3M Scotch-Weld Hot Melt Applicator EC Owner'S Manual Download Page 31 | Manualshive

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© 3M 2006

29

Temperature Module Selections for
3M™ Scotch-Weld™ Hot Melt Quadrack™ Adhesives

Scotch-Weld

Temperature

Adhesive

Description

Color

Resistance

Module

3731 Q

A 100% solid, high heat resistant

Off-White

265°F (129°C)

(5)

thermoplastic adhesive for bonding a variety
of substrates including low surface energy
plastics like polypropylene, polyethylene
and many other plastics.

3738 Q

High delivery rate, multi-purpose

Tan

130°F (55°C)

(4)

adhesive with long bonding range
and good performance properties.

3747 Q

Good adhesion to a variety of plastic

Tan

145°F (63°C)

(4)

and wood with good heat resistance,
long bonding range, and high delivery
rate.

3748 Q

Outstanding adhesive for rigidizing

Off-

175°F (80°C)

(4)

and attaching components to printed

White

circuit boards. Good adhesion to many
plastics including polyolefins. Offers
good shock and heat resistance.

3748 V-O Q

Self-extinguishing version of 3748

Light

175°F (79°C)

(4)

adhesive which meets UL 94 and UL

Yellow

1410 requirements. Can bond to FRP,
epoxy board, polypropylene, polyethylene.

3762 Q

A rapid-setting, low viscosity

Tan

130°F (55°C)

(3)

adhesive that exhibits excellent “hot tack”
properties. Can be used on most paper
and paper products.

3762LM Q

Similar to 3762 Q adhesive Cream

130°F

(55°C)

(1)

except applied at a substantially
lower temperature.

3764 Q

Clear, high performance adhesive

Clear

140°F (60°C)

(4)

for many types of plastics, glass and
wood, such as acrylic, polyolefins,
polystyrene, polyester, and polycarbonate.
Exhibits outstanding resistance to shock at
both 72°F and 0°F.

3776LM Q

Medium performance, low

Tan

140°F (60°C)

(1)

temperature applied adhesive. Can
bond many light weight materials
to light gauge metals.

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Summary of Contents for Scotch-Weld Hot Melt Applicator EC

Page 1: ...plicador de adhesivo Applicateur d adhésif Owner s Manual Manual del propietario Manuel de l utilisateur Utilice el aplicador con los Adhesivos por Fusión 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 ...

Page 2: ... Shutdown 12 Preventive Maintenance 13 Operator Productivity and Comfort 14 Troubleshooting 15 Condition 1 Applicator will not heat 16 Condition 2 Dripping nozzle 22 Condition 3 Low or no adhesive flow 24 Illustrated Parts Breakdown 26 3M Scotch Weld Hot Melt Applicator EC Parts Kits 27 Accessories 28 Temperature Module Selections for 3M Scotch Weld Hot Melt Quadrack Adhesives 29 Warranty and Repa...

Page 3: ...ARNING 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 3M specified replacement parts Use of other replacement parts may cause hazardous conditions or damage the applicator Caution Allow applicator to...

Page 4: ...ccordance with all state and local codes and requirements The 3M Scotch Weld Hot Melt Applicator EC is intended for use on a nominal 120 volt circuit with a grounding plug as shown in the figure above Make sure the applicator is connected to an outlet with the same configuration as the plug Do not use an adaptor WARNING Do not modify the plug provided with the applicator or use with an adaptor or ...

Page 5: ...is supplied with five removable temperature modules Refer to Table 1 in the Temperature Module Installation section for proper module selection for 3M Quadrack adhesive used Palm trigger helps improve operator comfort in high demand applications Stroke adjuster enables precise deposit of adhesive RoHS compliant means that the product or part does not contain any of the substances in excess of the ...

Page 6: ...n for selection of the proper temperature module to be used with your 3M Quadrack adhesive 2 Install the proper temperature module by inserting it into the lower portion of the handle and tighten the fastener until snug see Figure A Temperature Module Selections for 3M Scotch Weld Hot Melt Quadrack Adhesives Module 1 Module 2 Module 3 Module 4 Module 5 3762 LMQ 3762 LMQ 3762 Q 3738 Q 3731 Q 3776 L...

