Nordson AD-31 Series Customer Product Manual
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Nordson AD-31 Series Customer Product Manual

Extrusion handguns
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Series AD-31 and Series L4
Extrusion Handguns
Customer Product Manual
Part 107105C
04
Issued 5/05
NORDSON CORPORATION • DULUTH, GEORGIA • USA
www.nordson.com

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  • Page 1 Series AD-31 and Series L4 Extrusion Handguns Customer Product Manual Part 107105C Issued 5/05 NORDSON CORPORATION • DULUTH, GEORGIA • USA www.nordson.com...
  • Page 2 Accubar, Advanced Plasma Systems, AeroDeck, AeroWash, AquaCure, ATS, Auto-Flo, AutoScan, Check Mate, Controlled Fiberization, Control Weave, CPX, DispensLink, Dry Cure, DuraBraid, DuraCoat, DuraDrum, DuraPail, Easy Clean, Eclipse, E-Nordson, Equi=Bead, ESP, e.Stylized, Fill Sentry, HDLV, iFlow, iON, Iso-Flex, iTrend, iTRAX, Lacquer Cure, Lean Cell, Maverick, Maxima, MicroFin, MicroMax, Minimeter, Multifil, OptiStroke, PatternPro, PCI,...

  • Page 3: Table Of Contents

    ......... . . Part 107105C04 E 2005 Nordson Corporation...
  • Page 4 ........... Part 107105C04 E 2005 Nordson Corporation...

  • Page 5: Safety

    CAUTION: Indicates a potentially hazardous situation that, if not avoided, can result in minor or moderate personal injury. CAUTION: (Used without the safety alert symbol) Indicates a potentially hazardous situation that, if not avoided, can result in damage to equipment or property. Part 107105C04 E 2005 Nordson Corporation...

  • Page 6: Equipment Safety Information

    NOTE: Government regulations and industry standards dictate specific requirements for the isolation of hazardous energy sources. Refer to the appropriate regulation or standard. Part 107105C04 E 2005 Nordson Corporation...

  • Page 7: General Safety Warnings And Cautions

    General Safety Warnings and Cautions Table 1 contains the general safety warnings and cautions that apply to Nordson hot melt and cold adhesive equipment. Review the table and carefully read all of the warnings or cautions that apply to the type of equipment described in this manual.
  • Page 8 WARNING: Hazardous vapors! Before processing any polyurethane reactive (PUR) hot melt or solvent-based material through a compatible Nordson melter, read and comply with the material’s MSDS. Ensure that the material’s processing temperature and flashpoints will not be exceeded and that all requirements for safe handling, ventilation, first aid, and personal protective equipment are met.
  • Page 9 (contd) Equipment Warning or Caution Type WARNING: Risk of fire or explosion! Nordson adhesive equipment is not rated for use in explosive environments and should not be used with solvent-based adhesives that can create an explosive HM, CA, PC atmosphere when processed. Refer to the MSDS for the adhesive to determine its processing characteristics and limitations.

  • Page 10: Other Safety Precautions

    3. Do NOT attempt to remove the solidified hot melt from your skin. 4. In case of severe burns, treat for shock. 5. Seek expert medical attention immediately. Give the MSDS for the hot melt to the medical personnel providing treatment. Part 107105C04 E 2005 Nordson Corporation...

  • Page 11: Description

    65 to 230 _C (150 to 450 _F) provides additional application versatility. RTD-style L4 guns have thermostats that are wired in series with the heaters. For handling very thick adhesive, the AD-31 LBS extrusion handgun incorporates a large ball-and-seat and larger flow paths. Part 107105C04 E 2005 Nordson Corporation...

  • Page 12: Standard Features

    (0.025 to 0.156 in.) Electrical requirements 100; 115; 120; 200; 220/240 VAC, 50/60 Hz Weight 0.8 kg (1.75 lb) Dimensions L x D x W mm (in.): 187.5 x 160.3 x 41.1 (7.38 x 6.31 x 1.62) Part 107105C04 E 2005 Nordson Corporation...
  • Page 13 Replaceable cartridge RTD type (if applicable) 100-ohm platinum Temperature control Fixed, bimetallic thermostat with values from 93−218 _C (200−425 _F) or RTD sensor in gun with controller in melter, adjustable from 37−230 _C (100−450 _F) Part 107105C04 E 2005 Nordson Corporation...

  • Page 14: Handgun Selection

    C: Used with hoses having corrugated covers. Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Part 107105C04 E 2005 Nordson Corporation...

