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GUSMER AR-C Operating Manual

Pour gun
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"Teamwork & Communication"
Model AR-C/D
Pour Gun
Operating Manual
4943-1-C/D
April 15, 1999
Issue 2
®
GUSMER CORPORATION
A Subsidiary of Gusmer Machinery Group, Inc.
One Gusmer Drive
Lakewood, New Jersey, USA 08701-8055
Toll Free 1-800-367-4767 (USA & Canada)
Phone: (732) 370-9000
Fax: (732) 905-8968
®
Copyright 1999, GUSMER CORPORATION
http://www.gusmer.com
NOTICE: This manual contains important information for your GUSMER equipment. Read and retain for future reference.

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Summary of Contents for GUSMER AR-C

  • Page 1 One Gusmer Drive Lakewood, New Jersey, USA 08701-8055 Toll Free 1-800-367-4767 (USA & Canada) Phone: (732) 370-9000 Fax: (732) 905-8968 ® Copyright 1999, GUSMER CORPORATION http://www.gusmer.com NOTICE: This manual contains important information for your GUSMER equipment. Read and retain for future reference.
  • Page 2 Statements or suggestions concerning possible use of GUSMER equipment are made without representation or warranty that any such use is free of patent infringement, and are not recommendations to infringe any patent. The user should not assume that all safety measures are indicated or that other measures may not be required.

  • Page 3: Table Of Contents

    Operating Manual Contents CONTENTS LIST OF FIGURES..................... 4 LIST OF TABLES ...................... 5 WARRANTY....................... 6 GENERAL SAFETY INFORMATION ..............7 ................... 7 CCEPTABLE QUIPMENT ................8 PERATIONAL AFETY ROCEDURES GENERAL DESCRIPTION ..................9 ..................10 RINCIPLES OF PERATION ..................13 UTOMATIC ANDLE EXTENSIVE MAINTENANCE PROCEDURE ............

  • Page 4: List Of Figures

    Model AR-C/D Pour Gun LIST OF FIGURES " " ......... 9 IGURE ALVING TOP IN THE CLOSED OR SERVICE POSITION ............... 10 IGURE OUPLING LOCK ONFIGURATIONS ..................10 IGURE OD AND HROAT ................. 11 IGURE MPINGEMENT OF HEMICALS ..................12...

  • Page 5: List Of Tables

    IGURE EEPAGE 42 P ..............31 IGURE ATTERN ONTROL SSEMBLY 43 I ..............32 IGURE NSERTING ATTERN ONTROL 44 P ................32 IGURE ATTERN ONTROL LIST OF TABLES AR-C-.250 ..............34 ABLE MPINGER ACKAGE AR-D-.375..............34 ABLE MPINGER ACKAGE 4/15/99...

  • Page 6: Warranty

    Gusmer through the sale, lease, or rental of Product in no way expresses or implies a license for the use of, nor encourages the infringement of any patents or licenses.

  • Page 7: General Safety Information

    Under no circumstances should any acid or corrosive chemicals be used in the unit. Consult GUSMER if there is any doubt about the compatibility of the chemical system to be used in this equipment.

  • Page 8: Operational Safety Procedures

    Model AR-C/D Pour Gun Operational Safety Procedures This safety information will not be repeated in the text of this manual. The symbols pertaining to this information will appear where appropriate to alert the operator to potential hazards. WARNING: T HE SOVENTS AND CHEMICAL USED WITH THIS EQUIPMENT EXPOSE THE...

  • Page 9: General Description

    Operating Manual General Description GENERAL DESCRIPTION The SR Pour Gun can be considered as consisting of four major detachable components: Gun Handle, Air Cylinder, Coupling Block, and Gun Block or Mixing Head. The Gun Handle is a cast aluminum housing containing a re rebuildable Air Valve, a Switch, and its associated Electrical Connector.

  • Page 10: Principles Of Operation

    Model AR-C/D Pour Gun The Heated Hose hydraulic fittings are assembled into the Coupling Block in two different configurations. The 90 degree Coupling Block will align the Hose at a 90 degree angle to the vertical of the Gun Block and is appropriate where the Gun is suspended from an overhead position.

  • Page 11: Figure 4 Impingement Ofc

    Operating Manual General Description As you can see in this blown-up cross-sectional view of the Rod and Throat, the dimension of the hole in the Throat through which the Rod must pass is less than the normal outside diameter of the Rod, thereby creating an "interference" fit with the Rod. The Rod's construction plays an important role in how this works.

  • Page 12: Figure 5 Mixing Process

    Figure 6 Font Impinger from Gusmer. It is extremely important that these parts are used in properly matched sets. Identification numbers, which can be found on all Impingers, are provided to avoid mismatching. While Impingers have not been engineered to meet the needs of every conceivable system or application, they will be made available as demand warrants.

