POLYGUN-EC-EUROPEAN

POLYGUN-EC-EUROPEAN Datasheet

plastics like polypropylene, polyethylene

Part	Datasheet
POLYGUN-EC-EUROPEAN	POLYGUN-EC-EUROPEAN (pdf)

PDF Datasheet Preview
Scotch-Weld Hot Melt Applicator EC Aplicador EC por en Caliente Scotch-Weld Applicateur d’adhésif thermo-fusible EC de Scotch-Weld Adhesive Applicator Aplicador de adhesivo Applicateur d’adhésif Owner’s Manual del propietario Manuel de l’utilisateur Utilice el aplicador con los Adhesivos por en Caliente Scotch-Weld de 3M en cartuchos Quadrack . Use with 3M Scotch-Weld Hot Melt Adhesives in Quadrack cartridge form. Utilisez avec l’adhésif thermo-fusible 3M Scotch-Weld sous forme de cartouche Quadrack . Table of Contents Important Safety Grounding Instructions Unpacking Features Temperature Module Installation Applicator Startup Adjusting Trigger Stroke and Shot Size Changing to Another 3M Adhesive Requiring a Different Temperature Module Preventive Maintenance Operator Productivity and Comfort Troubleshooting Condition 1 Applicator will not heat Condition 2 Dripping nozzle Condition 3 Low or no adhesive flow Illustrated Parts Breakdown 3M Scotch-Weld Hot Melt Applicator EC Parts Kits...........................27 Temperature Module Selections for 3M Scotch-Weld Hot Melt Quadrack Adhesives Warranty and Repair 3M Sales cover Important Safety Instructions • Save these instructions • Read all instructions before using this product 3M Scotch-Weld Hot Melt Applicator EC Operation and Servicing ! WARNING To reduce the risk of electrical shock or injury while operating or servicing the 3M Scotch-Weld Hot Melt Applicator EC, observe the following safety rules Operate and service the applicator only as described in this manual. Connect the applicator only to a properly grounded outlet. Do not unplug the applicator by pulling on the cord. Grasp the plug, not the cord, to unplug. Do not handle the plug or applicator with wet hands. Do not use the applicator outdoors or on wet surfaces. Do not use the applicator if the cord or plug is damaged. Do not use the applicator if it is not working properly or has been damaged, submerged in water or left outdoors. ! WARNING Use only 3-prong grounded plug and properly grounded outlet. Failure to use properly grounded plug and outlet may cause electrical shock. If you are not sure of proper connections, get help from a qualified electrician or service person. ! WARNING Use only 3M-specified replacement parts. Use of other replacement parts may cause hazardous conditions or damage the applicator. ! Caution Allow applicator to cool to room temperature before servicing. Failure to do so may cause burns. ! Caution Avoid contact with hot adhesive and applicator tip. May cause burns. Wear safety glasses when using. ! Caution Use only the proper temperature module for the 3M Quadrack adhesive used. Failure to do so may cause burns or damage applicator. Refer to Table 1 for proper module selections for 3M Quadrack adhesives. ! Caution Do not pull adhesive stick from the rear of the applicator while in operation. Removing the adhesive from the rear may cause molten adhesive to flow out the rear of the applicator which may cause burns and damage the applicator. 3M Scotch-Weld Hot Melt Adhesive Note For health and safety information, see product label and Material Safety Data Sheet for 3M Scotch-Weld Hot Melt Adhesive before using. ! WARNING Disconnect electrical power and make sure applicator has cooled to room temperature before servicing. Failure to disconnect electrical power or failure to allow applicator to cool before servicing may cause electrical shock or burns. Read owner’s manual before servicing. ! WARNING Do not use an unapproved extension cord with the applicator. Use of an unapproved extension cord may cause electrical shock. Use an extension cord which complies with NEC requirements and state and local codes and other requirements. ! WARNING Use only with 3M Scotch-Weld Hot Melt Quadrack adhesive sticks. Use with any other materials may cause hazardous conditions. ! WARNING If no damage is found, check the resistance between the pins using an ohmmeter. If the measured value does not agree with that listed in Table 2, then the temperature module is defective. Replace it by ordering the appropriate Temperature Module Kit. See Parts Kit list on page 27 on this manual. If the measured value agrees with that listed in Table 2, place temperature module aside for re-use and proceed to next step. Important: Remove the power cord from the electrical outlet before conducting any further evaluations or repairs. Handle Disassembly Remove the remaining adhesive from the entry track by using a utility knife to cut off the adhesive stick just before it enters the white sleeve assembly, and gently remove it. Refer to Figure P for steps 6 through ! Caution Do not pull adhesive stick from the rear of the applicator while in operation. Removing adhesive from the rear may cause molten adhesive to flow out the rear of the applicator which may cause burns or damage the applicator. Figure P Remove the stroke adjuster by firmly grasping and twisting upward. Remove the end clip by gently prying off one end of the clip. Slide the transport mechanism off the entry track. 