Now the door is pinned you can install the motor.
How to install garage roller door motor.
Merlin garage door motor fitting.
Then lift the door about half a turn from the closed position to give you enough room to drill.
Roll up the door until the mark is visible.
A complete installation or a bunnings rollerdoor motor.
Position the bar on the roller door and secure with the supplied bolts washers and nuts.
Secure the screws through the door curtain and into the drum wheel at the end of each roll.
Then feed the belt or chain through the end of the rail around the pulley then around the other end at the motor.
Adding a weight bar if the garage roller door has a base handle remove it and attach the weight bar using the handle holes.
How to install a rollerdoor motor.
How to install an automatic garage door opener on a roller door.
Now remove the three screws that hold the sprocket in place.
Chamberlain garage door motor.
Locate the four screws with which the motor assembly is attached to the opener s frame and unscrew them.
How to install an automatic garage door opener on a roller door.
The motor may then be removed from its mountings and replaced with a new motor.
Dislodge the old motor assembly from the unit.
To do this you need to switch off the power supply disconnect the motor from the garage door mechanism and then undo all the connections between the motor and the opening mechanism.
Install the pulley at end of rail opposite the motor compartment.
You can now remove the motor gear and sprocket assembly from the unit too.
Each door opener kit comes with an instruction manual which should be read thoroughly before proceeding with the installation.
This is the largest piece of the opener and it will be positioned furthest from the garage door.