  • Page 15: Installation

    Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Installation WARNING: Allow only qualified personnel to perform the following tasks. Follow the safety instructions in this document and all other related documentation. This section provides safety and installation information for installing handguns. Part 107105C04 E 2005 Nordson Corporation...

  • Page 16: Hose/Gun Connection

    Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Figure 3 Proper Wire Alignment Part 107105C04 E 2005 Nordson Corporation...
  • Page 17 For handguns with electrical configurations A or B (refer to Table 6), repeat steps 4 and 5 to secure the other set of wires. Part 107105C04 E 2005 Nordson Corporation...

  • Page 18: Electrical Connections

    Figure 6 Wiring Diagram 1. Loosen the three screws from the RTD terminal block as shown in Figure 7. Insert wires I, H, and B, extending from the hose, into the RTD terminal block. Part 107105C04 E 2005 Nordson Corporation...
  • Page 19 2. Tighten the two terminal-block screws to 0.42 N•m (3.7 in.-lb). Do not overtighten. CAUTION: Do not pinch wires between the shells and the pivot sleeve. An electrical short can occur. 3. Replace the pivot sleeve shells and secure with screws. Part 107105C04 E 2005 Nordson Corporation...

  • Page 20: Configuration B: Ad-31 Rtd Style Other Than Series 5000

    RTD (Wire 3) Heater Figure 10 Wiring Diagram 1. Loosen the two screws from the RTD terminal block as shown in Figure 11. Insert wires 3 and 5, extending from the hose, into the terminal block. Part 107105C04 E 2005 Nordson Corporation...
  • Page 21 2. Tighten the two terminal-block screws to 0.42 N•m (3.7 in.-lb). Do not overtighten. CAUTION: Do not pinch wires when replacing the pivot-sleeve shells. An electrical short can occur. 3. Replace the pivot sleeve shells and secure with screws. Part 107105C04 E 2005 Nordson Corporation...

  • Page 22: Configuration C: Thermostat Style

    Wiring Diagram NOTE: The thermostatic sensor is factory prewired. 1. Loosen the two screws from the terminal block as shown in Figure15. Insert wires 1 and 3, extending from the hose, into the terminal block. Part 107105C04 E 2005 Nordson Corporation...
  • Page 23 RTD side of the pivot sleeve. Secure the wire by replacing and tightening the screw. Do not overtighten. CAUTION: Do not pinch wires between the shells and the pivot sleeve. An electrical short can occur. 5. Replace the pivot sleeve shells and secure with screws. Part 107105C04 E 2005 Nordson Corporation...

  • Page 24: Configuration D: Rtd-Style L4

    11, extending from the hose, into the terminal block. 3. Tighten the terminal-block screws to 0.42 N•m (3.7 in.-lb.), taking care not to overtighten. 4. Remove the ground screw from the pivot sleeve. Part 107105C04 E 2005 Nordson Corporation...
  • Page 25 2. Attach the switch plug assembly at the bottom of the handle to the connector on the hose cordset. Ì Ì Ì Ì 3. Refer to the melter manual to complete the hose installation to the melter. Figure 19 Connect the Electrical Switch Part 107105C04 E 2005 Nordson Corporation...

  • Page 26: Configuration E: Thermostat-Style L4

    CAUTION: When replacing the pivot-sleeve shells, do not pinch wires between the shells and the pivot sleeve. An electrical short can occur if wires are pinched. 6. Replace the pivot sleeve shells and secure with screws. Part 107105C04 E 2005 Nordson Corporation...

  • Page 27: Operation

    WARNING: Do not operate the handgun with its pivot sleeve shells or handles removed or damaged. The handgun contains voltages that can be fatal. CAUTION: Do not swivel or trigger the handgun while it is cold. Damage can occur. Part 107105C04 E 2005 Nordson Corporation...

  • Page 28: Startup

    1. Place the trigger lock in the unlocked position. See Figure 22. 2. Point the nozzle at the substrate. 3. Squeeze the handgun trigger to dispense adhesive. 4. Release the trigger to stop dispensing adhesive. Part 107105C04 E 2005 Nordson Corporation...

  • Page 29: Shutdown

    WARNING: Risk of death or serious injury from fire or toxic fumes. Cleaning fluids other than Type R may present a toxic or fire hazard even at room temperature. Part 107105C04 E 2005 Nordson Corporation...

