Graco THERM-O-FLOW T18 Instructions Manual
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Graco THERM-O-FLOW T18 Instructions Manual

Graco THERM-O-FLOW T18 Instructions Manual

Hot melt tanks
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Instructions
Parts
THERM–O–FLOW
Hot Melt Tanks T18
Model 234253
Read warnings and instructions.
See page 2 for Table of Contents.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 2003, Graco Inc. is registered to I.S. EN ISO 9001
R
309833A

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Summary of Contents for Graco THERM-O-FLOW T18

  • Page 1 Instructions Parts THERM–O–FLOW Hot Melt Tanks T18 309833A Model 234253 Read warnings and instructions. See page 2 for Table of Contents. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 Copyright 2003, Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Table Of Contents

    ..................Graco Standard Warranty .

  • Page 3: Warnings

    Failure to Graco will not be held liable for injuries or damages follow this instruction can cause injury to operators and caused by misuse of this equipment.

  • Page 4: General Description

    General Description The Graco THERM–O–FLOWr T18 hot melt gluing Electrical Considerations system is used for melting and pumping hot melt thermoplastic adhesives. The system consists of the Electrical power to the THERM–O–FLOWr T18 melt melt unit, heated supply hose(s), and applicators.

  • Page 5: Controls And Indicators

    Controls and Indicators This section covers the operating controls and indica- Front Panel tors found on the THERM–O–FLOW T18 hot melt unit. Please read carefully before attempting to operate Control and trouble shooting for the entire melt system the machine. is accomplished from the melt unit front panel.
  • Page 6 Controls and Indicators Temperature Range Indicator 4. After the Range Indicator Digit has been increased or decreased, you can now use the Set Temp Increment/Decrement buttons to change the The temperature range indicator is a single 6 segment desired temperature. If the Range that you se- LED display showing the range currently set for the lected in the first part of this procedure is not the tank, hose, and head temperatures.
  • Page 7 Controls and Indicators Pump Function Selector and LED Open Sensor Error LED Indicators This LED will be illuminated amber in color when an open circuit condition is sensed. It could happen due to These three LEDs indicate pump Cycle, Crawl, or Run, a faulty applicator, a main melt unit malfunction, or and are controlled by the Pump Function Toggle but- even a hose that has failed.
  • Page 8 Controls and Indicators Cold Temperature Start–Ups 2. Although this scenario is unlikely, if a cold environ- ment is unavoidable, this condition is remedied by 1. The melt unit should not be operated at ambient adjusting the temperature range for the open zone temperatures below freezing (32 degrees F or 0 to a lower setting.

  • Page 9: Installation

    Installation Shipping and Handling CAUTION The THERM–O–FLOW T18 hot melt system is The melt unit should be properly bolted to its sup- shipped with the melt unit, supply hoses, and applica- porting surface using the base mounting holes to tor heads disconnected. The supply hoses and appli- prevent accidental upset and possibly injury.
  • Page 10 Installation Hot Melt Supply Hoses a. Loosely connect the JIC swivel fitting on the hose to the manifold fitting, then tighten the JIC swivel fitting using an 11/16” open end wrench. Be certain the JIC fitting is securely WARNING seated on the manifold fitting otherwise glue will leak once the unit reaches operating tem- Be certain to wear protective clothing when instal- perature.
  • Page 11 Installation Hand Gun Applicators WARNING The handgun nozzle should never be pointed towards people when the melt unit is powered. Pressures can develop within the hot melt system causing the glue to be projected significant dis- tances. Pointing the handgun at someone (includ- ing yourself!) presents a potential burn hazard.
  • Page 12 Installation Electric Applicator Heads 1. (a) Loosely connect the mounting bolts through the insulation washers and mounting bracket into the EG electric applicator heads require only electricity to applicator head as shown in the above illustration. actuate the needle. Both applicator head heating and Tighten the bolts using a 7/16”...
  • Page 13 Installation Air–Operated Applicator Heads AG or Compak series applicator heads require the supply of compressed air to actuate the needle(s). The supply of this compressed air is regulated via a sole- noid valve attached to the applicator head. Both appli- cator head heating and solenoid actuating power is supplied through the melt unit/supply hose, therefore no external connections are required making installa-...

