Nordson FoamMelt 200 User manual

FoamMelt200
Processor
  
 
 
NORDSON CORPORATION DULUTH, GEORGIA USA
www.nordson.com

2015 Nordson Corporation
All rights reserved
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 
Manual
    ! !"    #  $ %
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Notice
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  ! &  2 # &" "    & '' & &  
4!  $ 1& !   & #  #5  &' & $
Trademarks
AccuJet, AeroCharge, Apogee, AquaGuard, Asymtek, Automove, Baitgun, Blue Box, CanWorks, Century, CF, Clean Coat, CleanSleeve, CleanSpray, ColorMax,
Control Coat, Coolwave, Cross-Cut, Cyclo-Kinetic, Dispensejet, DispenseMate, DuraBlue, Durafiber, Dura-Screen, Durasystem, Easy Coat, Easymove Plus, Ecodry,
Econo-Coat, e.dot, EFD, ETI, e.Stylized, Excel 2000, Fillmaster, FlexiCoat, Flexi-Spray, Flex-O-Coat, Flow Sentry, Fluidmove, FoamMelt, FoamMix, Heli-flow, Helix,
Horizon, Hot Shot, iControl, iFlow, Isocoil, Isocore, Iso-Flo, iTRAX, Kinetix, Little Squirt, Magnastatic, March, MEG, Meltex, Microcoat, Micromark, MicroSet, Millennium,
Mini Squirt, Mountaingate, MultiScan, Nordson, OptiMix, Package of Values, Pattern View, PermaFlo, Plasmod, Porous Coat, PowderGrid, Powderware, Printplus,
Prism, ProBlue, Pro-Flo, ProLink, Pro-Meter, Pro-Stream, RBX, Rhino, Saturn, Scoreguard, Seal Sentry, Select Charge, Select Coat, Select Cure, Slautterback,
Smart-Coat, Solder Plus, Spectrum, Speed-Coat, SureBead, Sure Clean, Sure Coat, Sure-Max, Tracking Plus, Trends, Tribomatic, Ultrasaver, UpTime, Veritec,
VersaBlue, Versa-Coat, Versa-Screen, Versa-Spray, Walcom, Watermark, and
When you expect more. are registered trademarks of Nordson Corporation.
Accubar, Advanced Plasma Systems, AeroDeck, AeroWash, AquaCure, ATS, Auto-Flo, AutoScan, Blue Series, Check Mate, Classicblue, Controlled Fiberization,
Control Weave, CPX, DispensLink, Dry Cure, DuraBraid, DuraCoat, DuraDrum, DuraPail, Easy Clean, EasyOn, Eclipse, E-Nordson, EquiBead, ESP, Fill Sentry,
G−Net, G−Site, HDLV, iON, Iso-Flex, iTrend, Lacquer Cure, Lean Cell, Logicomm, Maverick, Maxima, MicroFin, MicroMax, MiniBlue, Minimeter, Multifil, Myritex,
OptiStroke, PatternPro, PCI, Powder Pilot, Powercure, Primarc, Process Sentry, Prodigy, Pulse Spray, Quad Cure, Ready Coat, Royal Blue, Select Series, Sensomatic,
Shaftshield, SheetAire, Smart, SolidBlue, Spectral, Spectronic, SpeedKing, Spray Works, Summit, Sure Brand, SureSeal, Sure Wrap, Swirl Coat, Tempus, ThruWave,
Trade Plus, Trak, TrueBlue, Ultra, Ultrasmart, Universal, Vantage, Vista, Web Cure, and 2 Rings (Design) are trademarks of Nordson Corporation.
Designations and trademarks stated in this document may be brands that, when used by third parties for their own purposes,
could lead to violation of the owners’ rights.
67   ' . ! $ )$ ' 
8 is a registered trademark of / / 9$ -$-$$