  • Page 30: Daily Maintenance

    Daily Maintenance WARNING: Risk of death or serious injury from explosion or fire can occur if Nordson Type R fluid is heated above 245 _C (475 _F). Do not use Nordson Type R fluid on surfaces above 245 _C (475 _F).
  • Page 31 WARNING: Do not use Nordson Type R fluid on surfaces above 245 _C (475 _F). death or serious injury from explosion or fire can occur. 6. Place the nozzle in a container filled with Nordson Type R fluid (or equivalent) and heat the container to the adhesive’s melting point.

  • Page 32: Semiannual Maintenance

    CAUTION: Do not pinch wires between the shells and the pivot sleeve. An electrical short can occur. 6. Replace the pivot sleeve shells and tighten the screws. 7. Restore the system to operation. Part 107105C04 E 2005 Nordson Corporation...

  • Page 33: Troubleshooting

    Follow the safety instructions in this document and all other related documentation. This section provides answers to the most common problems that you may encounter. If you cannot solve the problem with the answers in this section, contact your Nordson representative for help. Troubleshooting Table Problem Possible Cause...
  • Page 34 Troubleshooting Table (contd) Problem Possible Cause Corrective Action Failed RTD Test RTD using Nordson hose/gun diagnostic device (P/N 132846). Replace if defective (refer to Replace the RTD in Repair). For appropriate RTD resistance ranges, see Figure 25 or 26. Handgun fails to heat...
  • Page 35 38 _C (28 _F) (36 _F) (44 _F) (52 _F) (60 _F) (68 _F) (76 _F) (84 _F) (92 _F) (100 _F) 4203089 Figure 25 RTD Resistance vs. Temperature Chart for AD-31 Handguns (nickel RTDs) Part 107105C04 E 2005 Nordson Corporation...

  • Page 36: Repair

    This section contains instructions for replacing handgun components. The instructions describe how to replace the RTD (resistance temperature detector) and thermostatic sensors, heater cartridge, packing cartridge, and swivel bearing how to adjust the trigger and electrical switch Part 107105C04 E 2005 Nordson Corporation...

  • Page 37: Replace The Rtd

    NOTE: Figure 28 shows a typical handgun. Details may vary depending upon the gun model. Typical RTD Removal RTD Removal for a 3−Station Terminal Block Figure 28 Remove the Pivot Sleeve Shells (typical gun shown Part 107105C04 E 2005 Nordson Corporation...

  • Page 38: Replace The Thermostat

    WARNING: Hot! Risk of burns. Wear long-sleeved, heat-protective clothing; safety goggles; and heat-protective gloves. 1. Relieve system pressure. Refer to Safety. WARNING: Even when switched off, Nordson melters and guns contain electrical potentials that can cause death. Disconnect and lock out input power to the melter main circuit breaker.

  • Page 39: Replace The Heater Cartridge

    1. Disconnect and lock out input power to the melter main circuit breaker. 2. See Figure 27. Place the trigger in the locked position. 3. Use a Phillips screwdriver and unscrew the screws holding the pivot sleeve shells together. Part 107105C04 E 2005 Nordson Corporation...
  • Page 40 5. Install the replacement heater cartridge, and connect the heater cartridge wires to the terminal block as shown in Figure 32. 6. Replace the pivot sleeve shells. Insert and tighten the screws holding the shells together. 7. Restore the system to normal operation. Part 107105C04 E 2005 Nordson Corporation...

  • Page 41: Replace The Swivel Bearing

    18-mm ( -in.) wrench. CAUTION: Handle the handgun carefully to avoid undue strain to the internal wiring or hose cordset. Ì Ì Ì Ì Figure 34 Removing the Hose from the Handgun Part 107105C04 E 2005 Nordson Corporation...

  • Page 42: Remove The Swivel Bearing

    2. Slide the pivot sleeve onto the gun body and sleeve bearing. 3. Inspect the swivel connector, o-ring, and backup ring for pitting, hardening, or other damage. Replace if damaged. Figure 37 Replace the Sleeve Bearing Part 107105C04 E 2005 Nordson Corporation...
  • Page 43 9. See Figure 39. Align the pivot sleeve and the hose with each set of wires exiting the hose. Make sure to route the set of wires containing the ground wire up the groove on the heater side of the pivot sleeve. Part 107105C04 E 2005 Nordson Corporation...
  • Page 44 13. Attach the switch’s plug at the bottom of the trigger handle to the connector on the hose. 14. Replace the pivot sleeve shells. Insert and tighten the screws holding the shells together. 15. Restore the system to normal operation. Part 107105C04 E 2005 Nordson Corporation...