  • Page 14: Electrical Wiring

    A cable with The hot melt units use single phase, 200 to 240 VAC, one end unterminated (Graco Part No. 118222) is 50 to 60 Hz power sources, each with earth ground for available to allow connection of a customer–supplied...

  • Page 15: Start-Up Instructions

    Installation Start–Up Instructions 5. Select the desired operating mode using the pump function selector. The normal mode of operation is the cycle mode. WARNING Fire, explosion, personal injury, property, and 6. Select the desired pump operating speed. Set the equipment damage can result if the materials used pump speed for DC motor units to the lowest in or around any hot melt supply equipment do not necessary speed to maintain operating fluid pres-...

  • Page 16: Maintenance

    Maintenance All electrical and mechanical components of the hot CAUTION melt system should be visually inspected for damage/ wear prior to powering up the system each day. This The part of the system being serviced should be inspection should include, but may not be limited to, heated to a temperature high enough to soften the the following areas event of sub–assembly failures: glue prior to dismantling, assembly or adjustment to...

  • Page 17: Hose Replacement

    Maintenance Hose Replacement 5. Tilt the melt unit backward far enough to access the glue manifold fittings. Loosen the supply hose JIC fitting and remove the hose from the melt unit. CAUTION 6. Install a new hose as specified in Hot Melt Supply Liquified hot melt adhesive in the melt tank affords a Hoses, page 10.
  • Page 18 Notes 309833...

