Craftsman 139.53677SRT1, 139.53671SRT1, 139.53674SRT, 139.53661SRT1 owner manual Example

Read the Safety instructions on page 12. They also apply to doors without tracks.

Header Wall

2x4

•Close the door and mark the inside vertical centedine of

your garage door. Extend the line onto the header wall

above door.

If headroom clearance is minimal, you can install the header bracket on the ceiling. See page 14.

•If you need to install the header bracket on a 2x4 (on wall or ceiling), use lag screws

(not provided) to securely fasten the 2x4 to structural

supports as shown.

Header	Wall
_,_1 I _	Highest point
	of Trawd

Door

Jamb

Hardware

OPTIONAL CEIUNG MOUNT

FOR HEADER BRACKET

1 Wall of Travel

Header Highestioint

ii

One-piece door without track jamb hardware

•Open your door to the highest point of travel as shown. Measure the distance from the top of the door to the floor. Subtract the actual height of the door. Add 8" to the remainder. (See Example),

•Close the door and draw an intersecting horizontal line on the header wall at the determined height.

If the total number of inches exceeds the height available in your garage, use the maximum height possible, or refer to page 14 for ceiling installation.

One-piece door without track

pivot hardware

EXAMPLE
Distance from top of door
(at highest point of travel) to floor	92"
Actual height of door	-88.____."
Remainder	4"
Add	+8"
Bracket height on header wall	12"
(Measure UP from top of CLOSED door.)

Proceed to Step 2, page 14.

13