Declaration of conformity The product: Model no.: Serial no.: Year of manufacture: Described in the enclosed documentation is in conformity with: Directive 2006/42/CE of 29 December 2009 replacing the Directive ➢ 98/37/EC of 22 June 1998 relating to the approximation of the laws of the Member States relating to machinery, combining in a single text Directives 89/392/EEC of 14 June 1989, 91/368/EEC of 20 June 1991, 93/44/EEC of June 14, 1993 and 93/68/EEC of 22 July 1993.
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CONTROL REGISTRATION CONTROL #: ..............DATE: ................ELECTRIC CHECK: CONTROL BOARD CHECK: TEMPERATURE CONTROL CHECK 150/180C: HYDRAULIC CHECK (100 bar): PNEUMATIC CHECK: APPLICATOR SERIAL NUMBER: GUARANTEE CARD DISTRIBUTOR:......................CONTACT:........................ADRESS:................TELEPHON....... OEM:..........................ADDRESS:........................TYPE:..........BRAND:..........MODEL:......USER:..........................CONTACT:........................
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IMPORTANT! THIS INSTRUCTION MANUAL SHOULD BE KEPT IN AN ACCESSIBLE PLACE KNOWN TO ALL OPERATORS AND MAINTENANCE PERSONNEL. READ THE INSTRUCTIONS CAREFULLY BEFORE OPERATING THE MACHINE AND FOLLOW THEM WHILE THE MACHINE IS IN OPERATION. FOLLOW THE SAFETY INSTRUCTIONS PROVIDED IN THIS MANUAL WHEN USING AND HANDLING THE MACHINE.
1.1. SYMBOLS AND TERMS: Miscellaneous European Community prohibitions markings Note of special interest Danger: hot surface Use of goggles required Miscellaneous precautions Use of safety gloves Precaution: electric required current Precaution: flammable liquid Precaution: risk of fluid leakage under high pressure Precaution: risk of entrapment between mobile parts...
Burns Burns can be caused by the uncovered parts of the applicator, such as the guns or by splashes of hot melt. The hot adhesive under pressure in the nozzles can cause serious injuries to the skin. Qualified personnel: This is personnel (technical staff) who have acquired sufficient know-how in a specific field, either through training or from experience.
1.2. PURPOSE: This unit has been manufactured according to current safety standards. This unit has been designed for the purpose described in chapter 2 of this manual, Description. To use the machine correctly, follow the instructions provided in the Operating Manual, particularly: ➢...
1.3. FIRST AID: In case of burns: Immerse affected part in cold clean water as quickly as possible until the adhesive has cooled. Do not attempt to remove the adhesive from the skin even when it has cooled as this may cause more serious injury. Seek qualified medical attention immediately.
2.2. MAIN PARTS: The main parts of the ISOMELT MINI equipment are shown on the following figure: External cover Electrical system...
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2.2.1. Baseframe: The base that supports the entire machine and where the manifold, the pump and the motor are stored. 2.2.2. Tank: This is where the hot-melt or other materials are melted; these materials may be in bulk form or in chunks. The tank is made of cast aluminium and is coated with Teflon to prevent soot and crystallisations.
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2.2.7. Pumping and Distribution System: It features the following components: Manifold: This manifold distributes the Hot Melt to the hoses and guns. Made of aluminium, it is assembled inside the bench. It heats up through internal resistors. The manifold features outlets to connect the hoses, a purging valve, a filter to remove impurities and a regulator.
2.3. TECHNICAL SPECIFICATIONS: COMPONENT DATA GENERAL Maximum Power supply 16080 W 220V +N+T ó III 220V+T (50/60 Hz), Power supply voltage ó III 380V+N+T (50-60Hz) Amperage 40A for 230V / 24A for 400V Hoses (max.) Hydraulic pressure 2.8 – 80 bar (40 – 1138 psi) Noise level 63 dB Net weight...
Unpack carefully to prevent damage to the machine. Inspect the machine for damages caused during transport. 3.3 INSTALLATION REQUIREMENTS: Install the ISOMELT MINI machine leaving enough space for it to be accessed during operations. Avoid extreme temperatures (below -10ºC and above +50ºC).