Page 7: ...erature Module Installation 1 Plug the applicator into a grounded 120 VAC receptacle 2 Push the on off switch to the on position indicated by the visible red portion of the switch see Figure B 3 Wait 5 to 10 minutes for heat up Note Allow at least 15 minutes for heat up at its next use if the applicator did not have adhesive extruded at shut down Refer to shut down procedure on page 12 Important T...

Page 8: ...he applicator which may cause burns and damage the applicator 5 Insert 3M Scotch Weld Hot Melt Quadrack adhesive stick through the stroke adjuster and transport mechanism see Figure C 6 Align flat surfaces of stick as show in Figure D WARNING Use only with 3M Scotch Weld Hot Melt Quadrack Adhesive Cartridges Use with any other materials may cause hazardous conditions Figure D Figure C 3M 2006 6 ...

Page 9: ...cotch Weld Hot Melt Applicator EC by applying firm even pressure to the trigger see Figure E Important Do not use excessive force while extruding adhesive through the applicator Slow continuous trigger actuation is required Excessive force can damage the applicator Figure E ...

Page 10: ...e applicator while in operations Removing adhesive from the rear may cause molten adhesive to flow out the rear of the applicator which may cause burns and damage the applicator 1 Extrude the remaining adhesive from the entry track 2 Using the trigger push the transport mechanism full forward see Figure F 3 Carefully twist the stroke adjuster off the entry track see Figure G Figure F Figure G 3M 2...

Page 11: ...r stroke or smaller shot size move the stroke adjuster forward see Figure I For a longer stroke or larger shot size move the stroke adjuster toward the rear 5 When the trigger stroke and shot size are established ensure that the stroke adjuster is correctly seated on the entry track see Figure J 6 Ensure that the white ring on the inside of the stroke adjuster moves freely If not remove and reinst...

Page 12: ...e module to be used with your 3M Quadrack adhesive 1 Extrude the remaining adhesive from the entry track 2 Turn the applicator off by pressing the rocker switch at the rear of the handle see Figure K The red visor on the rocker switch disappears indicating the applicator is off 3 Unplug the applicator and allow it to cool to room temperature 4 Remove the temperature module by simultaneously unscre...

Page 13: ...ator by inserting the new adhesive and advancing through the applicator until it is ready to be reloaded with another stick Important Do not use excessive force while extruding adhesive after changing the temperature modules Slow continuous trigger actuation is required Excessive force can damage the applicator and cause molten adhesive flow out the rear 7 The applicator is now ready to be used wi...

Page 14: ...e power cord from the power source WARNING Use only with 3M Scotch Weld Hot Melt Quadrack Adhesive Sticks Use with any other materials may cause hazardous conditions Caution Avoid contact with hot adhesive and the applicator tip May cause burns Wear safety glasses when using Caution Do not pull adhesive stick from the rear of the applicator while in operation Removing adhesive from the rear may ca...

Page 15: ... this manual if necessary 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 Caution Avoid contact with hot adhesive and the applicator tip May cause burns Wear safety glasses when using Caution Do not pull adhesive st...

Page 16: ...ing over These positions can result in irritation of the nerves muscles tendons and cartilage of the shoulder elbow wrist hand and back Adjust your workstation so you can Stand or sit erect Keep your elbows close to your sides Hold the applicator with a straight wrist 3M 2006 14 ...

Page 17: ...d replacement parts list can be found on pages 26 27 Should your applicator require repair replacement parts can be ordered from your local authorized 3M Scotch Weld Hot Melt Adhesive distributor If after following these procedures a problem still exists contact your local Sales Representative For telephone numbers of the nearest 3M location refer to the back cover of this manual Important Service...

Page 18: ...o the next step 2 Check to make sure that the proper temperature module is fully engaged by inserting and tightening the fastener until snug see Figure O Refer to Table 1 page 4 for the proper module If no heat proceed to the next step Figure N Figure O 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 Ta...

