Stanley Hardware 73-0680 Garage Door Extension Spring Safety Cables . long by 1/8-inch in diameter, made of hot dipped galvanized steel, two per package. Results 1 - 31 of 31 - Garage Door Extension Spring 3' Pulley with safety cable guide Hardware Kit. PAIR RESTRAINT CABLE, 3/32' 7X7 120'. Extension Spring . Jump to Reinstall Your Track and Bearing Plate - If you cut off this amount of track, the garage door will . 7.11 Bolt the angle extension to the vertical angle . Check out these expert tips for easier garage door opener installation and . Angle iron provides a stronger installation and reduces vibration, which helps extend the opener's life span. . Bulbs that are too hot can damage the opener. Garage . Before you can adjust the spring on your garage door, you must determine what . Side-mounted extension springs run above and parallel to the door track, and . The Xtreme Garage® ten-foot chain drive track extension kit is designed to allow your Xtreme Garage® chain drive garage door opener to operate a nine-foot to . Mar 1, 2012 - Extension springs are mounted above the garage door track in most cases. . sooner than if springs are replaced when the weather is warm. HomeAdvisor's Garage Door Repair Cost Guide lists price information associated with fixing . A typical service call will include a manual inspection of the door and opener. It can withstand high heat or extreme cold and is a great insulator.