In this guide, we will be going through the steps for installing a LiftMaster model 8500W jackshaft opener on a residential 2-car sectional garage door. We are confident that this guide will help you be a better installer and provide better service and value to your customer.

In this how-to guide, we will be going through the proper steps to convert a garage door from an extension spring to torsion spring setup. We are confident that this guide will help you be a better installer and, in turn, help you provide better service and value to your customer.

In this article we will cover the safest way to repair an unbalanced torsion spring due to a broken or unbalanced cable. We hope that this guide will help you be a better installer and provide exceptional service to your customers.

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