Graco 25D117 Operation
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Graco 25D117 Operation

Graco 25D117 Operation

Warm melt supply system
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Operation
Warm Melt Supply
System
For use with heated bulk supply of medium to high viscosity sealant and adhesive
materials. Intended for indoor use only. For professional use only.
Not for use in hazardous locations or explosive atmospheres.
25D117
26C258
D20 3 inch dual post
100 psi (0.7 MPa, 7 bar) Maximum Air Inlet Pressure for
Air cylinder.
60 psi (0.4 MPa, 4 bar) Maximum Air Inlet Pressure for
Air motor.
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
The Graco Control Architecture Electric Components
are listed in Intertek's Directory of Listed Products.
3A5354B
EN

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Summary of Contents for Graco 25D117

  • Page 1 60 psi (0.4 MPa, 4 bar) Maximum Air Inlet Pressure for Air motor. Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. The Graco Control Architecture Electric Components are listed in Intertek’s Directory of Listed Products.

  • Page 2: Table Of Contents

    System Heat Up ......18 Graco Information ......50 Operation .

  • Page 3: Warnings

    Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
  • Page 4 Warnings WARNING MOVING PARTS HAZARD Moving parts can pinch, cut or amputate fingers and other body parts. • Keep clear of moving parts. • Do not operate equipment with protective guards or covers removed. • Pressurized equipment can start without warning. Before checking, moving, or servicing equipment, follow the Pressure Relief Procedure and disconnect all power sources.

  • Page 5: Overview

    All features of the warm melt supply system are con- • Zones 1 and 2 are always used for the heated trolled by Graco Control Architecture components: Tem- platen and the heated pump respectively. perature Control Modules (TCM) and the display module.

  • Page 6: Component Identification

    Component Identification Component Identification (Note: Do not use the motor lift ring to lift the entire system.) . 2: System Components Key: Ram Assembly Wet Cup Air Motor System Air Inlet Heated Displacement Lower Material Outlet Heated Platen Electrical Enclosure Air Controls (See F .
  • Page 7 Component Identification Air Controls • Main air ball valve (BA): turns air on and off to the • Air motor ball valve (BF): turns air on and off to system. When closed, the valve relieves pressure the air motor. When closed, the valve relieves air downstream.
  • Page 8 Component Identification User Interface User Interface Display Display Screen Components . 4 calls out the components shown on each display screen, including navigation (1), status (2), and general informational (3). Function Controller enable/disable Stop all system processes Defined by icon next to soft key .

  • Page 9: Installation

    Installation Installation The system should be lifted by the holes located on the air motor bracket (J). Perform the following steps to lift the supply system: All electrical wiring must be done by a qualified elec- 1. Remove the low level switch bar (T) from the left lift trician and comply with all local codes and regula- hole on the air motor bracket (J) tions.

  • Page 10: Grounding

    Installation Grounding To maintain grounding continuity when flushing or relieving pressure: hold the metal part of the dispense valve firmly to the side of a grounded metal pail, then Ground the supply system as instructed here and in the trigger the valve. individual component manuals.

  • Page 11: Connect Electrical Cord

    Installation Connect Electrical Cord NOTE: The installed strain relief bushing (SR) fits a 2. Open the electrical enclosure door (ED). 0.71-0.98 in. (18-25 mm) OD electrical cord. 3. Insert the electrical cord through the electrical 1. Turn the main power switch (MP) OFF. enclosure strain relief bushing (SR).

  • Page 12: Install/Adjust Drum Low Level Switch

    Installation Install/Adjust Drum Low Level J4 Connector Switch 1. Verify the power is off. 2. Install the low level switch (S) onto the air motor bracket (J) with two M5 washers and screws (MS). 3. Install the position bar (T) onto the air motor bracket with two M20 nuts (M20).