  • Page 45: Replace The Packing Cartridge

    4. Loosen the trigger linkage using two 10-mm ( -in.) wrenches. Place one wrench on the locknut, the other on the trigger linkage, and turn the linkage to loosen. Figure 41 Loosen the Trigger 1. Locknut 2. Trigger linkage Part 107105C04 E 2005 Nordson Corporation...
  • Page 46 Apply silicone lubricant to the packing cartridge. 9. Place the seal ring over the packing cartridge, the seat over the seal ring, and torque the seat to 34 N•m (25 ft-lb). Attach the nozzle to the seat. Part 107105C04 E 2005 Nordson Corporation...

  • Page 47: Adjust The Trigger

    (where the gun body meets the brass 3 7/16 in. fitting) is 87 mm (3 in.). 6. Lock the linkage in place by tightening the locknut. 7. Replace the gun handle shells. 8. Restore the system to normal operation. Part 107105C04 E 2005 Nordson Corporation...

  • Page 48: Adjust The Trigger Electrical Switch

    NOTE: The ohmmeter should indicate continuity when the packing cartridge shaft begins to move. 8. If continuity does not exist, loosen the switch’s mounting screws and slide the switch toward or away from the trigger until continuity is indicated. See Figure 46. Part 107105C04 E 2005 Nordson Corporation...

  • Page 49: Replace An Existing Gun

    Replace an Existing Gun Remove the Existing Handgun CAUTION: The Nordson handgun, sensor, and cordset are not compatible with similar components of other brands. Install a cordset conversion kit. Possible hazards include runaway temperature and failure to obtain an adequate ground.

  • Page 50: Install The New Handgun

    1. Align the pivot sleeve and the hose so that the grooves along the sides of the pivot sleeve line up with each set of wires exiting the hose. Part 107105C04 E 2005 Nordson Corporation...
  • Page 51 5. Refer to Electrical Connections in Installation to complete installation. 6. Attach the electrical switch’s plug (if applicable) to the connector on the hose. 7. Replace the pivot sleeve shells. 8. Replace the nozzle. Part 107105C04 E 2005 Nordson Corporation...

  • Page 52: Check For Leaks

    5. On gear-pump units, increase motor speed to normal operating speed and check for leaks. On all other units, slowly restore air pressure to the melter to 0.28 MPa (40 psi) and check for leaks. 6. Tighten fittings as necessary. 7. Resume normal operation. Part 107105C04 E 2005 Nordson Corporation...

  • Page 53: Using The Illustrated Parts Lists

    A dash in this column indicates that the item is an assembly. The number in the Part column is the Nordson part number you can use to order the part. A series of dashes indicates that the part is not saleable.

  • Page 54: Handgun Parts Lists

    Screw, pan, 8-32 x 1.25 in. 271688 Connector, swivel, in. hose 271625 Heater, 230 VAC, 60W, 0.38 D x 1 in. L A, C 938130 Heater, 240 VAC, 80W, 0.375 D x 1 in. L Continued... Part 107105C04 E 2005 Nordson Corporation...
  • Page 55 D: Apply threadlocking adhesive P/N 900470. E: RTD gun uses qty. 1, thermostat guns use qty. 2. F: Available only as part of a kit. See item 21. G: Apply high-temperature grease, P/N 900301. Continued... Part 107105C04 E 2005 Nordson Corporation...
  • Page 56 AD-31 Hand Guns AD-31 Model K Handgun Parts (contd) Figure 49 AD-31 Model K Handgun Parts Part 107105C04 E 2005 Nordson Corporation...
  • Page 57 AD-31 Hand Guns This page intentionally left blank. Part 107105C04 E 2005 Nordson Corporation...

  • Page 58: Ad-31 Models B And C Handgun Parts

    A, C 981082 Screw, pan, 8-32 x 1.25 in. 271688 Connector, swivel, in. hose A, B 271687 Connector, swivel, in. hose 271625 Heater, 230 VAC, 60W, 0.38 D x 1 in. L A, C Continued... Part 107105C04 E 2005 Nordson Corporation...
  • Page 59 D: Apply threadlocking adhesive P/N 900470. E: RTD gun uses qty. 1, thermostat guns use qty. 2. F: Available only as part of a kit. See item 21. G: Apply high-temperature grease, P/N 900301. Continued... Part 107105C04 E 2005 Nordson Corporation...
  • Page 60 AD-31 Hand Guns AD-31 Models B and C Handgun Parts (contd) 4203054A Figure 50 AD-31 Models B and C Handgun Parts Part 107105C04 E 2005 Nordson Corporation...
  • Page 61 AD-31 Hand Guns This page intentionally left blank. Part 107105C04 E 2005 Nordson Corporation...

