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Instructions to Replace Drive Gear on Garage Door Opener

shftd
15 years ago

It is model 139.18847. The part is shown in the owner's manual as number 17 - shaft bearing kit. The shaft bearing kit has several pieces - bearng, washers and collar. The piece that broke is the bearing. It is (or would be if I could get it in place without breaking it) closest to the worm gear.

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