Attach The Door Arm - Liftmaster H Manuel D'installation

ATTACH THE DOOR ARM

1
Latch the door arm to the trolley. Make sure the open side of
the notch on the door arm faces the door.
2
Position the door bracket to the center line of the door and
attach the door bracket to the door using appropriate hardware
(not included). NOTE: When properly installed and adjusted
the door arm should be leaning back toward the operator
slightly. Refer to door manufacturer's instructions for
recommended installation guidelines.
Typical Installation - Trolley
HARDWARE
A
Flanged Hex Nut 3/8"-16 (2)
Bolt 3/8"-16 x 1" (3)
12
B
Nylok Nut 3/8"-16 (1)
1
A
B
2