Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
Liftmaster garage door height adjustment.
You might damage the motor of your garage door opener if there is a lot of resistance from the door tracks.
The travel distance limit setting and the downward force limit setting.
Locate the manual force adjustment dials at the back of the liftmaster garage door opener.
Before you adjust the force setting of your garage door opener ensure your garage door tracks jambs and rollers are in good condition.
Garage doors are very easy to adjust and can be done in less than 15 minutes.
Adjusting these dials alters how far the garage door travels while closing and how much force in kilograms the motor uses.
The travel limit which determines the point at which the door stops moving up or down is one of.
We design and engineer residential garage door openers commercial door operators and gate entry systems.
These limits must be set correctly for the door height to have a proper seal as well as to allow for adequate clearance.