Installation Step 4
Position the Opener
Follow instructions which apply to your door type as illustrated.
CAUTION
To prevent damage to steel, aluminum, fiberglass or glass panel doors, do not rest the opener on the door without using a 2x4.
SECTIONAL Door & ONE-PIECE Door with Track
A 2x4 laid flat is convenient for setting an ideal
• Raise the opener onto a stepladder.
You will need help at this point if the ladder is not tall enough.
•Open the door all the way and place a 2x4 laid flat on the top section beneath the
•If the top panel hits the trolley when you raise the door, pull down on the trolley release arm to disconnect inner and outer sections. The trolley can remain disconnected until Step 12 is completed.
Trolley
Release Arm
Trolley
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Door
Stepladder
ONE-PIECE Door without Track
•With the door fully open and parallel to the floor, measure the distance from the floor to the top of the door.
•Using a stepladder as a support, raise the opener to the same distance as the door from the floor (it will be at a slight angle as shown).
•The top of the door should be level with the top of the opener. Do not position the opener more than 2" above this point.
Header
Bracket
Top of Opener
Top of Door
Stepladder
12