3M 2006 Troubleshooting continued Condition 1: Applicator will not heat To remove the trigger see Figure Q a. Use a small screwdriver to remove the E-ring from the pin at the base of the trigger. b. Remove the trigger pin. c. Remove the trigger and spring. Figure Q If the temperature module is installed, remove it by unscrewing the fastener and lifting out see Figure O . Set aside until reinstalled. Remove the six screws and hanger clip from the applicator handles. Remove the left-handle see Figure R . Hot3 MelSt cAoptcphli-cWateolrd 3M 2006 Figure R 18 Troubleshooting continued Condition 1 Applicator will not heat ! WARNING Disconnect the electrical power and make sure the applicator has cooled to room temperature before servicing. Failure to disconnect electrical power or failure to allow the applicator to cool before servicing may cause electrical shock or burns. Inspect all terminal block connections for loose or disconnected wires by making certain the screws in each terminal block are securing the wires. If any connections are loose or have pulled out of the terminal blocks, reconnect and retighten the connections see Figures S and T . After reconnections have been made, reassemble the applicator making sure wiring is properly located and will not be pinched when handles are closed see Figures P, Q and R . Reinstall the previously removed temperature module see Figure O . If all terminal block connections were initially found to be tight, proceed to the next step. Important: Power switch MUST be in “on” position red visor visible for step Check electrical continuity of heater/TCO/switch assembly. Using an ohmmeter, measure across the terminals numbered 3 and 4 on the top terminal block labeled TB2. These are the terminal block positions for the black wire from the power switch and the white wire from the heater, respectively see Figure S . Value measured should be between 40-50 ohms. If measured value is not in this range, replace the heater/TCO/switch assembly by ordering 3M Heater Kit If measured value is within the specified range, proceed to the next step. 1234 Figure S 3M 2006 Troubleshooting continued Condition 1: Applicator will not heat Important: Applicator must be cooled to room temperature for step Check continuity of the thermistor. First, disconnect the thermistor lead from terminal number 1 of the upper terminal block TB2 see Figure S . Using an ohmmeter, measure between the disconnected thermistor lead and terminal number 2 of terminal block TB2 see Figure S . Important: Thermistor lead must be disconnected for this test. Measured value between the disconnected thermistor lead and terminal number 2 should be between and Mega-ohms. If measured value is not within this range, replace the defective thermistor assembly by ordering 3M Thermistor Kit If measured value is within the acceptable range, reconnect the previously disconnected thermistor lead to terminal number 1 of terminal block TB2 see Figure S and proceed to the next step. Check the power cord for obvious wire damage. If damage is observed, replace the power cord by ordering 3M Power Cord Kit If no damage is observed, check the electrical continuity of the power cord wires steps 15A and 15b . a. Using an ohmmeter, check for continuity between terminal number 1 black wire from cord on the lower terminal block TB1 and the AC line terminal on the applicator plug see Figures T and U . White wire 3M 2006 Black wire Figure T Troubleshooting continued Condition 1: Applicator will not heat AC Line Terminal AC Neutral Terminal Figure U b. Using the ohmmeter, check for continuity between terminal number 2 white wire from cord on the lower terminal block TB1 and the AC neutral terminal on the applicator plug see Figures T and U . If the measurements in a or b above indicate electrical discontinuity in the cord, the cord is defective. Replace the power cord by ordering 3M Power Cord Kit If the measurements in a and b above verify electrical continuity, then the power cord is functioning properly. The cause of the heating problem has now been isolated to be the temperature controlling circuit. Replace the temperature controlling circuit by ordering 3M Handle/Controller Kit 3M 2006 Troubleshooting continued Condition 2 Dripping nozzle Plug in the power cord of the applicator and turn it on. Follow Applicator Startup Procedure on page 5 of Owner’s Manual. Important: Thermal expansion can cause a small amount of adhesive to drip from the tip during heat-up. This is normal. If the nozzle continues to drip after a warmup period of more than 10 minutes, then proceed to the next step. Check to make sure that the proper temperature module is inserted into the applicator for your adhesive. Refer to Table 1 on page 4 or the chart on pages 29-30 Temperature Module Selections section for selection of the proper temperature module to be used with your 3M Quadrack adhesive. If the applicator continues to drip, proceed to the next step. ! Caution Avoid contact with hot adhesive and the applicator tip. May cause burns. Wear safety glasses when using. ! WARNING Do not pull adhesive stick from the rear of the applicator while in operation. Removing adhesive from the rear may cause molten adhesive to flow out of the rear of the applicator which may cause burns or damage the applicator. Make sure that the adhesive is clean and not contaminated, and proceed to the next step. Backmelt Procedure: If the adhesive stick is very difficult to extrude, check for backmelt a. Slowly push the adhesive stick into the applicator so stick is flush with the white sleeve. b. Remove stroke adjuster by firmly grasping and twisting upward see Figure P . c. Remove the end clip by gently prying off one end of the clip see Figure P . d. Remove the transport mechanism by sliding it off the entry track see Figure P . e. Turn the applicator off by unplugging the power cord from the outlet and pressing the rocker switch off. The red visor on the rocker switch disappears, indicating the applicator is off see Figure N . 