  • Page 13: Automatic Gun Handle

    Automatic Gun Handle The Automatic Gun Handle has been designed for use with Gusmer's TX-50 Microprocessor, an Automatic Timer, or Stroke Counter/Encoder Unit. It is necessary when precise control of the amount of material dispensed is required. The advantage of this system is the rapid valving action, which is attained with the Automatic Handle plus the convenience of integrating the components into a lightweight compact unit.
  • Page 14 Valving Rod moves forward to the closed position. The electric power to operate the solenoid valve is supplied from the Gusmer TX-50 Microprocessor Automatic Timer or Volume Counter. The Gun Switch serves two distinct purposes. When used in conjunction with the Gusmer TX-50 Automatic Timer selection, the Gun Switch signals the Timer to start.

  • Page 15: Figure 11 Control Plugp

    Operating Manual General Description Figure 11 Control Plug Positions WARNING: W HEN THE MODE SELECTOR IS IN THE AUTO POSITION THE EFFECT WILL BE THE SAME AS MANUALLY DEPRESSING THE TRIGGER LEVER HEREFORE WHENEVER ELECTRICAL POWER IS APPLIED TO THE GUN THE GUN WILL OPEN To prevent accidental operation of the Gun, it is VERY IMPORTANT that the following steps are accomplished during any shutdown:...

  • Page 16: Extensive Maintenance Procedure

    Model AR-C/D Pour Gun EXTENSIVE MAINTENANCE PROCEDURE Gun Service This section of the Manual has been prepared to acquaint the operator with the suggested procedures for servicing the Gun. Your attention is drawn to the degree of proficiency with which the valving mechanism in the Gun must perform to make foaming in place practical.

  • Page 17: Figure 12 Example Of Typical

    Operating Manual Extensive Maintenance Procedure there is a continuous supply of both materials and each is at a pressure greater than the materials in the mixing chamber area. Then this lower pressure material in the mixing chamber area can only go out the front of the Gun. By contrast, however, a momentary interruption of flow of one material will allow the material in the chamber area to flow back toward the Proportioner through the Impinger Slots.
  • Page 18 Before proceeding with the following procedures, familiarize yourself with Figure 13 Model AR-C/D Gun Block Components and Figure 14. AR-C/D Gun Tool Kit (shown on the next two pages), so that you may relate to them as you read this section of the Manual.

  • Page 19: Gun Block Components

    Operating Manual Extensive Maintenance Procedure Gun Block Components Figure 13 Model AR-C/D Gun Block Components Pattern Control Tip 12. Resin Seal Screw O-Ring 13. O-Ring Front Packing 14. Resin Packing Front Impinger 15. A – Port Closure Screw Throat 16. Gun Block Screen Rear Impinger 17.

  • Page 20: Equipment Supplied

    Model AR-C/D Pour Gun Equipment Supplied Figure 14. AR-C/D Gun Tool Kit Tools Required 1. Flush Can 8. Throat Wrench 2. Impinger Cleanout Brush 9. Pattern Control Tip Front Impinger Packing Seal Cleanout Tool 3. 5/16” Nut Driver 10. Gasket Removal Tool 4.

  • Page 21: Disassembly And Cleaning Of Gun

    Operating Manual Extensive Maintenance Procedure Disassembly and Cleaning of Gun ARNING HEN SERVICING OR OPERATING THE EQUIPMENT SUFFICIENT PROTECTIVE CLOTHING SHOULD BE WORN TO PREVENT PROLONGED SKIN CONTACT WITH CHEMICALS OR SOLVENTS USED IN OR WITH THIS EQUIPMENT WARNING: P LEASE READ AND FOLLOW THESE INSTRUCTIONS CAREFULLY Y DOING SO YOU WILL NOT ONLY AVOID FAULTY OPERATION...

  • Page 22: Figure 17 Pattern Control Tip

    Model AR-C/D Pour Gun 3. REMOVE THE PATTERN CONTROL TIP - WARNING: I T IS ESSENTIAL THAT THE GUN BE TRIGGERED TO THE SERVICE POSITION WHILE REMOVING THE ATTERN ONTROL THERWISE THE TURNING MOTION OF THE ATTERN ONTROL IP MAY DAMAGE THE...

  • Page 23: Figure 19 Spring Retainer Case

    Operating Manual Extensive Maintenance Procedure 5. REMOVE THE VALVING ROD ASSEMBLY - WARNING: I NADVERTENT ACTUATION OF THE RIGGER EVER WITH THE TWO POSITION ALVING DJUSTMENT ASE REMOVED FROM THE UN COULD CAUSE SERIOUS INJURY Remove the Spring Retainer Case by grasping the handle firmly and pushing in on the Retainer Case with the palm of the hand.

  • Page 24: Figure 21 Coupling Blockr

    Model AR-C/D Pour Gun 8. REMOVE THE GUN FROM THE COUPLING BLOCK – Remove the Coupling Block Mounting Screw using the 5/16: Nut Driver. Carefully separate the gun from the Coupling Block and flush both material ports on the face of the Coupling Block to prevent material buildup.

