson Corporation
All rights reserved
Issued 10/98
S1EN−03−[SF−LECAP]−7
Safety 1-1
E1998 Nordson Corporation
All rights reserved Issued 10/98
S1EN−03−[SF−LECAP]−7
Section 1
Safety
Read and follow these safety instructions. Task- and equipment-specific
warnings, cautions, and instructions are included in equipment
documentation where appropriate.
Make sure all equipment documentation, including these instructions, is
accessible to persons operating or servicing equipment.
Equipment owners are responsible for making sure that Nordson
equipment is installed, operated, and serviced by qualified personnel.
Qualified personnel are those employees or contractors who are trained
to safely perform their assigned tasks. They are familiar with all relevant
safety rules and regulations and are physically capable of performing
their assigned tasks.
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
Susing incompatible materials
Smaking unauthorized modifications
Sremoving or bypassing safety guards or interlocks
Susing incompatible or damaged parts
Susing unapproved auxiliary equipment
Soperating equipment in excess of maximum ratings
Make sure all equipment is rated and approved for the environment in
which it is used. Any approvals obtained for Nordson equipment will be
voided if instructions for installation, operation, and service are not
followed.
1. Introduction
2. Qualified Personnel
3. Intended Use
4. Regulations and
Approvals
Safety
1-2
E1998 Nordson Corporation
All rights reserved
Issued 10/98
S1EN−03−[SF−LECAP]−7
To prevent injury follow these instructions.
SDo not operate or service equipment unless you are qualified.
SDo 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.
SKeep clear of moving equipment. Before adjusting or servicing
moving equipment, shut off the power supply and wait until the
equipment comes to a complete stop. Lock out power and secure the
equipment to prevent unexpected movement.
SRelieve (bleed off) hydraulic and pneumatic pressure before adjusting
or servicing pressurized systems or components. Disconnect, lock
out, and tag switches before servicing electrical equipment.
SWhile operating manual spray guns, make sure you are grounded.
Wear electrically conductive gloves or a grounding strap connected to
the gun handle or other true earth ground. Do not wear or carry
metallic objects such as jewelry or tools.
SIf you receive even a slight electrical shock, shut down all electrical or
electrostatic equipment immediately. Do not restart the equipment
until the problem has been identified and corrected.
SObtain and read Material Safety Data Sheets (MSDS) for all materials
used. Follow the manufacturer’s instructions for safe handling and
use of materials, and use recommended personal protection devices.
SMake sure the spray area is adequately ventilated.
STo prevent injury, be aware of less-obvious dangers in the workplace
that often cannot be completely eliminated, such as hot surfaces,
sharp edges, energized electrical circuits, and moving parts that
cannot be enclosed or otherwise guarded for practical reasons.
5. Personal Safety
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