Was programed and working fine before today.
Garage door trolley hits stop bolt.
Turn it to the middle position yellow line in fig.
Do you know what i need to do to limit the movement of the door model 139 53650srt craftsman thanks.
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.
Tried to reset opening travel distance but it keeps traveling to the stop bolt and clicking.
The key is that when the garage door opens or closes the centre limit contact moves up and down the centre white plastic drive gear screw.
It is a craftsman 3 4hp model 139 53918d.
After you adjust the down limit and it still comes up and hits the bolt you may have a.
Stop bolt to remove the trolley from the stop bolt follow the steps below.
Trolley on garage door opener hits stop bolt and clicks 10 times.
B if the trolley is in the middle of the rail and if it is at the top put it near the travel adjusting screw heads red line in fig b.