Garage Door Gear And Sprocket Replacement

Replacement gears and sprockets for genie model garage door openers.
Garage door gear and sprocket replacement. As a result of the worn gear the sprocket cannot turn the chain and the door will not open nor close. We also have belt sprocket and cap kits for your model garage door opener. This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener. This gear set worked great and replaced a broken one in my 2002 1 2 hp chamberlain liftmaster yesterday.
It wasn t listed for the same model but after looking online it seems that most garage door openers made after 1984 use the same sprocket assembly. This tutorial demonstrates how to replace the gear and sprocket assembly on all chamberlain liftmaster and sears openers. See full descriptions for garage door opener compatibility by model numbers. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door.
Replacing gear and sprocket assemblies is easy when you re using a complete kit that includes a replacement main drive gear worm gear bearings all bushings washers spacers and lubricant. Replacement gear and sprocket assembly compatible with chamberlain estate series chain drive garage door openers. The bag said it was an oem piece. The most common issue that occurs is when the ridges in the gear wear out because the gear lubrication has evaporated.
This was a craftsman model 139 53976srt. Check the manual or replacement parts diagram for specific part information before. Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears. Genuine genie replacement belt and chain drive sprockets main drive gears and more.
It was a perfect replacement and the garage door is working. Kipa pack 3 drive gear for sears crafsman liftmaster chamberlain garage door openers 1984 up 41a2817 41c4220a 81b0045 drive gear 32 teeth bore size 1 2 durable top quality 4 6 out of 5 stars 38 9 75. With our easy returns policy you can shop online with confidence. Compatible with chamberlain models pd752 pd758s pd752d pd758d all models may not be listed.
If the gear and sprocket assembly breaks the motor runs but the door won t move.