Apply a torque of 40 Nm. 2. Screw the hose to the connector. 3. Hook up the hose electrical connections. 4. Once the hose is at the right temperature, re-tighten the male connectors and the hose. ISOMELT MINI Fitting hose Electrical hose connection connection...
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3.4.1. HOSE POSITION: Never bend the hoses to angles with a radius of less than 150 mm. Hoses should not be secured to very broad, cold surfaces. MUS0920204 10/04/2024 MELTON, S.L.U. - POLIGONO INDUSTRIAL AGUSTINOS CALLE G-34,31160 ORCOYEN, NAVARRA TEL: 00 34 948 321580 Fax: 00 34 948 326584 e-mail: melton@melton.es http://www.valcomelton.com...
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Do not bunch hoses together. Leave at least a 25 mm gap between them so the heat dissipates adequately. Do not cover hoses. If the hoses need to be covered, make sure there are vents to allow the heat to dissipate. Do not install hoses with clamps that place pressure on the diameter.
When the machine is connected to a main machine, it won’t run until the external permission is given. These terminals are shorted at our factory. 3.6. PNEUMATIC INSTALLATION: The equipment has a G1/4 fitting to connect the dry air system ISOMELT MINI Fitting hose Electrical hose connection connection...
4.1. CONTROL PANEL: The following adjustments should be made before the machine is switched on or while it is working. They will ensure that the machine works properly and safely. The control panel is fitted with a timer for automatic switch-on and switch-off. With menus to access the parameter programming as well as the main machine operating permissions, alarms and various operating functions that will be described below, the machine regulates the temperature of the resistors connected to the various...
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NAME DESCRIPTION Green when the system reaches the programmed System Ready LED temperature. Alarm LED Red when an alarm goes off. On/Off Cooling/Regression Places the unit in or out of Cooling/Regression mode. Button Yellow when the unit is in Cooling/Regression mode. Settings Screen Displays the menu screens Turns the timer function on or off.
4.2. DISPLAY CONTRAST SETTINGS: The screen contrast may be adjusted for better viewing. If you cannot see the screen well, adjust the contrast. Do the following to adjust the contrast: 1. Keep the “SETUP” key pressed down on the front panel keypad while simultaneously pressing the “+”...
4.3 SETTINGS: Press the key to access the main settings menu. The following menus are available: Press the right and left keys to go to the chosen menu and press the OK key to enter the menu. Press the +/- keys to modify a parameter. One easy option is to press OK to access the parameter selection screen and use the +/- and left/right keys to choose the desired combination.
4.3.1. PASSWORD LEVELS: The ISOMELT MINI machine features several levels of security to protect important information from being accessed by unauthorised personnel. The levels are activated with different PIN codes upon entering the “Configuration Menu”. The following list includes the PIN codes for the different levels and describes the differences between them.
4.3.2 SYSTEM SETTINGS. You can access this feature via the settings / system menu. 4.3.2.1 Language: It is found under the settings / system / language menu. Use the +/- keys to choose a language. 4.3.2.2. Temperature Units: This is found under the settings / system / temperature units menu. You may choose Celsius (ºC) or Fahrenheit (ºF): 4.3.2.3.
4.3.2.4. Ready delay Time It is found under the settings / system / time before start menu. When using the Ready Delay Time option, the system ready LED will turn on at a pre-set time after all of the zones reach the respective programmed temperatures except for the system ready compensation temperature.
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4.3.2.6. Under Temperature Alarm This is found under the settings / system / low temperature menu. The Under Temperature Alarm refers to the temperatures set for each machine zone. The tolerance for the under temperature alarm is the number of degrees that each zone has cooled below the set temperature before the alarm goes off.
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4.3.2.8. Beacon / Alarm Setup It is found under the settings / system / alarm mode menu. The card features two alarm slots for a 24VDC marker light. Select the type of alarm for the slot with the +/- keys. MUS0920204 10/04/2024 MELTON, S.L.U.
4.3.2.9. Automatic Pump Mode: It is found under the settings / system / auto pump mode menu. Use the automatic pump option so the pump works automatically or manually. 4.3.2.10. Pot Fill Mode It is found under the settings / system / pot fill mode menu. When the equipment is used to fill another tank and its level sensor emits a signal to activate the pump, because it needs adhesive, we can set here a delay time for the activation of our pump.