3M 2006 Troubleshooting continued Condition 2 Dripping nozzle Figure V ! Caution Allow applicator to cool to room temperature before servicing. Failure to do so may cause burns. f. Immediately before the applicator cools , use a blunt object to gently push the adhesive stick approximately one inch into the applicator so the white sleeve is empty see Figure V . Allow the applicator to cool to room temperature before proceeding to next step. g. With the tip pointed down and away from body, look inside the white sleeve. h. If there is a thin skin of adhesive on the inside of the white sleeve, the applicator is backmelted. With the applicator off and at room temperature, use a small knife or screwdriver to carefully loosen the edge of this skin. This creates a ridge for the next adhesive stick to catch. Important: Be careful not to damage the white sleeve with knife or screwdriver. i. Replace the transport mechanism, stroke adjuster, and end clip see Figure P . Reconnect the power cord to electrical outlet and turn on the applicator by pressing the rocker switch to the on position. Allow the applicator to heat up for ten minutes. Extrude an adhesive stick to clear the sleeve. Extrude a second stick to be sure the sleeve is clear. If dripping still continues, proceed to next step. Important: To avoid backmelt problems, keep the tip clean, do not use excessive force to extrude the adhesive, and allow adequate heat-up time especially when using extension tips or small orifice tips . Valve assembly is defective. Replace by ordering 3M Valve Assembly Kit 3M 2006 Troubleshooting continued Condition 3: Low or no adhesive flow Check to make sure that the proper temperature module is inserted and fastened into the applicator for your adhesive. See the Temperature Module Installation procedure on page 4 of this manual for proper selection and installation of the temperature module. If the flow problem still exists with the proper temperature module installed, proceed to next step. If adhesive is not properly extruded during shut-down see shutdown procedure on page 12 , the applicator requires 15 minutes of heat-up time before adhesive will flow properly. If the flow problem still exists after the 15 minute heat-up, proceed to the next step. ! Caution Use only the proper temperature module for the 3M Quadrack adhesive used. Failure to do so may cause burns or damage applicator. Refer to Table 1 in the Temperature Module Installation section for proper module selection for 3M Quadrack adhesive used. When using high viscosity 3M adhesive 3779, 3789, 3747 adhesive , use a fluted tip 3M #62-9940-6920-1 or a high viscosity valve 3M If a flow problem still exists with the proper valve and tip being used, proceed to the next step. If the applicator is on for a long period of time without dispensing adhesive for example 2-3 hours , charring may occur at the nozzle tip. Charring blocks adhesive flow and may cause adhesive backmelt. Remove charred adhesive by pushing a paper clip into the tip to clear the opening. If the flow problem still exists, proceed to the next step. ! WARNING Use only with 3M Scotch-Weld Hot Melt Quadrack Adhesive sticks. Use with any other materials may cause hazardous conditions. Important To avoid this problem, remember to follow the shutdown procedure on the page 12 and to extrude at least one adhesive stick every three hours while the applicator is on. ! Caution Avoid contact with hot adhesive and applicator tip. May cause burns. Wear safety glasses when using. 3M 2006 Troubleshooting continued Condition 3: Low or no adhesive flow If the transport mechanism does not move freely on the track or if the arms of the mechanism do not open and close freely, clean the transport mechanism steps 5a-5d . a. Extrude the remaining adhesive from the entry track. b. Disconnect the power cord from the outlet. c. Allow the applicator to cool to room temperature. ! Caution Allow applicator to cool to room temperature before servicing. Failure to do so may cause burns. ! WARNING Do not clean or remove the 3M Scotch-Weld Hot Melt Adhesive with solvent. May cause fire. For additional health and safety information, see the product label and Material Safety Data Sheet for Scotch-Weld Hot Melt Adhesive used. d. Use 3M Citrus Base Cleaner or equivalent to remove any dirt that restricts free movement of the transport mechanism. See Figure P to remove or reinstall transport mechanism if necessary. If the transport mechanism is damaged, replace it with 3M Transport Mechanism Kit If the flow problem still exists, proceed to the next step. The adhesive applicator may be backmelted. See Backmelt procedure on page 22 of this manual. If the flow problem still exists after cleaning the backmelt, proceed to the next step. There may be gelled adhesive in the heat-block or valve. Replace the heat block, valve and nozzle with the 3M Heat Block Kit 3M 2006 Illustrated Part Breakdown 3M 2006 3M Scotch-Weld Hot Melt Applicator EC Parts Kits Each Parts Kit is shipped with illustrated instructions 3M Stock Number Description Contents 62-9680-9733-7 62-9680-9730-3

