INSTALLATION STEP 4

Position the Opener

Follow instructions which apply to your door type as illustrated.

SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK

A 38 mm board is convenient for setting an ideal door-to-T-rail distance.

•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 38 mm board on the top section beneath the T-rail.

•If the top section or panel hits the trolley when you raise the door, pull down on the trolley release arm to disconnect inner and outer sections. Slide the outer trolley toward the motor unit. The trolley can remain disconnected until Installation Step 11

is completed.

Trolley

Release Arm

ENGAGEDRELEASED

CAUTION

To prevent damage to garage door, rest garage door opener rail on 38 mm board placed on top section of door.

38 mm

Header Rail Board Bracket

Door

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 top of the opener to this height.

•The top of the door should be level with the top of the motor unit. Do not position the opener more than 5 cm above this point.

Header

Bracket

Top of Motor Unit

Top of Door

20