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GO-M04 Gate Opener
OPERATOR'S GUIDE

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Summary of Contents for WORKMASTER GO-M04

  • Page 1 GO-M04 Gate Opener OPERATOR'S GUIDE...
  • Page 2 The user of this product is responsible to install, maintain and operate the product and parts or components manufactured or supplied by WORKMASTER in such a manner as to comply with all federal, state and local rules, ordinances, regulations and laws, including the Williams-Steiger Occupational Safety Act, and the American National Standards Institute Safety Code.
  • Page 3 SYMBOLS The following symbols are found throughout this Operator's Guide to alert the reader to the relative danger that may result from non-observance. This indicates a situation in which a hazard is imminent and will result in a high probability of serious injury or death.
  • Page 4: Table Of Contents

    TABLE OF CONTENTS SECTION PAGE Introduction Safety III. Supplied Materials Assembly Opening Car Gates Closing Car Gates VII. Extension Bars VIII. Servicing the GO-M04 Exploded View APPENDIX A: Specifications APPENDIX B: Torque PH: 866.476.9217...
  • Page 5: Introduction

    The GO-M04 Gate opener uses a geared action to open or close hopper car gates with a continuous 360° rotation in either clockwise (CW) or counter-clockwise (CCW) direction.
  • Page 6: Safety

    II. SAFETY To prevent injury to yourself or others, and/or damage to equipment, you should adhere to the following basic safety instructions. Read carefully the entire Operator's Guide prior to installing or operating equipment. Always follow proper precautions and use proper tools and safety equipment. Be sure to receive proper training.
  • Page 7: Supplied Materials

    III. SUPPLIED MATERIALS The GO-M04 comes shipped unassembled in its carry/storage bag. Prior to assembly, verify that all of the components are present and in good condition. Carrying Case Ratchet Wrench Assembly O-Ring Capstan Drive Fitting Operator's Guide PH: 866.476.9217...
  • Page 8: Assembly

    IV. ASSEMBLY Place the Ratchet Wrench Assembly on a clean, flat surface. Place the Capstan Drive Fitting over the Ratchet Assembly's 1-1/2" square drive anvil. Insert Pin (provided) into the Drive Fitting and Wrench's thru-hole. PH: 866.476.9217...
  • Page 9 Slide the O-Ring (provided) over the Drive Fitting until it seats into the Fitting's ring-groove. This stops the Pin from coming out. PH: 866.476.9217...
  • Page 10: Opening Car Gates

    V. OPENING CAR GATES Inspect and prepare the trackside worksite so that it will accommodate the practical and safe use of the GO-M04 Gate Opener. Disengage the Car Gate Locking Mechanism before attempting to open the gate. Failure to disengage the Car Gate Locking Mechanism will damage the Opener.
  • Page 11 Continued application of force will damage the Opener. CAUTION Do not use other opening devices (pry bars, multipliers, etc.) in an attempt to "help" the GO-M04 Opener. When the gate is fully open, stop ratcheting and remove the GO-M04 from the car's capstan socket. PH: 866.476.9217...
  • Page 12 Figure 1: F/R Direction Rotation Rotation PH: 866.476.9217...
  • Page 13: Closing Car Gates

    VI. CLOSING CAR GATES Inspect and prepare the trackside worksite so that it will accommodate the practical and safe use of the GO-M04 Gate Opener. Disengage the Car Gate Locking Mechanism before attempting to open the gate. Failure to disengage the Car Gate Locking Mechanism will damage the Opener.
  • Page 14 Opener. CAUTION Do not use other opening devices (pry bars, multipliers, etc.) in an attempt to "help" the GO-M04 Opener. When the gate is fully closed, stop ratcheting and remove the GO-M04 from the car's capstan socket. PH: 866.476.9217...
  • Page 15: Extension Bars

    VII. EXTENSION BARS An Extension Bar can be used to increase the GO-M04's torque output. In fact, the gears inside the GO-M04's ratcheting head are capable of generating up to 5,000 ft-lbs of torque. The addition of an extension Bar introduces a potential hazard if proper safety precautions are not followed.
  • Page 16: Servicing The Go-M04

    VIII. SERVICING THE GO-M04 When the GO-M04 is in-for-maintenance and the unit has been disassembled (partial or complete), the components should be cleaned and inspected for wear before reassembly of the Opener. Proper maintenance of equipment often depends upon the ability of a service technician to determine whether a part or assembly is worn to the point where it should be replaced.
  • Page 17 RIGHT STOPPER LEFT STOPPER PN: 33-M4004 PN: 33-M4005 Remove Stopper Springs [6]. Remove Left Stopper [5] and Right Stopper [4]. Remove Drive Gear [3]. After the parts have been cleaned, inspected and/or replaced, the GO-M04 can be reassembled. PH: 866.476.9217...
  • Page 18: Exploded View

    IX. EXPLODED VIEW Item Part # Description 33-M4001 Positioning Bolt 33-M4002 Cover Plate 33-M4003 Drive Gear 33-M4004 Right Stopper 33-M4005 Left Stopper 33-M4006 Spring 33-M4007 Drive Case 33-M4008 Direction Switch 33-M4009 Screw 33-M4010 33-M4011 Spring 33-M4012 Steel Ball 33-M4013 Handle 33-M4014 Release Pin 33-M4015...
  • Page 19: Appendix A: Specifications

    APPENDIX A: SPECIFICATIONS GO-M04 SPECIFICATIONS Model: GO-M04 Manual Gate Opener; 1-1/2” Sq Dr Power: Manual; Ratchet Wrench Working Torque: 400 ft-lbs Frame Dimensions: 36” L x 3.5” W x 2.25” D Finish Coating: Black Oxide Gate Opener Weight: 23.5 Lbs...
  • Page 20: Appendix B: Torque

    APPENDIX B: TORQUE Torque (T) is a "turning" or "twisting" force and differs from tension, which is created by a straight pull. Torque is the result of multiplying the value of the force (F) applied by the Distance from the point of application. The same torque result can be achieved with a lower force if the distance from the point of application is increased.
  • Page 21 NOTES PH: 866.476.9217...
  • Page 22 NOTES PH: 866.476.9217...
  • Page 23 NOTES PH: 866.476.9217...
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