Table of Contents i
E2015 Nordson Corporation
All rights reserved 321222_06
Issued 04/2015
Manual
Table of Contents
1. Operate Safely A 1-1..........................................
2. Safety Symbols A 1-2.........................................
3. Qualified Personnel A 1-3.....................................
4. Intended Use A 1-3...........................................
5. Installation and Electrical Connections A 1-4.....................
6. Operation A 1-4..............................................
Less-Obvious Dangers A 1-5................................
Action in the Event of Unit Malfunction A 1-5...................
Danger of Burns A 1-6......................................
7. Maintenance/Repair A 1-6.....................................
8. Cleaning A 1-7...............................................
9. Thermoplastic Hot Melt Material A 1-8...........................
10. Equipment and Material Disposal A 1-8..........................
1. Introduction A 2-1.............................................
Overview A 2-1............................................
Compatible Adhesives A 2-1.................................
Compatible Equipment A 2-2................................
Dispense Guns A 2-2.....................................
Hoses A 2-2.............................................
2. System Components A 2-3....................................
Controls A 2-3.............................................
Tank and Drive Assembly A 2-4..............................
Manifold Assembly A 2-5....................................
3. Operating Modes A 2-6........................................
Startup Mode A 2-6.........................................
Operating Mode A 2-6......................................
Standby Mode A 2-6........................................
Section A 1
Safety
Section A 2
Description

Table of Contents
ii
E2015 Nordson Corporation
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321222_06
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Manual
4. Control Assembly Boards A 2-6................................
Unit-Specific Boards A 2-8...................................
Optional Input/Output Board A 2-9............................
5. Vista Control Panel A 2-11.....................................
Features A 2-11............................................
Functional Areas A 2-12.....................................
System Status Area A 2-13..................................
FAULT Indicator A 2-13...................................
READY Indicator A 2-13..................................
Displays Area A 2-14.......................................
System Setup Area A 2-15..................................
System Controls Area A 2-17................................
6. Pump Speed/System Pressure Control Panel A 2-20..............
7. Gas Control Panel A 2-20......................................
8. Theory of Operation A 2-22....................................
Melting Stage A 2-22.......................................
Mixing Stage A 2-22........................................
Gas Modulation A 2-23...................................
Holding/Discharging Stage A 2-23............................
1. Introduction A 3-1.............................................
2. Unpacking A 3-1..............................................
3. Inspection A 3-1..............................................
4. Installation Requirements A 3-1................................
Location A 3-2.............................................
Wiring A 3-2...............................................
Hose/Gun Power A 3-2.....................................
5. Mounting A 3-3...............................................
6. Hoses A 3-4.................................................
Supply Hoses A 3-4........................................
Jumper Hoses Between Automatic Guns A 3-6.................
Return Hoses A 3-6........................................
7. Gas Supply Connection A 3-7..................................
Section A 2
Description (contd)
Section A 3
Installation

Table of Contents iii
E2015 Nordson Corporation
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Manual
8. Electrical Connections A 3-8...................................
Opening the Electrical Enclosure A 3-8........................
Strain Relief Installation A 3-10...............................
Main Electrical Service A 3-10...............................
Output Contact Connection (Optional) A 3-14..................
Standard Outputs A 3-14..................................
Optional Input/Output Board A 3-17........................
1. Introduction A 4-1.............................................
2. System Settings A 4-4.........................................
3. I/O Board Features A 4-7......................................
4. Temperature Controls A 4-8....................................
Programming Guidelines A 4-9...............................
Temperature Programming Shortcuts A 4-10...................
Individual Zones A 4-10.....................................
All Zones A 4-12...........................................
5. Clock Controls A 4-13.........................................
Setting the Clock A 4-13.....................................
Standby and Heater Times A 4-15............................
Setting Standby and Heater Times A 4-16...................
Deleting Standby and Heater Times A 4-17..................
Deleting an Entire Day A 4-17.............................
Example of Seven-Day Clock Use A 4-18.....................
6. Configuration Charts A 4-19....................................
Setpoint (Operating) Temperatures A 4-19.....................
Standby Temperatures A 4-20...............................
Heaters On/Off Times A 4-21................................
Standby Enter/Exit Times A 4-22.............................
Customized System Settings A 4-23..........................
System Fault Log A 4-24....................................
System Warning Log A 4-25.................................
Section A 4
Configuration

