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SKU 65712 For technical questions, please call 1-800-444-3353. Page 13
FIGURE H
NUT
(63)
FLAT WASHER (64)
SPRING (65)
CARRIAGE BOLT (69)
RAIL (35)
RAIL (35)
8. Slide the Header Bracket (54) onto the Rail (35). Insert a Flat Washer (64) and
Spring (65) onto the Carriage Bolt (69). Thread a Nut (63) onto the Carriage Bolt
until it is nger tight. Use an open-end wrench (not included) to tighten the Nut
until the Chain (59) is not against the inside surface of the Rail (35).
(See Figure H.)
Disengage all existing garage door locks to avoid damage to the door. To avoid 9.
entanglement, remove all ropes connected to the garage door.
The Header Bracket (54) must be rmly fastened to a structural support of the ga-10.
rage. Reinforce the wall or ceiling with a 1-1/2” thick board if necessary. Failure to
do so may result in improper operation of the safety reverse system.
FIGURE I
CEILING
STRUCTURAL SUPPORT
WALL
STRUCTURAL SUPPORT
VERTICAL
CENTER
LINE
HORIZONTAL
LINE
11. You can attach the Header Bracket (54) to either the wall or ceiling. With the ga-
rage door closed, mark the vertical center line of the garage door. Extend the line
onto the wall above the door. Open the door to the highest point of travel. Draw
an intersecting horizontal line on the wall 2” above the high point to provide travel
clearance for the top edge of the door. (See Figure I.)