Page 19: ...ectrical outlet before conducting any further evaluations or repairs Handle Disassembly 5 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 8 6 Remove the stroke adjuster by firmly grasping and twisting upward 7 Remove the end clip by ge...

Page 20: ...remove the E ring from the pin at the base of the trigger b Remove the trigger pin c Remove the trigger and spring 10 If the temperature module is installed remove it by unscrewing the fastener and lifting out see Figure O Set aside until reinstalled 11 Remove the six screws and hanger clip from the applicator handles Remove the left handle see Figure R Figure Q Figure R 3M 2006 18 ...

Page 21: ...portant Power switch MUST be in on position red visor visible for step 13 13 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 ...

Page 22: ...measured value is not within this range replace the defective thermistor assembly by ordering 3M Thermistor Kit 62 9680 9733 7 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 15 Check the power cord for obvious wire damage If damage is observed replace the pow...

Page 23: ... b above indicate electrical discontinuity in the cord the cord is defective Replace the power cord by ordering 3M Power Cord Kit 62 9680 9920 0 If the measurements in a and b above verify electrical continuity then the power cord is functioning properly 16 The cause of the heating problem has now been isolated to be the temperature controlling circuit Replace the temperature controlling circuit b...

Page 24: ...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 3 Make sure that the adhesive is clean and not contaminated and proceed to the next step Backmelt Procedure 4 ...

Page 25: ...o 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...

Page 26: ...re module installed proceed to next step 2 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 3 When using high viscosity 3M adhesive 3779 3789 3747 adhesive use a 125 fluted tip 3M 62 9940 6...

Page 27: ...t mechanism is damaged replace it with 3M Transport Mechanism Kit 62 9787 9930 2 If the flow problem still exists proceed to the next step 6 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 7 There may be gelled adhesive in the heat block or valve Replace the heat block v...

Page 28: ...Illustrated Part Breakdown 3M 2006 26 ...

Page 29: ...ing Heat Block Inserts 1 set End Clip 62 9680 9734 5 Small Parts Kit Trigger Handle Screws 6 Spring 3 Hanger Clip 2 E Ring 3 Heat Block Inserts 3 sets Trigger Pin 3 End Clip 2 62 9680 9920 0 Power Cord Kit 120V Power Cord Assy E Ring Handle Screws 6 Spring Ground Screw Trigger Pin End Clip 62 9680 9731 1 Heater Kit 120V Heater Clip Heater Clip Screw Handle Screws 6 E Ring Spring Trigger Pin Heater...

Page 30: ...luted Tip 62 9946 6980 2 072 inch Brass Extension 62 9725 9930 2 Mini Extension Tip 072 inch Opening 62 9726 9930 0 T Tip w Adapter 62 9727 9930 8 L Tip w Adapter 62 9729 9930 4 High Viscosity Valve recommended for use with adhesives 3779 3789 3747 62 9785 9930 6 070 inch Tapered Aluminum Extension 62 9945 9935 5 Bench Stand 3M 2006 28 ...

Page 31: ...printed White circuit boards Good adhesion to many plastics including polyolefins Offers good shock and heat resistance 3748 V O Q Self extinguishing version of 3748 Light 175 F 79 C 4 adhesive which meets UL 94 and UL Yellow 1410 requirements Can bond to FRP epoxy board polypropylene polyethylene 3762 Q A rapid setting low viscosity Tan 130 F 55 C 3 adhesive that exhibits excellent hot tack prope...

Page 32: ...ticular purpose and suitable for user s method of application Please remember that many factors can affect the use and performance of a 3M product in a particular application The materials to be bonded with the product the surface preparation of those materials the product selected for use the conditions in which the product is used and the time and environmental condition in which the product is ...

Page 33: ...S FOR A PARTICULAR PURPOSE OR ANY IMPLIED WARRANT ARISING OUT OF A COURSE OF DEALING CUSTOM OR USAGE OF TRADE This warranty does not cover routine maintenance normal wear and tear or damage resulting from accident misuse alteration corrosion lack of reasonable care service performed by an unauthorized repair service use of unauthorized replacement parts or accessories or installation use operation...

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