Table of Contents
iv
E2015 Nordson Corporation
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321222_06
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Manual
1. Introduction A 5-1.............................................
2. Temperature Control Setup A 5-1...............................
Seven-Day Clock A 5-2.....................................
Standby Mode A 5-3........................................
Entering Standby Mode A 5-3.............................
Exiting Standby Mode A 5-3...............................
3. Startup A 5-4.................................................
Automatic A 5-4............................................
Manual A 5-4..............................................
4. Pump Speed Adjustment A 5-6.................................
5. Pump Charts A 5-7...........................................
Pump Speed A 5-7.........................................
Viscosity A 5-8.............................................
Density Reduction A 5-8....................................
Circulation to Output Ratio A 5-8.............................
6. Density Control Adjustment A 5-9...............................
Taking a Hot Melt Sample A 5-9..............................
Taking a Foam Sample A 5-10...............................
Density Determination and Reduction A 5-11..................
7. System Pressure Adjustment A 5-13............................
Changing System Pressure A 5-13...........................
8. System Monitoring A 5-14.....................................
Zone Temperatures A 5-14..................................
System Settings A 5-14.....................................
Fault Log A 5-15...........................................
Running a System Test A 5-16...............................
9. Changing Adhesives A 5-16....................................
System Flush A 5-18........................................
10. Shutdown A 5-20.............................................
Automatic Shutdown A 5-20.................................
Manual Shutdown A 5-20....................................
Section A 5
Operation

Table of Contents v
E2015 Nordson Corporation
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Manual
1. Introduction A 6-1.............................................
2. System Preparation A 6-1.....................................
Relieving System Pressure A 6-2.............................
Resuming Normal Operation A 6-4...........................
3. Preventive Maintenance Schedule A 6-5.........................
4. Checking Heater Operation Time A 6-6..........................
5. Flushing the Filter Assembly A 6-6..............................
6. Checking the Hydraulic, Gas, and Electrical Connections A 6-7.....
7. Checking and Cleaning the Filter Assembly A 6-7.................
Density Controller and Filter Removal A 6-7...................
Filter Assembly Inspection A 6-10............................
Filter Screen Cleaning and Replacement A 6-11................
Density Controller and Filter Installation A 6-12.................
8. Testing the Pressure Relief Valve A 6-13.........................
9. Flushing the System A 6-14....................................
Pumping Out Old Material A 6-14.............................
Adding New Material A 6-14.................................
10. Checking the Drive Belt A 6-15.................................
11. Maintenance Record A 6-16...................................
1. Introduction A 7-1.............................................
2. Mechanical A 7-1.............................................
3. Pump Outlet Pressure A 7-3...................................
4. I/O Board A 7-4..............................................
5. Wiring Diagrams A 8-1........................................
1. Introduction A 9-1.............................................
2. Hydraulic Repair Guidelines A 9-1..............................
Preparation A 9-1..........................................
Quick-Disconnect Fittings A 9-2..............................
3. Drive Assembly A 9-2.........................................
Preparation A 9-2..........................................
Drive Belt Replacement A 9-2................................
Drive Assembly Removal A 9-4..............................
Removing the Pulleys A 9-4...............................
Removing the Drive Assembly A 9-5.......................
Section A 6
Maintenance
Section A 7
Troubleshooting
Section A 8
Wiring Diagrams
Section A 9
Repair

Table of Contents
vi
E2015 Nordson Corporation
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321222_06
Issued 04/2015
Manual
Drive Shaft Face Seal Replacement A 9-6.....................
Drive Assembly Installation A 9-8.............................
Installing the Alignment Plate A 9-8........................
Installing the Drive Assembly A 9-9.........................
Motor and Motor Plate Installation A 9-10......................
Motor Plate A 9-10.......................................
Motor A 9-10............................................
Pulley Installation and Alignment A 9-11.......................
4. Pressure Control Valve A 9-12..................................
Replacing the Pressure Control Valve A 9-12..................
Rebuilding the Pressure Control Valve A 9-14..................
Preparation A 9-14.......................................
Disassembly A 9-14......................................
Cleaning and Inspection A 9-16............................
Assembly A 9-16.........................................
5. Density Controller Rebuild A 9-17...............................
6. Pressure Relief Valve Replacement A 9-18.......................
7. Drain Valve Replacement A 9-20...............................
8. Hose Connector O-ring Replacement A 9-21.....................
9. Gas Repair A 9-23............................................
Preparation A 9-23.........................................
Gas Pressure Control Panel A 9-24...........................
Removal A 9-24.........................................
Installation A 9-24........................................
Gas Pressure Regulator Replacement A 9-25..................
Gas Pressure Gauge Replacement A 9-26....................
Reedex Valve Replacement A 9-27...........................
Gas Pressure Switch Replacement A 9-27.....................
Gas Pressure Check Valve Replacement A 9-28...............
Pressure Transducer Assembly Replacement A 9-28...........
Removal A 9-29.........................................
Installation A 9-30........................................
10. I/O Board Replacement A 9-30.................................
Section A 9
Repair (contd)