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4.3.3. CLOCK AND 7-DAY TIMER: This is found under the settings / clock menu. The Clock submenu is used to choose the day and time and to establish on/off shifts and times and cooling/regression/rest temperatures so the system runs them automatically.
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4.3.4. DIAGNOSIS: This is found under the settings / diagnosis menu. The diagnostics screen displays the current software version as well as the current temperature and status of each zone. 4.3.5. SETBACK TEMPERATURE / TIME: This is found under the settings / setback menu. The setback time option is used to reduce the temperature of all of the zones with a temperature difference where the hot-melt is soft but does not melt.
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4.3.6. GUN/ HOSE SEQUENTIAL HEATING: This is found under the settings / startup menu. The hose on option allows the hose to begin heating after the tank reaches a specific temperature below the set temperature. This feature is used to reduce wear on the adhesive caused when the adhesive heats up in the hose because the adhesive remains in the hose for too long when waiting for the tank to reach the operating temperature.
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4.3.8. INPUT: This is found under the settings / input menu. The inputs are electrical inputs that can be activated by remote signal. The different types of configurable inputs are shown below. Use the left/right keys to select the input number (from 1 to 4) and the +/- keys to configure the input type.
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4.3.9 OUTPUTS: This is found under the settings / outputs menu. The outputs are electrical outputs that can enable a remote unit. The different types of configurable outputs are shown below. Use the left/right keys to select the output number (from 1 to 4) and the +/- keys to configure the output type.
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4.3.10. PUMP: This is found under the settings / pump menu. Use the left/right keys to select the parameter to modify. Speed Gain: This configures the nominal speed percentage at which the pump can rotate. Creep Speed: The minimum speed at which the pump can rotate. Minimum Speed: The signal below which the pump is maintained at a minimum speed.
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4.3.11. ENCODER: Use the left/right keys to configure the encoder settings: Use the +/- keys to configure the measurement units: 4.3.12. TEMP: This is found under the settings / temp. menu. The parameters P I D S R can be configured for each zone in order to optimise the heating in each zone.
4.3.13. CONFIGURATION This is found under the settings / conf. menu. Use the right/left keys to access the options: No. hoses: Enable the I/O card with the +/- keys: No. pumps: Weight Control: Use the right/left keys to select the pump. Use the +/- keys to enable/disable. Probe Type: Use the +/- keys to choose Ni 120 or Pt 100.
4.4. TEMPERATURE SETTINGS: 4.4.1 PROGRAMMING TEMPERATURES: Press the temperature button (if the temperature LED is not green) to display the first temperature screen. Temperature button 4.4.2 TEMPERATURE SCREENS: The tank temperature screen displays the current and programmed temperature. Output 1 and output 2 temperatures alternate on the screen to the right. Current tank Current hose temperature...
4.4.3 TANK TEMPERATURE: Press the key to access the temperature menu. Press OK to program the desired temperature with the navigation keys. 4.4.4 HOSE/GUN TEMPERATURE: Press the key or the right /left navigation keys again to configure the temperature of the hoses and guns. After entering the value, remember to enable the switch to activate each heating zone.
4.5 PUMP SETTINGS: Press the key to access the pump settings menu. Choose manual or auto mode with the +/- keys. In manual mode, you must enter the nominal speed percentage at which the pump must rotate. Press the right/left keys to access the weight configuration parameters for auto mode.
The adhesive output pressure is controlled by the regulator on the manifold. Turn the regulator stud with an Allen wrench until the pressure is suitable for the application. ISOMELT MINI Pressure regulator ISOMELT MINI PLUS Pressure regulator MUS0920204 10/04/2024 MELTON, S.L.U. - POLIGONO INDUSTRIAL AGUSTINOS CALLE G-34,31160 ORCOYEN, NAVARRA TEL: 00 34 948 321580 Fax: 00 34 948 326584 e-mail: melton@melton.es...
4.8. DRY AIR SYSTEM (ONLY FOR ISOMELT MINI): The equipment has a pneumatic system to maintain the tank pressurized at 0,3 bar with dry air or N When the lid is closed the equipment eliminates the warm air of the tank and introduces dry air or N When using nitrogen remove the dryer and the filters to prevent nitrogen loss.
