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GARAGE DOOR OPENER EXTENSION KIT MODEL: 425-1671 www.gdohelp.com WARNING 1-877-GDO-4402 To prevent SERIOUS INJURY or DEATH: 1-877-436-4402 2301 Traffic St NE - DO NOT connect power until instructed. Minneapolis, MN 55413 - CLOSE the door before installation. Kit Inventory End Segment with Trolley Stop Bolt (53-1/5 inch) Extended Cable (approx.
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Step 2. Extending the Chain 1. To Disconnect “Chain to Cable Connector” from the Original Chain Original chain pack Disconnect “Chain Cable Connector” from the original chain by removing the master link. Keep all the hardware in this step. Master link Chain-to-Cable Connector 2.
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