PDF Datasheet Preview

Scotch-Weld Hot Melt Applicator EC Aplicador EC por en Caliente Scotch-Weld Applicateur d’adhésif thermo-fusible EC de Scotch-Weld

Adhesive Applicator Aplicador de adhesivo Applicateur d’adhésif

Owner’s Manual del propietario Manuel de l’utilisateur

Utilice el aplicador con los Adhesivos por en Caliente Scotch-Weld de 3M en cartuchos Quadrack . Use with 3M Scotch-Weld Hot Melt Adhesives in Quadrack cartridge form. Utilisez avec l’adhésif thermo-fusible 3M Scotch-Weld sous forme de cartouche Quadrack .

Table of Contents

Important Safety Grounding Instructions Unpacking Features Temperature Module Installation Applicator Startup Adjusting Trigger Stroke and Shot Size Changing to Another 3M Adhesive Requiring a Different Temperature Module Preventive Maintenance Operator Productivity and Comfort Troubleshooting

Condition 1 Applicator will not heat Condition 2 Dripping nozzle Condition 3 Low or no adhesive flow Illustrated Parts Breakdown 3M Scotch-Weld Hot Melt Applicator EC Parts Kits...........................27 Temperature Module Selections for 3M Scotch-Weld Hot Melt Quadrack Adhesives Warranty and Repair 3M Sales cover

Important Safety Instructions
• Save these instructions
• Read all instructions before using this
product
3M Scotch-Weld Hot Melt Applicator EC Operation and Servicing
! WARNING

To reduce the risk of electrical shock or injury while operating or servicing the 3M Scotch-Weld Hot Melt Applicator EC, observe the following safety rules Operate and service the applicator only as
described in this manual. Connect the applicator only to a properly
grounded outlet. Do not unplug the applicator by pulling on the
cord. Grasp the plug, not the cord, to unplug. Do not handle the plug or applicator with wet
hands. Do not use the applicator outdoors or on wet
surfaces. Do not use the applicator if the cord or plug is
damaged. Do not use the applicator if it is not working
properly or has been damaged, submerged in water or left outdoors.
! WARNING

Use only 3-prong grounded plug and properly grounded outlet. Failure to use properly grounded plug and outlet may cause electrical shock. If you are not sure of proper connections, get help from a qualified electrician or service person.
! WARNING