4.9. PUSHER CYLINDER MOVEMENT ADJUSTMENT (ONLY FOR ISOMELT MINI PLUS): The equipment has a pressure regulator to adjust the pressure of the movement of the pusher cylinder downwards. Filter Pressure Regulator When the cylinder moves up, it operates at the system inlet pressure.
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Down Lowering of the cylinder: 1- When you close the lid, it activates the micro security (lid closed). 2- Turn the selector of the cylinder control plate to the lowering position. 3- When the equipment activates the pump, the cylinder begins to push the block of adhesive.
4.10. LEVEL SENSOR ADJUSTMENT 1º When the adhesive level is below the probe, press the red button. The red light flashes, then press again the red button and the minimum level is set. 2º Fill the tank covering completely the level sensor, press the green button. The green light flashes, then press again the green button and the level sensor is calibrated.
WARNING: This machine should only be used by qualified personnel who understand all the procedures and are familiar with the necessary safety measures. 5.1. INTRODUCTION: This chapter explains how to use the machine. First of all, make sure that the person operating the machine is duly protected and that all safety measures are being followed.
Filling the Tank: Before filling the tank, put on goggles, gloves and a long-sleeve shirt to prevent possible burns caused by hot adhesive splashing. Make sure that the tank is clean and free of foreign particles. Fill the heated tank with the hot–melt material up to a maximum of 10 mm below the edge of the tank.
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Filling the Tank (Only Isomelt Mini Plus): 1. The adhesive is received from the supplier (Figure A). 2. Take the bag out and cut the bottom part with a cutter (Figure B). For big consumptions, cut a circle of 10 cm diameter and centred in the bottom part.
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3. Insert the PUR product (Figure D). The block should look as indicated in figure E. Do not remove any more of the packaging. Close the cover and turn the cylinder selector to the down position ↓ (Figure F). When the equipment activates the pump, the cylinder begins to press the adhesive block.
5.3. STOPS: Two cases are distinguished: Stop pumping: If you just want to stop pumping, you must turn OFF the pump pumps screen. Temperature control will maintain the temperature of the equipment. If this stop will be quite long, we recommend turning the Low Maintenance function.
Annex B. 6.1. INTRODUCTION: This chapter outlines the procedures for proper maintenance of the ISOMELT MINI machine. Following these procedures will ensure safe operation and a long useful life of the machine. Carefully read Chapter 1: Safety before starting any maintenance process.
6.2. MAINTENANCE RECOMMENDATIONS: The following table shows how often maintenance operations must be done. Maintenance Frequency As necessary Change manifold joints and filter cartridge. Clean the outside surface of the machine. Use a liquid cleaner recommended by the adhesive manufacturer. Weekly Inspect all hydraulic, electrical and pneumatic (40 hours)
6.3. MAINTENANCE PROCESSES: 6.3.1. PUMP REPLACEMENT Follow these steps to replace the pump: 1. Make sure the machine is off. 2. Release the prisoner holding the coupling to the pump shaft with an Allen wrench. 3. Loosen the four Allen screws that secure the motor to the frame support team, to remove the engine, support and link back, leaving the pump.
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4. Loosen the four Allen screws that secure the pump to the manifold. Place a new pump and follow the above steps in reverse, for re-assembly. For single pump apply a torque of 22 N • m. For double pump apply a torque of 75 N • m. MUS0920204 10/04/2024 MELTON, S.L.U.
6.3.2. MOTOR REPLACEMENT: Follow these steps to replace the motor: 1. Make sure the machine is off. 2. In the bottom of the device, release the stud holding the coupling to the motor shaft. 3. Loosen the four hex nuts that secure the motor to the support, to remove the motor backwards.
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6.3.3. BLEEDING: The bleed process is done to sweep away small crystallisations that may be produced in the filter and if you wish to depressurise the system. Before purging the filter, put on goggles, gloves and a long- sleeve shirt to prevent possible burns caused by hot adhesive splashing.
6.3.4. REPLACING THE ADHESIVE FILTER: Before changing the filter, put on a face shield, gloves and a long-sleeve shirt to prevent possible burns caused by hot adhesive splashing. Keeping a filter or mesh in stock to replace when necessary is recommended. This replacement is quick and improves the machine performance.
