Your on the right track when you loosen the chain to get it off the stop bolt you are changing the limits.
How to get garage door trolley off stop bolt.
After you adjust the down limit and it still comes up and hits the bolt you may have a.
Manually bring the door to the closed position.
Unplug the garage opener.
Then do the down limit switch adjustment as described above to shorten the down travel.
Do you know what i need to do to limit the movement of the door model 139 53650srt craftsman.
Once you locate where the wheels on the door are jumping off the track snap locking pliers.
Was programed and working fine before today.
I have compared with the other garage door opener i have and it stops on the way up 1 2 inch before the trolley hits the safety screw bolt.
Ensure that chain isn t torqued against the bolt as this could be very dangerous to work on.
Reach overhead and pull the rope that releases the door from the opener.
When my craftsman garage door opens up it goes all the way up until the trolley hit the safety pin.
Release the door from the garage door opener by pulling the emergency release handle.
I did a complete video on the entire chamberlain carriage trolley mechanism if that is what you re looking for you can find that here.
It is a craftsman 3 4hp model 139 53918d.
Release the garage door from the trolley using the emergency release cord.
If you cannot get it to back off the front stop bolt then you will need to unplug the opener and remove the motor cover and a gripping pliers grab the end of the motor shaft to turn the drive motor so it will be able to come off the front stop bolt.
First visually verify that the trolley is against the stop bolt.
Open the door manually.
Tried to reset opening travel distance but it keeps traveling to the stop bolt and clicking.
To remove the trolley from the stop bolt follow the steps below.
Get shopping advice from experts friends and the community.