Use only 3M-specified replacement parts. Use of other replacement parts may cause hazardous conditions or damage the applicator.
! Caution

Allow applicator to cool to room temperature before servicing. Failure to do so may cause burns.
! Caution

Avoid contact with hot adhesive and applicator tip. May cause burns. Wear safety glasses when using.
! Caution

Use only the proper temperature module for the 3M Quadrack adhesive used. Failure to do so may cause burns or damage applicator. Refer to Table 1 for proper module selections for 3M Quadrack adhesives.
! Caution

Do not pull adhesive stick from the rear of the applicator while in operation. Removing the adhesive from the rear may cause molten adhesive to flow out the rear of the applicator which may cause burns and damage the applicator.
3M Scotch-Weld Hot Melt Adhesive

Note For health and safety information, see product label and Material Safety Data Sheet for 3M Scotch-Weld Hot Melt Adhesive before using.
! WARNING

Disconnect electrical power and make sure applicator has cooled to room temperature before servicing. Failure to disconnect electrical power or failure to allow applicator to cool before servicing may cause electrical shock or burns. Read owner’s manual before servicing.
! WARNING

Do not use an unapproved extension cord with the applicator. Use of an unapproved extension cord may cause electrical shock. Use an extension cord which complies with NEC requirements and state and local codes and other requirements.
! WARNING

Use only with 3M Scotch-Weld Hot Melt Quadrack adhesive sticks. Use with any other materials may cause hazardous conditions.
! WARNING
If no damage is found, check the resistance between the pins using an ohmmeter. If the measured value does not agree with that listed in Table 2, then the temperature module is defective. Replace it by ordering the appropriate Temperature Module Kit. See Parts Kit list on page 27 on this manual.

If the measured value agrees with that listed in Table 2, place temperature module aside for re-use and proceed to next step.

Important:

Remove the power cord from the electrical outlet before conducting any further evaluations or repairs.

Handle Disassembly

Remove the remaining adhesive from the entry track by using a utility knife to cut off the adhesive stick just before it enters the white sleeve assembly, and gently remove it.

Refer to Figure P for steps 6 through
! Caution

Do not pull adhesive stick from the rear of the applicator while in operation. Removing adhesive from the rear may cause molten adhesive to flow out the rear of the applicator which may cause burns or damage the applicator.

Figure P Remove the stroke adjuster by firmly grasping and twisting upward. Remove the end clip by gently prying off one end of the clip. Slide the transport mechanism off the entry track.
3M 2006

Troubleshooting continued

Condition 1:

Applicator will not heat

To remove the trigger see Figure Q a. Use a small screwdriver to remove the E-ring from the pin at the base of the trigger. b. Remove the trigger pin. c. Remove the trigger and spring.

Figure Q

If the temperature module is installed, remove it by unscrewing the fastener and lifting out see Figure O . Set aside until reinstalled.

Remove the six screws and hanger clip from the applicator handles. Remove the left-handle see Figure R .

Hot3 MelSt cAoptcphli-cWateolrd
3M 2006

Figure R 18

Troubleshooting continued

Condition 1 Applicator will not heat
! WARNING

Disconnect the electrical power and make sure the applicator has cooled to room temperature before servicing. Failure to disconnect electrical power or failure to allow the applicator to cool before servicing may cause electrical shock or burns.

Inspect all terminal block connections for loose or disconnected wires by making certain the screws in each terminal block are securing the wires. If any connections are loose or have pulled out of the terminal blocks, reconnect and retighten the connections see Figures S and T . After reconnections have been made, reassemble the applicator making sure wiring is properly located and will not be pinched when handles are closed see Figures P, Q and R . Reinstall the previously removed temperature module see Figure O .

If all terminal block connections were initially found to be tight, proceed to the next step.

Important:

Power switch MUST be in “on” position red visor visible for step

Check electrical continuity of heater/TCO/switch assembly. Using an ohmmeter, measure across the terminals numbered 3 and 4 on the top terminal block labeled TB2. These are the terminal block positions for the black wire from the power switch and the white wire from the heater, respectively see Figure S .
Value measured should be between 40-50 ohms. If measured value is not in this range, replace the heater/TCO/switch assembly by ordering 3M Heater Kit

If measured value is within the specified range, proceed to the next step.
1234

Figure S
3M 2006

Troubleshooting continued

Condition 1:

Applicator will not heat

Important:

Applicator must be cooled to room temperature for step

Check continuity of the thermistor. First, disconnect the thermistor lead from terminal number 1 of the upper terminal block TB2 see Figure S . Using an ohmmeter, measure between the disconnected thermistor lead and terminal number 2 of terminal block TB2 see Figure S .

