Each set
Each set usually comes with very long and detailed instructions of how to fit it. Read those directions carefully and follow them closely. To get a quick run through of the process and prepare yourself for the project ahead of you, read the following basic steps:You will need to bolt the three T rails together as well as the idler pulley to the end of the T rail closest to the Roll up Garage Door. Then slide the trolley onto the track and bolt the end of the T rail track to the opening device. Attach the end of the drive belt to the trolley.Then wrap the chain around the sprocket located on the opening device. Then attach the other end of the chain to the trolley. You will need to firmly mount the bracket included to the wall above the entrance. Make sure that it gives the entrance two inches of clearance when it is opening. Then raise the opener unit and open the door.
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