  • Page 19: Parts

    Parts Tank to Pump Assembly Ref. Part No. Description Qty. Ref. Part No. Description Qty. CASTING, finished 118274 PUMP ASSEMBLY O–RING WASHER, lock split; 5/16 in. O–RING SCREW, cap; 5/16–18 x 3 in. black 309833...
  • Page 20 Parts Tank to frame, motor to pump assembly Ref. Part No. Description Qty. Ref. Part No. Description Qty. HUB, motor side BASE, assembly SCREW, hex; 5/16–18 x 1 TANK, assembly 1/4 in. 118204 MOTOR,180 VDC, 230 WASHER, lock; 5/16–18 x 1 VAC, DC 1/4 in.
  • Page 21 Parts Tank to frame, motor to pump assembly 309833...
  • Page 22 Parts Pump Assembly 118274 Ref. Part No. Description Qty. SCREW, hex; 5/16–18 x 1 in. RETAINER, housing SEAL, pump shaft HOUSING, pump seal SHAFT SCREW, hex; 5/16–18 x 3 in. WASHER, lock; 5/16 in split PIN, alignment WASHER, thrust O–RING BUSHING PLATE, drive side O–RING...
  • Page 23 Parts Preliminary Tank Assembly Ref. Part No. Description Qty. Ref. Part No. Description Qty. CASTING, machined and O–RING coated SEAT, pressure adjuster HEATER, tank 230 V NEEDLE, pressure adjuster PLUG, hex SPRING, pressure adjuster O–RING SHAFT, pressure adjuster CAP, filter O–RING O–RING SEAL, flow valve...
  • Page 24 Parts Final Tank Assembly Ref. Part No. Description Qty. Ref. Part No. Description Qty. SPRING SHIELD, lid, s.s. ASSEMBLY, electronic base WASHERS, flat 118212 ASSEMBLY, housing SCREWS 118213 FRONT PANEL SCREWS SCREW CHIMNEY SECTION SEAL, sponge, long SEAL, gasket, long SEAL, sponge, short SEAL, gasket, short ASSEMBLY, lid case...
  • Page 25 Parts Final Tank Assembly 309833...
  • Page 26 Parts 118066, 115 VAC and 118067, 230 VAC Handgun Assembly Reed switch is part of wiring assy. (10 or 14) Supplied per voltage requirement *Items 8 and 32 are available in air motor trigger repair kit 118165 { Included in handgun repair kit 118164 NOTE: Everything but 13 is preassembled.
  • Page 27 Parts EG Head Assembly Ref. Part No. Description Qty. Ref. Part No. Description Qty. BODY RETAINER, coil bottom TUBE, needle assembly CAN, coil SPRING RETAINER, coil top POPPET, electrical head NUT, retainer ADAPTOR, nozzle tip O–RING NUT, nozzle SCREW, cap; 4–40 x 1/4 in. COIL HELICOIL INSERT;...
  • Page 28 Parts VEA Head Assembly: 117845 and 117842 (115 VAC) , 117846 and 117843 (230 VAC) Ref. Part No. Description Qty. Ref. Part No. Description Qty. BODY RETAINER, coil bottom TUBE, needle assembly CAN, coil SPRING RETAINER, coil top POPPET, electrical head NUT, retainer ADAPTOR, nozzel tip O–RING...
  • Page 29 Parts Compak–201 120 VAC 117961, 230 VAC 117962 Ref. Part No. Description Qty. Ref. Part No. Description Qty. Manifold 118285 WIRING ASSY. 230 VAC BALL, PTFE r 118068 HEAD, compak 200 COVER, rear SCREW, hex, #4–40 x 3/16 in. 118265 FITTING, JIC SCREW, hex, INSULATION, clamp...
  • Page 30 Parts Compak–202 120 VAC 117963, 230 VAC 117964 Ref. Part No. Description Qty. Ref. Part No. Description Qty. Manifold 118285 WIRING ASSY. 230 VAC 118068 HEAD, compak 200 PLUG, cap COVER, rear SCREW, hex, #4–40 x 3/16 in. 118265 FITTING, JIC SCREW, hex, INSULATION, clamp #6–32 x 5/8 in.
  • Page 31 Parts Compak 204 115 VAC, 117965 and 230 VAC 117966 Ref. Part No. Description Qty. Ref. Part No. Description Qty. Manifold SCREW, hex, #4–40 x 3/16 in. 118068 HEAD, compak 200 SCREW, hex, COVER, rear #6–32 x 5/8 in. 118265 FITTING, JIC SCREW, hex PLUG, cap...
  • Page 32 Parts AG Applicator 115 VAC, 118288 and 230 VAC 118289 Ref. Part No. Description Qty. Ref. Part No. Description Qty. BODY, AG head O–RING BODY, piston AG O–RING HOUSING, bearing O–RING NOZZLE, adapter O–RING NEEDLE/PISTON assembly WIRING ASSEMBLY COVER, ag head 118282 115 VAC NUT, nozzle...

  • Page 33: Schematics

    Schematics EG Applicator * 115 VAC heater 118171 or 230 VAC heater 118172 AG Applicator * For 115 VAC heater 118171 or 230 VAC heater 118172 309833...
  • Page 34 Schematics Hose Electrical Schematics Handgun Electrical Schematics * For 115 VAC heater 118171 or 230 VAC heater 118172 309833...
  • Page 35 Schematics Compak 201/202 *For 115 VAC heater 118171 or 230 VAC heater 118172 Compak 204 * For 115 VAC heater 118171 or 230 VAC heater 118172 309833...
  • Page 36 Schematics Melt Unit Base 230 VAC 309833...

  • Page 37: Dimensions

    Dimensions Tank 309833...
  • Page 38 Dimensions Handgun 309833...
  • Page 39 Dimensions EG Mounting Dimensions 309833...

  • Page 40: Graco Standard Warranty

    Graco distributor to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will warrant hoses for a period of 6 months or 1500 hours (which ever occurs first) and for all other items, 12 months or 3000 hours ( which ever occurs first), from the date of sale to its end user ( as shown by the invoice/sales receipt), are free from defects in materials and workmanship under normal use and service.This warranty applies only when the equipment is...

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234253

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