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6. Insert the replaced part into the hole and close the cover. 7. Re-connect the electricity from the gun to the hose. 6.3.6. CLEANING THE GRID / MELTER (ONLY FOR ISOMELT MINI PLUS): Before cleaning the grid and the melter, put on a face shield, gloves and a long-sleeve shirt to prevent possible burns caused by hot adhesive splashing.
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2. Release the locking flanges 3. Open the tank carefully. MUS0920204 10/04/2024 MELTON, S.L.U. - POLIGONO INDUSTRIAL AGUSTINOS CALLE G-34,31160 ORCOYEN, NAVARRA TEL: 00 34 948 321580 Fax: 00 34 948 326584 e-mail: melton@melton.es http://www.valcomelton.com...
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4. Remove the grid 5. Clean the elements If using a cleaning agent, make sure it is compatible with the adhesive being used. It is recommendable to keep the cylinder in up position, to ensure that the bottom part doesn’t become dirty. Check with the adhesive manufacturer if there are any doubts.
WARNING: The maintenance operations described in this chapter should only be performed by qualified personnel understanding the processes and familiar with the safety measures involved. 7.1. INTRODUCTION: This chapter refers to the most common faults in your equipment. Breakdowns occur when the flow of glue is reduced or stops, or the alert system informs of a fault.
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The glue doesn’t go out Disassemble the hose from the gun and check the adhesive goes out. Press by han the solenoid valves and check the Check if the air gets adhesive goes out Defective module doesn’t pull Clean the nozzles adhesive and reach enough Adhesive comes out at too high pressure...
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The gun does not deposit adhesive when the electrovalve operates Check the temperature of the tank, hoses and guns Check if the gun electrovalve works Check to see if the nozzles are obstructed (remove and clean) Check if the module seat is blocked (remove and clean) Check if there is a leak from the module bleed hole...
7.3. ELECTRICAL FAULTS: Circuit Breaker that supplies energy to the unit trips Check electrical leakage in unit resistance and peripherals Check that the breaker is the right one for the unit power requirement The machine does not The unit turns on, but is not come on enabled Check the connection of the...
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The Tank does not heat Verify that the Check if the service Check the over temperature is contactor is activated temperature thermostat programmed correctly function Check the tank zone fuses Check if the tank heaters are short-circuited Verify that the tank terminals Verify correct tank are connected correctly Heather current...
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A hose overheats Check the hose temperature sensor Check to see if the hose triac is short-circuited Check that the electronic Check the programmed card is working correctly hose temperature A gun does not heat up Check for correct electronic Check that the channel is card programming enabled, and that it is at the...
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A hose does not heat up Check that the Check for correct channel is enabled and is at electronic card the right temperature programming If the sensor is short- circuited or opens, the Check the hose display shows RTD temperature sensor Disconnected Check that the pins Check the correct connection...
7.4. ADHESIVE APPLICATION PROBLEMS: Cold beads Nozzles far from the Low temperature surface to be glued Bring nozzles closer Raise temperature Too much glue at the start and end of bead Nozzles far from surface Dirty nozzle (blocked) Low pump pressure to be glued Clean and unblock Bring nozzles closer...
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Adhesive with fine threads Applicator far from the Bring closer surface to be glued Slightly increase the temperature Adhesive cold Fill tank with new Adhesive old adhesive Slightly increase Adhesive too viscous the temperature Draught on the applicator Preheat the Screen applicator to and/or low ambient substrate...
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Drops of adhesive in the applicator nozzle Incorrect air pressure to Opening of obturators Hole blocked and/or seat obturator drive valves not correctly adjusted worn or dirty Regulate the opening of Clean and/or replace Adjust air pressure the obturators dirty and/or worn parts Frequent obstruction of nozzles Increase in solids...
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Rebounds or splashes of adhesive from the substrate Reduce tank Adhesive temperature temperature too high Air pressure in the pump Reduce air pressure of the pump too high Reduce air pressure Viscosity of adhesives Use nozzle of of the pump too low smaller calibre Use adhesive with higher...
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Carbonisation of adhesive in the tank Reduce Tank temperature too temperature of high the tank Readjust temperature Temperature control fault control or replace card Keep tank full Level of adhesive low Keep tank cover Oxidation of the adhesive closed Gelatinous adhesive Empty the system Reduce the and wash it...