Table of Contents vii
E2015 Nordson Corporation
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Issued 04/2015
Manual
1. Introduction A 10-1............................................
Using the Illustrated Parts List A 10-1.........................
2. Applicators A 10-2............................................
3. Applicator Assembly A 10-2....................................
Enclosure Components A 10-2...............................
Motor Components A 10-4...................................
Electrical Components A 10-6................................
Base Components A 10-8...................................
Pressure Control Valve A 10-10............................
Density Controller/Filter Assembly A 10-11..................
4. Base Module A 10-13.........................................
5. Electrical Panel Assembly A 10-15..............................
6. Control Panel Assembly A 10-19................................
7. Gas Panel Assembly A 10-20..................................
FM 200 Accessories A 10-22.................................
Kalrez Brand Assemblies and O-Rings A 10-23................
Hose/Gun Test Plugs A 10-23................................
8. Available Service Kits A 10-24..................................
Standard Pump Service Kits A 10-24..........................
Pump A 10-24...........................................
Manifold A 10-24.........................................
Coupling A 10-24........................................
HO Pump Service Kits A 10-25...............................
Pump A 10-25...........................................
Manifold A 10-25.........................................
Coupling A 10-25........................................
Vista Controller Service Kits A 10-25..........................
Heated Manifold Service Kit A 10-26..........................
Heatsink Service Kit A 10-26.................................
Reservoir, Grid, and Hopper Service Kit A 10-27................
RTD and Thermostat Kits A 10-27............................
9. Recommended Spare Parts A 10-28............................
10. O-rings A 10-29..............................................
11. Miscellaneous A 10-29........................................
Section A 10
Parts

Table of Contents
viii
E2015 Nordson Corporation
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321222_06
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Manual
12. Optional Parts and Equipment A 10-30..........................
Gun Installation Kit A 10-30..................................
Hose Installation Kit A 10-30.................................
Extension Cords A 10-30....................................
Hose Fittings for 5/8 in. Hoses A 10-30........................
1. Introduction A 11-1............................................
2. System Specifications A 11-1..................................
3. Dimensions A 11-3............................................
4. Pump Charts A 11-5..........................................
Pump Speed A 11-5........................................
Viscosity A 11-6............................................
Density Reduction A 11-6...................................
Circulation to Output Ratio A 11-6............................
1. Introduction B 1-1.............................................
2. Electrical Safety During Troubleshooting B 1-1...................
3. Troubleshooting Tables B 1-2..................................
Internal, Hose, or Gun Zone Not Heating Table B 1-2...........
Settings Changed or Lost B 1-2..............................
Processor Not Powering On B 1-3............................
Control System Indicating a Warning or Fault B 1-5.............
4. Troubleshooting Procedures B 1-8..............................
Checking the POWER Switch B 1-8..........................
Checking the Voltage Plug and Contactor Board Harness B 1-9..
Checking a Heater or Heater Circuit B 1-10....................
Checking a Thermostat B 1-11...............................
Troubleshooting Under-Temperature Conditions B 1-13.........
Intermittent Under-Temperature B 1-13.....................
Contact Checks B 1-14...................................
Troubleshooting Over-Temperature Conditions B 1-15...........
Checking an RTD or RTD Circuit B 1-16.......................
Troubleshooting the I/O Board B 1-20.........................
Section A 10
Parts (contd)
Section A 11
Specifications
Section B 1
Temperature Control
Troubleshooting

