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

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

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

E1999 Nordson Corporation

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

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

E1999 Nordson Corporation

107 962H

Issued 11/99

Manual 21-19

E1998 Nordson Corporation

S1EN−03−[SF−LECAP]−7

Section 1

Safety

1-0

E1998 Nordson Corporation

Issued 10/98

S1EN−03−[SF−LECAP]−7

Safety 1-1

E1998 Nordson Corporation

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

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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