Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Where is the emergency release on Sears Craftsman Garage Door?

I cannot locate the emergency release on my Sears Craftsman garage door opener. It is a model 139.53600, 1/2 hp, chain drive. Where is it located? What does it look like? And how do I operate it? Thanks to anyone who can help me. This unit is probably about 25 years old.

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  • hph1 Feb 13, 2009

    Thanks, but they don't show what the release looks like, and if I don't know what it looks like, I don't know where to find it or how to operate it. I'm not interested in replacing the part, I'm really just trying to find out where the release is and how to operate it.

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You can find exploded views and parts lists of the opener at SearsPartsDirect.com

I just checked.


Posted on Feb 13, 2009

  • Mark Egan Feb 13, 2009

    It looks like the rope attaches to the trolley that the door linkage attaches. There should be a lever like flag with a hole in it for attaching the rope. If you pull the flag, it will release the trolley half from the chain.

    Let me know if you find it. Most manuals for this unit are not to be found as Chamberlin has determined that any pre 1993 unit is past it's useful life.

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My electric garage door goes up only 6 inches and the comes down 3 inches when I use the remote. I noticed a Thin wire/cable hanging. I have no other entry door to the garage other than the garage door....


A door technician uses a special tool to pull the emergency release after drilling a small hole in the door. The door can then be lifted without damaging anything. A keyed manual release assembly is then installed in the hole to be used if there are problems in the future like a power outage or malfunction like you have now.

Nov 15, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I lost power last night due to a storm, I have power however my garage door will not open or close. The motor runs, however it is not grabbing. any ideas on how to fix???


Did you have to pull the emergency release and not return this into position. Pull the cord and move it until it clicks into position. Run the door and it should lock into place. If it does not reach this point. run the door to the open position and push the door back until it locks into the release.

May 26, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Have a Craftsman 1/2 HP Garage Door Opener, been working fine. Now when you start it you hear the motor running as normal but the chain doesnt move?


You must ensure the drive chain is engaged to the door puller.
Sometimes the emergency release if pulled (red cord) the drive and the coupling come separated.
Make sure the pin is back in place (pull release cord and make sure pin springs back in).
The run an open close cycle, it should pick up the drive again.


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Please dont forget to vote this answer was helpful and accept my answer.


Many thanks

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Feb 22, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Need instructions how to program the Sears Craftsman Garage Door Remote No. K1026 to open the door.


Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and immediately release this and then walk over to the keypad and key in any 4 digit code you like and press enter.

Oct 11, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

How do you change the code on the sears craftsman garage door opener


If you mean the keypad do this. Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and immediately release this and then walk over to your keypad and key in any 4 digit code you like.

Jun 04, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I pulled the emergency rope on my door opener. How to fix the chain back on the pully?


Pull straight down on the rope and release. Then bring the two halves of the trolley together either by moving the door by hand or running the motor.

May 31, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Sears/Craftsman Garage Door won't budge


with the door down, disconnect with the emergency release, see if the motor operates
with no load...if the the track moves you probably have something obstructing the door
ie; a broken spring, door locks, etc ... the chain should be adjusted for just a little
**** mid way down the rail (1/4") if it still doesn't move ... call sears.

Mar 14, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Can't Get in Garage


no remotes. new battery. why dont you have an emergency release in door. what would you do in case opener breaks or power failure. sorry, cant think of an answer.

Oct 27, 2008 | Sears Craftsman LiftMaster Chamberlain...

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