Table of Contents ix
E2015 Nordson Corporation
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Issued 04/2015
Manual
1. Introduction B 2-1.............................................
2. Replacing a Fuse B 2-1.......................................
3. Control Assembly Board Replacement B 2-6.....................
Preparation B 2-6..........................................
Power Board B 2-6.........................................
Removal B 2-6..........................................
Installation B 2-8.........................................
Control Board B 2-9........................................
Removal B 2-9..........................................
Installation B 2-10........................................
Display Board B 2-12.......................................
Removal B 2-12.........................................
Installation B 2-12........................................
System Restoration B 2-12..................................
4. Operator Panel Replacement B 2-13............................
Removal B 2-13............................................
Installation B 2-14..........................................
5. Control Assembly Replacement B 2-15..........................
Removal B 2-15............................................
Installation B 2-16..........................................
6. Unit-Specific Board Replacement B 2-17........................
7. RTD or Thermostat Replacement B 2-17........................
Removal B 2-17............................................
Installation B 2-19..........................................
1. FM200 Temperature Control B 3-1..............................
2. I/O Board B 3-3..............................................
3. Circuit Boards and Fuses B 3-4................................
4. Software Upgrades B 3-4......................................
1. Introduction C 1-1.............................................
2. Preparation C 1-1.............................................
3. Manifold and Pump Removal C 1-2.............................
4. Pump or Pump O-ring Replacement C 1-4.......................
Removal C 1-4.............................................
Installation C 1-4...........................................
Section B 2
Temperature Control Repair
Section B 3
Temperature Control Parts
Section C 1
Tank Repair

Table of Contents
x
E2015 Nordson Corporation
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321222_06
Issued 04/2015
Manual
5. Enclosure Removal C 1-6......................................
6. Tank Removal C 1-9..........................................
7. Tank Disassembly C 1-11......................................
Hopper Removal C 1-11.....................................
Grid Disassembly C 1-12....................................
8. Tank Assembly Installation C 1-13..............................
Reservoir and Manifold Installation C 1-13.....................
Grid Installation C 1-14......................................
Hopper Installation C 1-15...................................
9. Final Assembly C 1-16........................................
1. Tank Assembly C 2-1..........................................
2. Manifold Assembly C 2-4......................................
3. Drive Assembly C 2-6.........................................
Section C 1
Tank Repair (contd)
Section C 2
Tank Parts
Declaration of Conformity

E2015 Nordson Corporation
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Issued 04/2015
A1EN−02−[XX−SAFE]−1
Part A, Section 1
Safety

Safety
A 1-0
E2015 Nordson Corporation
All rights reserved
321222_06
Issued 04/2015
A1EN−02−[XX−SAFE]−1

Safety A 1-1
E2015 Nordson Corporation
All rights reserved 321222_06
Issued 04/2015
A1EN−02−[XX−SAFE]−1
Section A 1
Safety
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. It 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:
SRead and become familiar with this Safety section prior to installing,
operating, maintaining, or repairing the unit.
SRead and follow the warnings which appear within the text and are
related to specific tasks.
SStore this document within easy reach of personnel operating or
maintaining the unit.
SWear personal protective equipment and clothing such as safety
goggles and gloves.
SFamiliarize yourself with and follow all safety instructions prescribed
by your company, general accident-prevention regulations, and
government safety regulations.
1. Operate Safely

Safety
A 1-2
E2015 Nordson Corporation
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321222_06
Issued 04/2015
A1EN−02−[XX−SAFE]−1
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: Hot! 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.
2. Safety Symbols

Safety A 1-3
E2015 Nordson Corporation
All rights reserved 321222_06
Issued 04/2015
A1EN−02−[XX−SAFE]−1
“Qualified personnel” is defined here as individuals who thoroughly
understand the equipment and its safe operation, maintenance, and
repair. Qualified personnel are physically capable of performing the
required tasks, familiar with all relevant safety rules and regulations, and
have been trained to safely install, operate, maintain, and/or repair the
equipment. It is the responsibility of the company operating the
equipment to see that its personnel meet these requirements.
The unit is designed and intended to be used only for the purpose
described in the Description section. Uses not in accordance with that
section or as described in this document are considered unintended uses
and not in accordance with governing regulations.
WARNING: Use of this equipment in ways other than
described in this document may result in personal injury, death,
or equipment damage.
The following actions of the owner or operator of the unit are some, but
not all, examples of unintended use which would permit Nordson to claim
it is not responsible for personal injury or property damage arising from
such unintended use:
SUnapproved modifications or changes to the unit
SFailure to comply with the safety instructions
SFailure to comply with instructions concerning installation, use,
operation, maintenance, or repair, or when these tasks are carried out
by unqualified personnel
SUse of inappropriate or incompatible foreign materials or auxiliary
equipment
SFailure to observe workplace safety rules or regulations issued by
government authorities or safety councils
3. Qualified Personnel
4. Intended Use

