Garage Door Chain Drive Adjustment

Chain adjusts by shortening the chain itself.

Garage door chain drive adjustment.

There may be an adjustment linked to the chain or an adjustment to the length of the door opener track. There are only a few ways that the chain can be tightened. You will have to apply a spanner to each and turn them in opposite directions. Craftsman hp chain drive garage door chain drive garage door opener chamberlain liftmaster travel limit and chamberlain liftmaster travel limit and gdr02m garage door opener user manual garage door opener chain adjustmentgarage door opener chain adjustmenthow to adjust the chain on a drive garage door openerhow to replace a garage door opener drive chain.

If you stand at the door facing the motor you will probably see the threaded rod that adjusts the chain length on the right side of the door. Usually a pair of nuts are associated with the locking mechanism while one is concerned with the adjustment of the chain. The chain is a very important component that makes up a garage door opener system. On the master link you will see two or three nuts.

Use the wrench to loosen the lock nuts and turn the adjustment nut to set the slack in the chain. Adjustments on the chain are located at or near the master link where the chain engages with the cable graphic below left. Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.