  • Page 13: Check Resistance

    • If the resistance exceeds 0.3 ohms after following the previous steps, contact Graco technical sup- 1. Make sure the power is off and the main power port. Do not operate the system until the problem switch (MP) is in the OFF position.
  • Page 14 Installation Heater Resistance Checks NOTE: Check the resistance at ambient room tempera- ture (63°– 77°F [17°– 25°C] Table 3: Resistance Chart of All Heaters Between Unit Range To reduce the risk of electric shock, conduct electrical Zone Component Terminals Voltage (ohms) checks with the main power switch (MP) OFF.

  • Page 15: Hose Installation And Care

    2000 Watts. Mechanical Setup Hose Installation 1. Fill displacement lower wet cup 2/3 full with Graco Throat Seal Liquid (TSL). 1. Connect the heated hose to the pump outlet. Con- nect with an adapter if the pump outlet and hose 2.

  • Page 16: Setup

    NOTICE factory-test oil from the system. If necessary, check Purge the system before performing the initial mate- with Graco or the material supplier for a recom- rial loading procedure. The system was fac- mended solvent. tory-tested using a light soluble oil, a soybean oil, or 4.

  • Page 17: Load Material

    Setup Load Material NOTICE Do not use a drum of material that has been dented or otherwise damaged; damage to the platen wiper can result. Moving parts can pinch or amputate fingers. When the pump is operating and when raising or lowering the ram, keep fingers and hands away from the pump intake, platen, and lip of the drum.

  • Page 18: System Heat Up

    Setup System Heat Up To prevent skin injection and splashing fluid from a burst hose, never pressurize the system while using warm melt materials before turning on heat. Many warm melt materials tend to expand when heating and may cause a heated hose to burst. Avoid the potential of bursting a hose by opening the dispense valve during system heat up and lock- ing the dispense valve trigger open every time you...
  • Page 19 Setup NOTE: Users can set up the language, temperature unit and weight unit, etc. before testing. 3A5354B...

  • Page 20: Operation

    Operation Operation 4. Set the ram director valve (BC) to the DOWN posi- tion. The ram will slowly drop. 5. After the ram reaches the bottom, jog the director Pressure Relief Procedure valve (BC) up and down to bleed air from the ram cylinders.

  • Page 21: Start And Adjust Pump

    Operation Start and Adjust Pump 1. Connect the pump outlet fittings and hose (not sup- plied). NOTE: Be sure all components are adequately sized and pressure rated to meet the system’s requirements. 2. Be sure the air motor ball valve (BF) is closed. Then set the ram air regulator to about 40 psi (0.28 MPa, 2.8 bar).

  • Page 22: Shutdown

    Operation Shutdown I ON Turning the system OFF relieves pressure from the pump motor. As the main ball valve is closed, the motor pressure is relieved through the hole on the ball valve shown in F . 19. However, this does not depressurize the fluid pressure.

  • Page 23: Maintenance

    Maintenance Maintenance Replace Throat Seals Quick Coupler Remove the wet cup (L) from the displacement lower (C) while attached to the ram (A) to replace the throat seals. 1. Ensure the displacement lower is at the bottom of the stroke. 2.

  • Page 24: Platen Maintenance

    Maintenance Platen Maintenance 8. Clear the blow off tube in the platen. Clean all parts of the valve and reassemble. 9. Remove the bleed stick (DE) from the platen. Push the bleed stick through the bleed relieve port (G) to remove material residue.

  • Page 25: Pump Heaters

    Maintenance Pump Heaters 4. Remove the pump heater front shroud. 5. Check for damaged wires and connections. 6. Follow these steps in reverse order to reassemble the pump heaters (PH). Ensure the heaters are secure so they cannot rotate on the pump. NOTE: Wait for the heaters (PH) to cool before perform- ing maintenance on the pump heaters.

  • Page 26: Electrical Enclosure

    Maintenance Electrical Enclosure 1. Turn the main power switch (MP) on the electrical control panel door to the OFF position to disconnect the power. 2. Open the door of the electrical enclosure. . 27: Inside View of Electrical Enclosure 3. Check for damaged or loose wires. Check the con- nections from the cable track.