  • Page 25: Figure 24 Flush Gun Block

    Operating Manual Extensive Maintenance Procedure 12. Place the removed Throat and Resin Impinger Assembly into a container of gun cleaner. Flush entire Gun Block with gun cleaner. Be sure to seal the open hole in Resin (Rear) Seal Screw when flushing the gun. This will prevent Gun Cleaner from contacting the Air Cylinder ports behind the Gun Block.

  • Page 26: Figure 26 Removing Impinger From

    Model AR-C/D Pour Gun 15. THROAT AND POLYOL (REAR) IMPINGER ASSEMBLY – Remove the Polyol (rear) Impinger from the Throat. Hold the Throat in place on the Throat Wrench and using the Rear Impinger Wrench loosen the Impinger from the Throat. Continue unthreading the Polyol (Rear) Impinger by Hand.

  • Page 27: Figure 29 Pattern Control Tip

    Operating Manual Extensive Maintenance Procedure In order to clean the Pattern Control Tip the Packing and Impinger must be removed. After continued use, the Packing may be difficult to remove. If Careful not to damage it, pliers may be used to remove the Impinger.

  • Page 28: Expanded Assembly Procedures

    Model AR-C/D Pour Gun XPANDED SSEMBLY ROCEDURES 1. INSPECT THE GUN BLOCK AND GUN BLOCK PARTS BEFORE ASSEMBLY – proper operation of the Gun requires that all parts are clean and undamaged. Carefully inspect the threads within the Block for cleanliness.
  • Page 29 Operating Manual Extensive Maintenance Procedure 6. ASSEMBLE VALVING ROD INTO GUN – Insure Valving Rod Coupler is snug and insert Valving Rod Assembly into rear of the Air Cylinder. Align the slot on the Rod with the pin in the Cylinder and push the Valving Rod Assembly all the way forward and rotate 180°.
  • Page 30 Model AR-C/D Pour Gun Actuate the Trigger Lever and observe Resilient Sleeve position. It should protrude about 1/8” (3.175 mm) from the front face of the Throat. Figure 37 Resilient Sleeve Protrusion Release the Trigger Lever. Move Valving Rod Adjustment Knob to the “open”...
  • Page 31 Operating Manual Extensive Maintenance Procedure With the Two-Position Stop in the “service” position actuate the Trigger Lever and determine if weepage occurs in this position. Figure 40 No Weepage NOTE: If throat is not properly seated in the Gun Block, leakage of material will occur around the outer If weepage is observed in either test circumference of the Throat.
  • Page 32 Model AR-C/D Pour Gun 11. ASSEMBLE PATTERN CONTROL TIP ASSEMBLY ON THE GUN BLOCK – Turn the Valving Rod Adjustment Knob to the service position. Depress Trigger Lever and thread the Pattern Control Tip into the Gun Block By hand.

  • Page 33: Appendix

    (AR Pour Gun Differences) ENERAL There are two Gusmer Model AR Pour Guns; the AR-C or .250"(.635cm) Gun and the AR-D or .375" (.953cm) Gun. The operational principle and the majority of their component parts are identical to one another. The significant difference between the two Guns is the size of the through hole in the centerline Mixing Chamber components and the size of the Piston in the Air Cylinder Assembly.
  • Page 34 Model AR-C/D Pour Gun Appendix B (Tables) AR-C-.250 ABLE MPINGER ACKAGE Impinger (C Size) Orifice Area Factor Front Rear 4152A-23-B-1-C 4154-23-B-1-C 4152A-33-B-1-C 4154-33-B-1-C 1200 4152A-33-C-1-C 4154-33-C-1-C 1800 4152A-34-C-1-C 4154-34-C-1-C 2400 4152A-46-B-1-C 4154-46-B-1-C 3000 4152A-36-C-1-C 4154-36-C-1-C 3600 4152A-46-C-1-C 4154-46-C-1-C 4500 4152A-48-C-1-C...

  • Page 35: Appendixc

    Operating Manual Appendix Appendix C (Check List for Maintenance Procedures) WARNING: B AR P EFORE ATTEMPTING TO SERVICE THE UN BY REFERENCE TO THE FOLLOWING CHECKLISTS THE OPERATOR MUST BE THOROUGHLY FAMILIAR WITH THE XTENSIVE AINTENANCE ROCEDURES DISCUSSED IN THE PREVIOUS SECTION OF THIS ANUAL ISASSEMBLY AND CLEANING OF 1.
  • Page 36 Model AR-C/D Pour Gun NOTES 4943-1-C/D, Issue 2...

  • Page 37: Instruction Manual Discrepancy Report

    Date of Issue Page Number Discrepancy Instructions: Complete the above fields of the form by following the instructions listed on the reverse side of this sheet and mail to: Gusmer Corporation One Gusmer Drive PO Box 2055 Lakewood, NJ 08701 4/15/99...
  • Page 38 Model AR-C/D Pour Gun Field Field Title Description Number Date Enter date report is submitted. Name Enter name of person making report. IM Number Enter the Part Number of the Instruction Manual from the title page. Issue Number Enter the Issue number of the Instruction Manual from the title page. If there is no issue number enter NONE.

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