How To Install Garage Door Opener Gear

Drill a hole in the wood and insert the end of the shaft.

How to install garage door opener gear.

Use a step ladder to access the garage door opener s power cord and motor unit. Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor. Be sure to put your hand under the motor before removing the last screw to prevent the motor from falling. Slide the old gear off the shaft and replace it with the new gear.

Lower the motor unit down. Pull the chain toward the garage door and hold it in position. This was a craftsman model 139 53976srt. You should have 1 2 inch of play in the chain.

Align the opener s rail with the center of the garage door. Then remove the roll pin photo 3. Before doing any work on the garage door opener you must unplug the opener to guard against the possibility of an accident. With the gears back in place tighten the chain as directed in your owner s manual.

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. Reinstall the roll pin using the same jigs. Not on top of the ladder for obvious reasons.

Place the opener on a ladder and use scrap lumber to get it at the height you need. 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. Position a work table near the area under your motor unit to hold the garage door opener. Place the plate in the groove hold the gear assembly level and mark the end of the shaft on another 2 4.

Put a thin layer of the grease included in the kit on the gear. 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. 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.

Step 1 unplug opener. This is a video on how to change the gear sprockets in a craftsman garage door opener. Press down on the chain with your finger.