  • Page 27: Troubleshooting

    Troubleshooting Troubleshooting The third digit, or sometimes the last digit of the error code, indicates which unit the error is active on. The “” (star) character indicates the code applies to multiple system components. Third or Last Digit “” Code Relates To: Unit A NOTE: Troubleshooting covered in this manual is spe- cific to warm melt heat functions.
  • Page 28 Troubleshooting Code Description Type Cause Solution A4 _ Alarm Verify the accessory is rated for 220 VAC. High Current Unit _ Defective or Zone _ shorted to Verify the heater resistance and check for ground on shorts to the ground. Replace as necessary. zone A7 _ Alarm...
  • Page 29 Troubleshooting Code Description Type Cause Solution T3 _ Deviation Verify the setpoint upstream is not hotter than High Temp. Unit _ Temperature this zone’s setpoint. Zone _ reading has risen too high T4 _ Alarm Verify the setpoint upstream is not hotter than High Temp.

  • Page 30: Repair

    Repair Repair 6. Disconnect air motor: Remove the screws and washers securing the motor (B) to the mounting bracket (J). See F . 29. Air Motor Remove Air Motor 1. Turn the main power switch (MP) OFF. 2. Perform the Pressure Relief Procedure on page 20 and follow the Pressure Relief Procedure in your pump manual.

  • Page 31: Displacement Lower

    Repair Displacement Lower 7. Open the main air ball valve (BA), then jog the direc- tion valve UP to separate the lower and the air motor. Lift the air motor to the highest position, and Remove Displacement Lower move the lower with the platen down from the ram base.

  • Page 32: Disconnect Platen From Pump

    Repair Disconnect Platen from Pump Connect Platen to Pump 1. Raise the ram up, leaving enough space to put the platen onto the base plate. 2. Put the platen under the lower and align it. Ensure the seal ring is installed onto the lower. NOTE: Allow the platen to cool before disconnecting from the pump.

  • Page 33: Replace Platen Heaters And Sensor O/T Device

    Repair Replace Platen Heaters and Sensor O/T Device 1. Turn the main power switch (MP) OFF. 2. Follow the steps to Disconnect Platen from Pump on page 32. 3. Remove the bleed stick (DE). . 36: Crimping Tool 4. Remove all four plugs (DA) on the guard (DC), then remove the nuts (DB) to disassemble the guard.

  • Page 34: Replace Pump Heaters And Sensor O/T Device

    Repair Replace Pump Heaters and Sensor O/T Device 1. Turn the main power switch (MP) OFF. 3. Remove the four screws from the back pump shroud. 2. Disconnect the cable connector (UB) from the pump receptacle (UA) on the pump shroud (UC). Screws .

  • Page 35: Replace Ram Piston Rod Seals

    Repair Replace Ram Piston Rod Seals 4. Disconnect the pump receptacle (UA) from the enclosure. 1. Turn the main power switch (MP) OFF. 2. Perform the Pressure Relief Procedure on page 3. Support the electrical enclosure (P) using a loop and a hoist.

  • Page 36: Electrical Enclosure

    Repair Electrical Enclosure 4. Remove the screws and nuts from the bottom bracket and side bracket of the enclosure. See F . 44. Power is still connected even after the main power switch (MP) is off. To avoid electric shock, avoid con- tact with the power line filter to reduce the risk of elec- tric shock.
  • Page 37 Repair Replace the Power Supply 2. Remove the four screws and nuts from the control board. 1. Disconnect both ends of the power supply (PS). . 46 NOTICE To avoid damaging the circuit board, wear a ground- ing strap. Nuts/ Screws 3.

