How To Install Garage Door Opener Gear

With the gears back in place tighten the chain as directed in your owner s manual.

How to install garage door opener gear.

Place the opener on a ladder and use scrap lumber to get it at the height you need. Be sure to put your hand under the motor before removing the last screw to prevent the motor from falling. This is a video on how to change the gear sprockets in a craftsman garage door opener. Align the opener s rail with the center of the garage door.

Pull the chain toward the garage door and hold it in position. Replacing a garage door opener gear is not a difficult project but does require some care and attention to detail this gear is situated between the belt and the motor drive. Remove the four 5 16 hex head screw s that hold the motor assembly to the frame of the garage door opener. Replace the cover on the garage door opener plug it back in and start enjoying your now functioning garage door opener.

Follow the manufacturer s instructions to assemble the opener and mount the rail to the header bracket above the door. Garage door installation and replacement costs may vary according to style and size. Thread the nut s facing the door clockwise until it meets the bracket then release the chain. Position a work table near the area under your motor unit to hold the garage door opener.

Slide the old gear off the shaft and replace it with the new gear. Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor. Slide the motor assembly off the drive shaft and place in a safe place. This was a craftsman model 139 53976srt.

Then remove the roll pin photo 3. Not on top of the ladder for obvious reasons. You should have 1 2 inch of play in the chain. Place the plate in the groove hold the gear assembly level and mark the end of the shaft on another 2 4.

Press down on the chain with your finger. Drill a hole in the wood and insert the end of the shaft. Reinstall the roll pin using the same jigs. Before doing any work on the garage door opener you must unplug the opener to guard against the possibility of an accident.

This home depot guide will explain the cost to install garage doors and openers or replace existing ones so you can decide which options are best for your budget. Use a step ladder to access the garage door opener s power cord and motor unit. Remove the chain and cable assembly.