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Bubbles in the adhesive Fill the tank and operate applicators until the bubbles Tank empty disappear Use an adhesive Slightly increase Adhesive too viscous of lower viscosity the temperature Dry the substrate. Check by applying Operate applicator adhesive on dry Humidity in the substrate until the bubbles substrate...
A.1. DESCRIPTION A.1.1. INTRODUCTION Pneumatic pressure regulator. Controls the adhesive pressure to the manifold outlet. Prevents overpressure in the guns when starts the application. A.1.2. MAIN PARTS The main parts of the system are shown in the following figure: Regulators with Solenoid pressure gauge valve 1...
A.2. MACHINE INSTALLATION A.2.1. INTRODUCTION This chapter explains how to install the machine correctly. WARNING: The operations described in this chapter should be performed by qualified personnel, following safety instructions. A.2.2 INSTALLATION REQUIREMENTS In order for the machine to work properly, there needs to be a 0-24VDC signal to activate the solenoid valve and a compressed air circuit.
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1 Cut off the air. 2 Disconnect the general switch. 3 Protect the general switch with the key to prevent accidental connections. 4 Verify there is no power. 5 Verify there is no pressure in the adhesive; bleed if necessary. 6 Operate following the applicable safety instructions.
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1. Screw the pneumatic system to the equipment baseframe using the two screws indicated in the picture below. 2. Connect with a polyurethane pipe blue Ø8x5.5 the pressure regulating system kit air drying. MUS0920204 10/04/2024 MELTON, S.L.U. - POLIGONO INDUSTRIAL AGUSTINOS CALLE G-34,31160 ORCOYEN, NAVARRA TEL: 00 34 948 321580 Fax: 00 34 948 326584 e-mail: melton@melton.es http://www.valcomelton.com...
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3. Connecting one end of the control valve inlet pressure distributor. The other end of the pressure control valve is connected to the output of the solenoid valve 1 with a teflon pipe Ø8x6. MUS0920204 10/04/2024 MELTON, S.L.U. - POLIGONO INDUSTRIAL AGUSTINOS CALLE G-34,31160 ORCOYEN, NAVARRA TEL: 00 34 948 321580 Fax: 00 34 948 326584 e-mail: melton@melton.es http://www.valcomelton.com...
A.2.4. ELECTRICAL WIRING The solenoid valve must be connected to a 0-24 VDC activation signal on the main machine. A.2.5. PNEUMATIC CONNECTION The regulator features a pneumatic connection for a Ø8 tube. It is situated on the regulator with the pressure gauge. At least 6 bars of pressure are necessary.
A.3. MACHINE ADJUSTMENTS A.3.1. INTRODUCTION Before operating the machine, you must read the manual and understand it in order to ensure the proper, safe operation of the unit. The operator must do a series of movements in order to start the application. The adhesive temperature is controlled by the feeder (see the corresponding manual).
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PUR Adhesive Melter Valco Melton's IsoMelt Series has been redesigned to achieve the highest melting rates in the industry. Although specifically designed to process reactive hot melts such as PUR, IsoMelt units allow for fast and easy changes to EVA or APAO without adhesive degradation.
1400W For more information, visit valcomelton.com or contact your local Valco Melton representative. World Headquarters: USA, Cincinnati, Ohio (Corporate Offices) • Tel:+1.513.874.6550 • Fax: +1.513.874.3612 Europe Headquarters: Spain, Navarra • Tel:+34.948.321.580 • Fax:+34.948.326.584 Asia Headquarters: China, Xiamen, Fujian • Tel:+86.592.591.7854 • Fax:+86.592.591.7834 inquiry@valcomelton.com •...
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PUR Adhesive Melters Valco Melton's IsoMelt Mini and D4 PUR Series have been specifically designed to process reactive hot melts such as PUR. The tank can accommodate 2kg PUR standard slugs and work with up to 4 liters of adhesive.
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2x1400 For more information, visit valcomelton.com or contact your local Valco Melton representative. World Headquarters: USA, Cincinnati, Ohio (Corporate Offices) • Tel:+1.513.874.6550 • Fax: +1.513.874.3612 Europe Headquarters: Spain, Navarra • Tel:+34.948.321.580 • Fax:+34.948.326.584 Asia Headquarters: China, Xiamen, Fujian • Tel:+86.592.591.7854 • Fax:+86.592.591.7834 inquiry@valcomelton.com •...
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