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The manual details how the Electronic Gate Monitor (EGM) protects the mechanism by monitoring generated voltage, de-energizing internal relays, and routing to the braking circuit when over-voltage, pumping, obstruction, or power-loss crash events occur. It also provides voltage and LED indicators behavior, reset methods, and setup guidance for safe gate arm service and operation.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/model-10-signals-service-and-installation-manual-for-model-10-signals-equipped-with-3597-b-gate-mechanisms/640395/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/model-10-signals-service-and-installation-manual-for-model-10-signals-equipped-with-3597-b-gate-mechanisms/640395.png","ImageObject",300,407,{"name":92,"@type":93},"Bintang","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-26","2026-10-22",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the Electronic Gate Monitor (EGM) and what does it protect against?","Question",{"text":112,"@type":113},"The EGM monitors voltage and de-energizes internal relays when failure conditions occur. It protects the gate mechanism from damage during events such as counterweight crashes after the gate arm is knocked off, gate arm crashes from power loss, gate arm pumping, and motor overload due to an obstructed gate arm.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What voltage supply and operating range are specified for the 3597-B gate mechanism?",{"text":117,"@type":113},"The mechanism operating voltage is 12 VDC nominal, and supply voltage should be maintained between 11 and 16 VDC. The manual also states controller terminal voltage should not drop below 11 VDC during operation.",{"name":119,"@type":110,"acceptedAnswer":120},"How does the EGM indicate a fault condition and how can it be reset?",{"text":121,"@type":113},"Under normal conditions the EGM green LED illuminates; when a failure causes the EGM to de-energize the relays, the green LED goes dark. The reset signal is sent to the EGM each time a gate clear command is received from the control case, and the manual also notes a push-button on the EGM can reset a fault condition.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},640395,1793051737,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},962085564381,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","Service and  \nInstallation  \nManual for Model 10 Signals Equipped With 3597-B Gate Mechanisms  \nU.S. Patent Number: 6,307,339  \nWestern-Cullen-Hayes Inc. 2700 West 36th Place, Chicago, Il 60632 Phone: 773-254-9600 Fax: 773-254-1110  \n[Web Site:](Web Site: www.wch.com)[ ](Web Site: www.wch.com)[www.wch.com](Web Site: www.wch.com)  \nRevision Date 5/2023  \nTABLE OF CONTENTS  \nIntroduction 1  \nSection 1- Technical Sequence of Operation and Wiring Requirements 2  \nSequence of Operation 2  \nEGM Controlled Fault Operations 4  \nWiring Requirements, Voltage Drop Table 7  \n3597 Wiring Diagram 8  \nSection 2- Installation Instructions, Model 10 Signal 9  \nFoundation and Junction Box Base Details 9  \nModel 10 Signal 10  \nMechanism Support Installation 11  \nHorizontal and Vertical Stop Details 12  \nCounterweight and Sidewalk Support Arm Installation 13  \nGate Arm and Break-Away Adapter Installation 13  \nGate Light Installation 15  \nCounterweight Installation 15  \nCounterweight Adjustments 16  \nHorizontal Torque Specification 17  \nWeight and Vertical Torque Tables 21  \nSection 3-  \nInternal Adjustments 24  \nGate Descending Adjustments 24  \nHorizontal Gate Position Adjustments 24  \nSnub Contact Cam Adjustment 24  \nHorizontal Stop Adjustment 24  \nContact Cam Information 25  \nVertical Gate Position Adjustments 26  \nVertical Stop Adjustment 26  \nGate Up, Gate Down and Gate Clear Contact Cam Adjustments 26  \nContact Gap and Tension Adjustments 26  \nSection 4-  \nGeneral Maintenance 29  \nService and Tests 29  \nSupply Voltage Checks 29  \nBrake Release Test 30  \nRelay Power Specifications 31  \nObstruction Test 31  \nEGM By-Pass Procedure 31  \nEGM Set Point Adjustment 32  \nGate Arm Service Instructions (Raising Weights) 32  \nSetup Checklist 33  \nLubrication Recommendations 34  \nSection 5- Motor Brush Information 34  \nSection 6- Optional Equipment 34  \nReplacements Parts Listings 35  \nBrake Information 39  \nSet-Up and Adjustment Tools 46  \nGate Gard Installation Instructions 47  \nTHE 3597-B GATE MECHANISM FROM WESTERN-CULLEN-HAYES, INC.  \nU.S. Patent 6,307,339  \nThe 3597-B offers the same proven reliability as previous Western-Cullen-Hayes mechanisms but with the added performance of our patented Electronic Gate Monitor (EGM), and new gear motor with brake configuration.  \nThe Electronic Gate Monitor protects the mechanism from damage if:  \n• The counterweights crash after the gate arm is knocked off.  \n• The gate arm crashes down caused by loss of power.  \n• The gate arm pumps.  \n• The motor overloads due to an obstructed gate arm.  \nThe Model 3597-B also features, as standard, a power down and test switch that operates the mechanism to the horizontal position without a gate arm in place. This switch enables signal maintenance personnel to replace a damaged gate arm safely.  \nThe set up and service of the 3597-B is quite different than any other mechanism. Carefully read and follow the instructions in this manual to insure the proper set up and operation of the 3597-B Gate Mechanism.  \nSECTION 1  \nTECHNICAL SEQUENCE OF OPERATION AND  \nFIELD WIRING REQUIREMENTS  \nElectronic Gate Monitor (EGM) Description:  \nThe Western-Cullen-Hayes, Inc. Model 3597-B Gate Mechanism incorporates an Electronic Gate Monitor (EGM) System that protects against damage to the gate mechanism when common failure conditions occur.  \nThe EGM operates by sensing voltage. If conditions exist that enables the DC mechanism motor to generate electricity, the EGM will sense the generated voltage which is greater than the normal DC power supply. When this over voltage condition occurs, the EGM de-energizes the two internal relays. A second circuit exists that accumulates voltage during normal, pumping and gate obstruction conditions. When the accumulated voltage reaches a certain threshold, the EGM deenergizes the two relays and connects the braking circuit.  \nNominal 12 VDC is supplied to the EGM by connecting the red (positive) 2A wire lead to terminal 3A located on the mechanism circu","cbCaipAIcbzPmf2i","https://ap.wps.com/l/cbCaipAIcbzPmf2i","pdf",6330691,55,"English","# Introduction\n# Section 1- Technical Sequence of Operation and Wiring Requirements\n## Sequence of Operation\n## EGM Controlled Fault Operations\n## Wiring Requirements, Voltage Drop Table\n## 3597 Wiring Diagram\n# Section 2- Installation Instructions, Model 10 Signal\n## Foundation and Junction Box Base Details\n## Model 10 Signal\n## Mechanism Support Installation\n## Horizontal and Vertical Stop Details\n## Counterweight and Sidewalk Support Arm Installation\n## Gate Arm and Break-Away Adapter Installation\n## Gate Light Installation\n## Counterweight Installation\n## Counterweight Adjustments\n## Horizontal Torque Specification\n## Weight and Vertical Torque Tables\n# Section 3- Internal Adjustments\n## Gate Descending Adjustments\n## Contact Cam Information\n## Vertical Gate Position Adjustments\n## Contact Gap and Tension Adjustments\n# Section 4- General Maintenance\n## Service and Tests\n## Supply Voltage Checks\n## Brake Release Test\n## Relay Power Specifications\n## Obstruction Test\n## EGM By-Pass Procedure\n## EGM Set Point Adjustment\n## Gate Arm Service Instructions (Raising Weights)\n## Setup Checklist\n## Lubrication Recommendations\n# Section 5- Motor Brush Information\n# Section 6- Optional Equipment\n## Replacements Parts Listings\n## Brake Information\n## Set-Up and Adjustment Tools\n## Gate Gard Installation Instructions","[{\"question\":\"What is the Electronic Gate Monitor (EGM) and what does it protect against?\",\"answer\":\"The EGM monitors voltage and de-energizes internal relays when failure conditions occur. It protects the gate mechanism from damage during events such as counterweight crashes after the gate arm is knocked off, gate arm crashes from power loss, gate arm pumping, and motor overload due to an obstructed gate arm.\"},{\"question\":\"What voltage supply and operating range are specified for the 3597-B gate mechanism?\",\"answer\":\"The mechanism operating voltage is 12 VDC nominal, and supply voltage should be maintained between 11 and 16 VDC. The manual also states controller terminal voltage should not drop below 11 VDC during operation.\"},{\"question\":\"How does the EGM indicate a fault condition and how can it be reset?\",\"answer\":\"Under normal conditions the EGM green LED illuminates; when a failure causes the EGM to de-energize the relays, the green LED goes dark. The reset signal is sent to the EGM each time a gate clear command is received from the control case, and the manual also notes a push-button on the EGM can reset a fault condition.\"}]","Model 10 Signals - Service and Installation Manual for Model 10 Signals Equipped With 3597-B Gate Mechanisms | PDF",1792708939,139]