Safety
A 1-4
E2015 Nordson Corporation
All rights reserved
321222_06
Issued 04/2015
A1EN−02−[XX−SAFE]−1
WARNING: Failure to follow the safety procedures can result in
injury or death.
SAll electrical, pneumatic, gas, and hydraulic connections and
installations of hot melt equipment may only be carried out by
qualified personnel. Be sure to observe installation instructions for
components and accessories.
SEquipment must be properly grounded and fused according to its
rated current consumption (see ID plate).
SCables which run outside the unit must regularly be checked for wear
or damage.
SPower supply wire gauge and insulation must be sufficient to handle
rated current consumption.
SCables must never be squeezed or pinched. Do not locate cables or
hoses in high traffic areas.
The unit should be operated by qualified personnel in accordance with
the instructions presented in this document.
WARNING: Failure to follow the safety procedures can result in
injury or death.
SNever allow the unit to be operated by personnel under the influence
of substances which reduce their reaction times, or who are not able
to operate the equipment for physical reasons.
SPrior to each start-up of the unit, check protection and warning
devices and make sure they are fully functional. Do not operate the
unit if these devices are not functioning properly.
SWhen the removal of safety equipment is required for installation,
maintenance, or repair of the unit, it must be re-connected
immediately upon completion of the work.
SPrior to start-up of the unit, check to make sure all safety guards and
safety equipment are in place and functioning properly.
5. Installation and
Electrical Connections
6. Operation

Safety A 1-5
E2015 Nordson Corporation
All rights reserved 321222_06
Issued 04/2015
A1EN−02−[XX−SAFE]−1
SIn a humid environment, only equipment featuring a corresponding
class of protection may be operated.
SDo not operate the unit in an explosive environment.
SKeep parts of the body or clothing away from rotating parts. Do not
wear loose articles of clothing when operating or servicing units with
rotating parts. Take off wrist watches, rings, necklaces, or similar
pieces of jewelry and pin up or cover long hair before performing any
work on or with the unit.
STo carry out measurements on work pieces, switch off the unit and
wait until it comes to a standstill.
SNever point hand guns or applicator nozzles at yourself or other
persons.
WARNING: An operator or service technician working with the
unit should be aware of less-obvious dangers that often cannot
be completely minimized at production sites:
SExposed surfaces of the unit which cannot be practically
safeguarded. They may be hot and take time to cool after the unit
has been operating.
SThe possibility that electrical potentials may remain in the unit after
the unit was de-energized
SHot melt material and vapors
SHydraulically or pneumatically operated parts of the unit
SParts winding something up or down which are not covered
If the unit malfunctions, switch it off immediately.
STurn the circuit breaker or main power switch OFF.
SHave the unit repaired by qualified personnel only.
Less-Obvious Dangers
Action in the Event of Unit
Malfunction

Safety
A 1-6
E2015 Nordson Corporation
All rights reserved
321222_06
Issued 04/2015
A1EN−02−[XX−SAFE]−1
Contact with hot melt materials or hot areas of the unit may produce a
severe skin burn.
WARNING: Hot! Risk of burns. Wear heat-protective clothing,
safety goggles, and/or heat-protective gloves depending on the
symbols shown.
SBe extremely careful when using hot melt material. Even solidified
material may still be very hot.
SAlways wear protective clothing which safely covers all exposed parts
of the body.
In case of burns:
SImmediately cool affected skin areas using cold, clean water.
SDo not forcefully remove hot melt material from the skin.
SImmediately seek medical attention.
Allow only qualified personnel to perform the procedures described in this
document. When performing such tasks, wear protective clothing, and
equipment.
WARNING: Even when the circuit breaker or main power
switch is OFF, the unit is still electrically energized. Complete
the following steps prior to maintenance or repair:
SDisconnect, lock out, and tag external power supply.
STo ensure the external power supply is disconnected, attempt to
operate the unit. If the unit does not energize, proceed with
maintenance or repair work.
SIf the unit energizes, repeat the disconnect, lock out, and tag
procedure. Re-test the unit.
Danger of Burns
7. Maintenance/Repair