Nordson AD-31 Series User manual

,'4,'
Series AD-31
Extrusion Handgun
Part 107 1058
t.
Nordson"
NORDSON CORPORATION o AMHERST, OHIO o USA

Nordson Corporation welcomes requests for inlormation, comments and inquiries about its products.
Address all correspondence to
Nordson Corporation
11475 Lakefield Drive
Duluth, GA30155-1511
Notice
This is a Nordson Corporation publication which is protected by copyright. Original copyright date 1995. 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
AquaGuard, Blue Box, Control Coat, Equi=Bead, FloMelt, FoamMelt, FoamMix, Helix, Hot Shot, Hot Stitch,
Meltex, MicroSet, MultiScan, Nordson, the Nordson logo, OmniScan, Porous Coat, Posi-Stop, BBX, Sure-Bond,
UniScan, UpTime, and Versa-Spray are registered trademarks of Nordson Corporation.
BetterBooksM, CF, Controlled Fibeilzation, Easy-Screen, Fibermelt, Flo-Tracker, PilntGuard, and Package of
Values are trademarks of Nordson Corporation.
olEN-01-[AD-31EX]-1 42-72
lssued 12195
@ 1995 Nordson Corporation
All dghts rsssrued

Table of Contents
Table of Gontents
Section 1
Safety
Section 2
Description
Operate Safely
Safety Symbols
Qualified Personnel
lntended Use ..
lnstallation and Electrical Connections
Operation
Less-obvious Dangers
Action in the Event of Unit Malfunction
Danger of Burns
Maintenance/Repair
Cleaning
Thermoplastic Hot Melt Material .... .
Equipment and Material Disposal
Polyurethane Reactive ('PUR") Hot Melt Material
1.
2.
3.
4.
5.
6.
.... 1-1
.... 1-2
.... 1-3
.... 1-3
7.
8.
9.
10
11
1-4
1-4
1-5
1-5
1-6
1-6
1-7
'l-8
1-8
1-8
2-1
2-2
2-2
2-3
1. lntroduction
Standard Features
Optional Features
Specifications ...
@ 1995 Nordson Corporation
All rights reserved 42-72
lssued 10/95 AoEN-01-[AD-31EX]-1

ii Table of Contents
Section 3
lnstallation lntroduction.
2. Unpacking and lnspection
3. Connecting the Handgun to the Hose .
Items Needed .. . .
Handgun to Hose Connection .....
4. ElectricalConnections
Connections for Specific Handgun Configurations . . .
Configuration A (RTD Style, Series 5000)
Items Needed .
Connecting the RTD Sensor
Connecting the Heater .....
Electrical Switch Connections (if applicable) . . . .
Configuration B (RTD-Style, Other Than Series 5000)
Items Needed
Connecting the RTD Sensor ..
Connecting the Heater
Electrical Switch Connections (if applicable) . . . .
Configuration C (Thermostat Style)
Items Needed
Connecting the Heater
Electrical Switch Connections (if applicable)
1. lntroduction
2. Preparation for First Operation ..
3. Startup.... .
4. Operation ..
5. Shutdown ..
. 3-1
. 3-1
. 3-1
3-1
3-2
3-4
3-4
3-4
3-4
3-4
3-6
3-7
3-8,
3-8
3-8
.3-13
3-1 0
3-1 0
3-11
3-11
3-11
4-1
4-1
4-2
4-3
4-4
t
Section 4
Operation
A0EN-01-[AD-31EXl-1 42-72
lssued 10/95 @ 1995 Nordson Corporation
All rights reserued

Table of Contents iii
Section 5
Maintenance lntroduction
2. Daily Maintenance
Items Needed ....
Daily Maintenance Procedure ... i..
3. Weekly Maintenance
Items Needed .l.
Nozzle Cleaning .
4. SemiannualMaintenance
Items Needed ... .
Semiannual Maintenance Procedure
1. lntroduction . .
5-1
5-2
5-2
5-2
5-2
5-2
5-3
5-5
5-5
5-5
6-1
7-1
7-1
7-1
7-2
7-4
7-4
7-4
7-6
7-6
7-7
Section 6
Troubleshooting
Section 7
Repair 1.
2.
3.
lntroduction
Replacing the RTD Sensor
Items Needed ... .
RTD Replacement
Replacing the Thermostatic Sensor
Items Needed . ...
Thermostat Replacement ......
4. Replacing the Heater Gartridge
Items Needed . ...
Heater Cartridge Replacement . . .
5. Replacing the Swivel Bearing
Items Needed ... .
Swivel Bearing Replacement
Configuration A (RTD Style, Series 5000)
Configuration B (AllOther RTD-Style Configurations) .
Configuration C (Thermostat Style)
Removing the Swivel Bearing
Reinstalling the Swivel Bearing
Making Electrical Connections
Configuration A (RTD Style, Series 5000)
Configuration B (All Other RTD-Style Configurations)
Configuration C (Thermostat Style)
. 7-9
. 7-9
7-10
7-12
7-12
7-13
7-15
. 7-17
.7-20
7:21
.. 7-21
.. 7-22
@ 1995 Nordson Corporation
All ,ights reserved 42-72
lssued 10/95 AoEN{1-[AD-31Exl-1