  • Page 62: Ad-31 Models A, T And Tl Handgun Parts

    Heater, 240 VAC, 80W, 0.375 D x 1 in. L 981000 Screw, fillister, 5-40 X 0.25 in. 937257 Thermostat, 190 _C (375 _F) 981011 Screw, fillister, 6-32 X 0.25 in. 271615 Sleeve, bearing 271619 Safety, gun Continued... Part 107105C04 E 2005 Nordson Corporation...
  • Page 63 B: Used with handgun P/N 271612. C: Used with handgun P/N 274752. D: Used with handgun P/N 274765. E: Available only as part of a kit. See item 19. F: Apply high-temperature grease, P/N 900301. Continued... Part 107105C04 E 2005 Nordson Corporation...
  • Page 64 AD-31 Hand Guns AD-31 Models A, T and TL Handgun Parts (contd) 4203052A Figure 51 AD-31 Models A, T, and TL Handgun Parts Part 107105C04 E 2005 Nordson Corporation...
  • Page 65 AD-31 Hand Guns This page intentionally left blank. Part 107105C04 E 2005 Nordson Corporation...

  • Page 66: Ad-31 Models D, L, E And P Handgun Parts

    271631 Spring, conical 983102 Washer, lock, split, 8 981080 Screw, fillister, 8-32 x 1.25 in. 272791 Connector, swivel, in. hose A, B, C 274084 Connector, swivel, in. hose D, E Continued... Part 107105C04 E 2005 Nordson Corporation...
  • Page 67 C: Used with handgun P/N 274419. D: Used with handgun P/N 276028. E: Used with handgun P/N 274940. F: Available only as part of a kit. See item 18. G: Apply high-temperature grease, P/N 900301. Continued... Part 107105C04 E 2005 Nordson Corporation...
  • Page 68 AD-31 Hand Guns AD-31 Models D, L, E and P Handgun Parts (contd) 4203053 Figure 52 AD-31 Models D, L, E, and P Parts Part 107105C04 E 2005 Nordson Corporation...
  • Page 69 AD-31 Hand Guns This page intentionally left blank. Part 107105C04 E 2005 Nordson Corporation...

  • Page 70: L4 Handgun Parts

    J, K, L, M 1028826 Kit, RTD, 100 ohms A, G, H, K, M 981000 Screw, fillister, 5-40 X 0.25 in. 937254 Thermostat, 149 _C (300 _F) 937256 Thermostat, 177 _C (350 _F) Continued... Part 107105C04 E 2005 Nordson Corporation...
  • Page 71 H: Used with handgun P/N 1020535. I: Letter not used. J: Used with handgun P/N 1020536. K: Used with handgun P/N 182034. L: Used with handgun P/N 1020538. M: Used with handgun P/N 182035. Continued... Part 107105C04 E 2005 Nordson Corporation...
  • Page 72 AD-31 Hand Guns L4 Handgun Parts (contd) RTD guns only RTD guns only 4203266A Figure 53 L4 Handgun Parts Part 107105C04 E 2005 Nordson Corporation...

  • Page 73: Recommended Spare Parts

    H: Used with AD-31 handgun model L (part 274419). I: Used with AD-31 handgun model E (part 276028). J: Used with AD-31 handgun model P (part 274940). K: Apply a high-temperature grease P/N 900301. Part 107105C04 E 2005 Nordson Corporation...

  • Page 74: L4 Handgun Spare Parts List

    J: Used with L4 handgun part 1020536. K: Used with L4 handgun part 182034. L: Used with L4 handgun part 1020538. M: Used with L4 handgun part 182035. N: Apply a high-temperature grease P/N900301. Continued... Part 107105C04 E 2005 Nordson Corporation...

  • Page 75: Extrusion Nozzles

    (engagement) affect adhesive flow. Adhesive flows more quickly as the orifice diameter increases. Adhesive flow decreases as engagement is lengthened. Contact a Nordson representative for assistance in nozzle selection. Male-Threaded Standard Engagement Nozzles, Small...

  • Page 76: Male-Threaded Extended Engagement Nozzles, Large Ball-And-Seat

    271684 Nozzle, 0.125 in. dia. 271685 Nozzle, 0.156 in. dia. Accessories Part Description 270755 Type R fluid, 1 gal. 900301 Grease, lubricating, silicone, 150 g (5.3 oz) 900470 Threadlocking adhesive 901915 Nozzle cleaning kit Part 107105C04 E 2005 Nordson Corporation...

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