Important:

Thermistor lead must be disconnected for this test. Measured value between the disconnected thermistor lead and terminal number 2 should be between and Mega-ohms.
If measured value is not within this range, replace the defective thermistor assembly by ordering 3M Thermistor Kit

If measured value is within the acceptable range, reconnect the previously disconnected thermistor lead to terminal number 1 of terminal block TB2 see Figure S and proceed to the next step.
Check the power cord for obvious wire damage. If damage is observed, replace the power cord by ordering 3M Power Cord Kit

If no damage is observed, check the electrical continuity of the power cord wires steps 15A and 15b .
a. Using an ohmmeter, check for continuity between terminal number 1 black wire from cord on the lower terminal block TB1 and the AC line terminal on the applicator plug see Figures T and U .

White wire
3M 2006

Black wire

Figure T

Troubleshooting continued

Condition 1:

Applicator will not heat

AC Line Terminal

AC Neutral Terminal

Figure U b. Using the ohmmeter, check for continuity between terminal
number 2 white wire from cord on the lower terminal block TB1 and the AC neutral terminal on the applicator plug see Figures T and U .
If the measurements in a or b above indicate electrical discontinuity in the cord, the cord is defective. Replace the power cord by ordering 3M Power Cord Kit

If the measurements in a and b above verify electrical continuity, then the power cord is functioning properly.
The cause of the heating problem has now been isolated to be the temperature controlling circuit. Replace the temperature controlling circuit by ordering 3M Handle/Controller Kit
3M 2006

Troubleshooting continued

Condition 2 Dripping nozzle

Plug in the power cord of the applicator and turn it on. Follow Applicator Startup Procedure on page 5 of Owner’s Manual.

Important:

Thermal expansion can cause a small amount of adhesive to drip from the tip during heat-up. This is normal. If the nozzle continues to drip after a warmup period of more than 10 minutes, then proceed to the next step.

Check to make sure that the proper temperature module is inserted into the applicator for your adhesive. Refer to Table 1 on page 4 or the chart on pages 29-30 Temperature Module Selections section for selection of the proper temperature module to be used with your 3M Quadrack adhesive. If the applicator continues to drip, proceed to the next step.
! Caution

Avoid contact with hot adhesive and the applicator tip. May cause burns. Wear safety glasses when using.
! WARNING

Do not pull adhesive stick from the rear of the applicator while in operation. Removing adhesive from the rear may cause molten adhesive to flow out of the rear of the applicator which may cause burns or damage the applicator.

Make sure that the adhesive is clean and not contaminated, and proceed to the next step.

Backmelt Procedure:

If the adhesive stick is very difficult to extrude, check for backmelt a. Slowly push the adhesive stick into the applicator so stick is flush with the white sleeve.
b. Remove stroke adjuster by firmly grasping and twisting upward see Figure P .
c. Remove the end clip by gently prying off one end of the clip see Figure P .
d. Remove the transport mechanism by sliding it off the entry track see Figure P .
e. Turn the applicator off by unplugging the power cord from the outlet and pressing the rocker switch off. The red visor on the rocker switch disappears, indicating the applicator is off see Figure N .
3M 2006

Troubleshooting continued

Condition 2 Dripping nozzle

Figure V
! Caution

Allow applicator to cool to room temperature before servicing. Failure to do so may cause burns.
f. Immediately before the applicator cools , use a blunt object to gently push the adhesive stick approximately one inch into the applicator so the white sleeve is empty see Figure V . Allow the applicator to cool to room temperature before proceeding to next step.
g. With the tip pointed down and away from body, look inside the white sleeve.
h. If there is a thin skin of adhesive on the inside of the white sleeve, the applicator is backmelted. With the applicator off and at room temperature, use a small knife or screwdriver to carefully loosen the edge of this skin. This creates a ridge for the next adhesive stick to catch.