iv Table of Contents
Section 7
Repair (contd.) 6. Replacing the Packing Cartridge
Items Needed .... 7-23 7-23
7-23
7-29
7-29
7-29
7-31
7-31
7-31
7-34
7-34
7-37
7-39
7-39
7-40
7-42
7-44
7-44
7-45
7-46
7-46
8-1
8-1
8-2
8-6
8-10
8-14
8-18
8-1 8
8-19
8-19
8-20
7.
8.
Packing Cartridge Replacement
Adjusting the Trigger
Items Needed .. ..
Trigger Adjustment
Adjusting the Trigger's Electrical Switch
Items Needed ....
Section 8
Parts
Electrical Switch Adjustments
9. Replacing an Existing Gun
Relieving Hydraulic Pressure
Removing the Existing Handgun
Configuration A (RTD Style, Series 5000)
Configuration B (All Other RTD-Style Configurations)
Configuration C (Thermostat Style)
lnstalling the Replacement Handgun
Configuration A (RTD Style, Series 5000)
Configuration B (All Other RTD-Style Configurations) . . . . .
Configuration C (Thermostat Style)
Checking for Leaks
1. lntroduction
Using the lllustrated Parts List
AD-31 Extrusion Handgun Model K* Parts List ..
AD-31 Extrusion Handgun Models B and C* Parts List
AD-31 Extrusion Handgun Models A*, T, and TL Parts List . .
AD-31 Extrusion Handgun Models D*, L, E, and P Parts List .
2. Extrusion Nozzles . . .. .
Male Threaded Standard Engagement,
Small Ball Seat for Use with
Models A, C, D, E L, R T, and TL
Male Threaded Extended Engagement,
Small Ball Seat for Use with
Models A, C, D, E, L, P, T, and TL
Male Threaded Extended Engagement,
Large Ball Seat for Use with
Models B and K
3. Accessories
A0EN-o1-[AD-31EXl-1 42-72
lssued 10/95 o 1995 Nordson Corporation
All righls reserved

Section 1
Safety
@ 1995 Nordson Gorporation
All rights reserued 42-72
lssued 11/94 Al EN{2-[XX-SAFE]-2

1-0 Safety
AIEN-{,2-[XX-SAFE]-2 42-72
lssued 11/94 @ 1995 Nordson Corporation
All rights rsserved

Safety 1-1
Section 1
Safety
1. Operate Safely Safety instructions contained in this section and throughout this
document apply to tasks that may be performed with or on the unit.
Warnings related to specific safety concerns are included within the text
as appropriate. lt is very important that these safety instructions are
always followed. Failure to do so could result in personal injury and/or
damage to the unit or other equipment.
With this in mind, here are some basic safety recommendations:
Read and become familiar with this Safetysection prior to installing,
operating, maintaining, or repairing the unit.
Read and follow the warnings which appear within the text and are
related to specific tasks.
Store this document within easy reach of personnel operating or
maintaining the unit.
Wear personal protective equipment and clothing such as safety
goggles and gloves.
Familiarize yourself with and follow all safety instructions prescribed
by your company, general accident-prevention regulations, and
government safety regulations.
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@ 1995 Nordson Corporation
All rights reserved 42-72
lssued 11/94 AI EN{!2-[XX_SAFE]_2

1-2 Safety
2. Safety Symbols The following symbols are used to warn against dangers or possible
sources of danger. Become familiar with them! Failure to heed a
warning could lead to personal injury and/or damage to the unit or other
equipment.
WARNING: Failure to observe may result in personal injury,
death, or equipment damage.
WARNING: Risk of electrical shock. Failure to observe may
result in personal injury death, or equipment damage.
WARNING: Disconnect equipment from the line voltage.
WARNING: Hotl Risk of burns. Wear heat-protective clothing,
safety goggles, and/or heat-protective gloves depending on the
symbols shown.
WARNING: Risk of explosion or fire. Fire, open flames, and
smoking prohibited.
WARNING: System or material pressurized. Relieve pressure.
Failure to observe may result in serious burns.
CAUTION: Failure to observe may result in equipment
damage.
CAUTION: Hot surface. Failure to observe may result in
burns.
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AlEN-02-[XX-SAFE]-2 42-72
lssued'11/94 O 1995 Nordson CoDoration
All ,ights ressrued