  • Page 38: Display/User Interface

    The ADM will restart automati- cally. Upgrade Display Software NOTE: Order kit 17V779 for an upgrade token. See the ™ Graco Control Architecture Module Programming manual for instructions. Software token 17V779 is required to install the software before use. 1. Disconnect the power.
  • Page 39 Repair Replace Display NOTE: Order Kit 24E451 for replacement. Software token 16C027 is required to install software before use. NOTICE To avoid damaging the circuit board, wear a ground- ing strap. 1. Disconnect power. 2. Pull the display out of the bracket clips to remove it. 3.

  • Page 40: Electrical Schematics

    Electrical Schematics Electrical Schematics All electrical wiring must be done by a qualified elec- trician. Electrical Enclosure Schematic AMZ #1 LOW DRUM LEVEL SENSOR FAN+ 17U118 FAN- TEMP AI 1 AI 1 TEMP AI 2 AI 2 129197 AI 3 AI 4 117666 FILL...

  • Page 41: Typical Hose/Applicator Wiring

    Electrical Schematics Typical Hose/Applicator Wiring APPLICATOR HEATER & OVERTEMP HOSE HEATER HOSE OVERTEMP APPLICATOR RTD HOSE RTD Connects to CH1-4 on AMZ #1. Incoming Power 17M280 Connects to AMZ #1-J2 3A5354B...

  • Page 42: Pump And Platen Schematic

    Electrical Schematics Pump and Platen Schematic Cable from switch (36) included with heater (19). 3A5354B...

  • Page 43: Parts

    Parts Parts System and Supply Unit 25D117 and 26C258 NOTE: See Component Identification on page 6 to identify the components included in your Warm Melt supply system. Ref. Part Description Qty. Ref. Part Description Qty. 238909 WIRE, gounding assembly 25D092...

  • Page 44: Ram Kit 25D092

    Parts Ram Kit 25D092 Ref. Part Description Qty. Ref. Part Description Qty. 117 17T627 BRACKET, tiebar, ram, 3.0", silver 101 17K572 BASE, ram, dp 118 115287 TUBE, y, 1/4" 102 127669 SCREW, cap, flathead, M10X35 119 C12509 TUBE, nylon, rnd 21.5 103 127076 NUT, hex, flange, serrated, M10...

  • Page 45: Heated Platen 25D085

    Parts Heated Platen 25D085 211, 225, 226, 227 229, 220 228, 216 Ref. Part Description Qty. Ref. Part Description Qty. 222 24D153 PLATE, bottom, 20/30 l platen, 201 C20350 FITTING, elbow 90 deg warmmelt 202 122056 VALVE, check 223 17T371 SEAL, DIA3.53XID215.5 203 16N922 BASE, platen, 20-60 l, wm...

  • Page 46: Electrical Enclosure 25D113 And 26C257

    Parts Electrical Enclosure 25D113 and 26C257 331, 332, 307, 308 320, 321, 322 323, 324, 325 316, 317 331, 332, 333 320, 321, 322 320, 321, 322 Ref. Part Description Qty. Ref. Part Description Qty. 320 117028 SCREW, M6 301 25D112 ENCLOSURE, 300x400x210 (26C257 321 115226 WASHER, lock, spring, M6...

  • Page 47: Dimensions

    Dimensions Ram Up Ram Down Model in. (mm) in. (mm) in. (mm) in. (mm) in. (mm) in. (mm) in. (mm) 25D117 73 (1854) 52 (1320) 14 (356) 18 (457) 24 (610) 28 (711) 37 (940) 26C258 73 (1854) 52 (1320)

  • Page 48: Technical Specifications

    Technical Specifications Technical Specifications Warm Melt Supply System Metric Air Pressure and Fluid Pressure Air Pressure Operating Range (Air Cylinder) 100 psi 0.7 MPa, 7, bar Air Pressure Operating Range (Air Motor) 60 psi 0.4 MPa, 4 bar 70° C Maximum Fluid Operating Temperature 158°...
  • Page 49 Technical Specifications 3A5354B...

  • Page 50: Graco Standard Warranty

    With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

This manual is also suitable for:

26c258D20 3 inch dual post

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