Important:

Be careful not to damage the white sleeve with knife or screwdriver.
i. Replace the transport mechanism, stroke adjuster, and end clip see Figure P . Reconnect the power cord to electrical outlet and turn on the applicator by pressing the rocker switch to the on position. Allow the applicator to heat up for ten minutes. Extrude an adhesive stick to clear the sleeve. Extrude a second stick to be sure the sleeve is clear. If dripping still continues, proceed to next step.

Important:

To avoid backmelt problems, keep the tip clean, do not use excessive force to extrude the adhesive, and allow adequate heat-up time especially when using extension tips or small orifice tips .
Valve assembly is defective. Replace by ordering 3M Valve Assembly Kit
3M 2006

Troubleshooting continued

Condition 3:

Low or no adhesive flow

Check to make sure that the proper temperature module is inserted and fastened into the applicator for your adhesive. See the Temperature Module Installation procedure on page 4 of this manual for proper selection and installation of the temperature module. If the flow problem still exists with the proper temperature module installed, proceed to next step.

If adhesive is not properly extruded during shut-down see shutdown procedure on page 12 , the applicator requires 15 minutes of heat-up time before adhesive will flow properly. If the flow problem still exists after the 15 minute heat-up, proceed to the next step.
! Caution

Use only the proper temperature module for the 3M Quadrack adhesive used. Failure to do so may cause burns or damage applicator. Refer to Table 1 in the Temperature Module Installation section for proper module selection for 3M Quadrack adhesive used.

When using high viscosity 3M adhesive 3779, 3789, 3747 adhesive , use a fluted tip 3M #62-9940-6920-1 or a high viscosity valve 3M If a flow problem still exists with the proper valve and tip being used, proceed to the next step.

If the applicator is on for a long period of time without dispensing adhesive for example 2-3 hours , charring may occur at the nozzle tip. Charring blocks adhesive flow and may cause adhesive backmelt. Remove charred adhesive by pushing a paper clip into the tip to clear the opening. If the flow problem still exists, proceed to the next step.
! WARNING

Use only with 3M Scotch-Weld Hot Melt Quadrack Adhesive sticks. Use with any other materials may cause hazardous conditions.

Important

To avoid this problem, remember to follow the shutdown procedure on the page 12 and to extrude at least one adhesive stick every three hours while the applicator is on.
! Caution

Avoid contact with hot adhesive and applicator tip. May cause burns. Wear safety glasses when using.
3M 2006

Troubleshooting continued

Condition 3:

Low or no adhesive flow

If the transport mechanism does not move freely on the track or if the arms of the mechanism do not open and close freely, clean the transport mechanism steps 5a-5d .
a. Extrude the remaining adhesive from the entry track.
b. Disconnect the power cord from the outlet.
c. Allow the applicator to cool to room temperature.
! Caution

Allow applicator to cool to room temperature before servicing. Failure to do so may cause burns.
! WARNING

Do not clean or remove the 3M Scotch-Weld Hot Melt Adhesive with solvent. May cause fire. For additional health and safety information, see the product label and Material Safety Data Sheet for Scotch-Weld Hot Melt Adhesive used.
d. Use 3M Citrus Base Cleaner or equivalent to remove any dirt that restricts free movement of the transport mechanism. See Figure P to remove or reinstall transport mechanism if necessary.

If the transport mechanism is damaged, replace it with 3M Transport Mechanism Kit If the flow problem still exists, proceed to the next step.

The adhesive applicator may be backmelted. See Backmelt procedure on page 22 of this manual. If the flow problem still exists after cleaning the backmelt, proceed to the next step.

There may be gelled adhesive in the heat-block or valve. Replace the heat block, valve and nozzle with the 3M Heat Block Kit
3M 2006

Illustrated Part Breakdown
3M 2006
3M Scotch-Weld Hot Melt Applicator EC Parts Kits

Each Parts Kit is shipped with illustrated instructions
3M Stock Number Description

Contents
62-9680-9733-7 62-9680-9730-3

More datasheets: CHF2010DNP500LXE | VFG9000-ENET | 26501-AL3 | 2590 | 2074 | 5100 | M213203 SL005 | M213203 SL001 | M213203 SL002 | SD103ASDM-7

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived POLYGUN-EC-EUROPEAN Datasheet file may be downloaded here without warranties.

Datasheet ID: POLYGUN-EC-EUROPEAN 521403