OPENER HEADER
BRACKET
FIGURE 2
OPENER DOOR
BRACKET
CURVED POWER ARM
THIN VERTICAL MARK
THIN
HORIZONTAL
MARK
FIGURE 1
OPENER DOOR
BRACKET
CURVED POWER ARM
THIN VERTICAL MARK
TEMPORARY TIE
TEMPORARY TIE
5/16” X 2” LAG SCREWS
1/4” X 1” THREAD
FORMING SCREWS
1/4” X 1” THREAD
FORMING SCREWS
CENTER MOUNT
CENTER MOUNT
INSTALLATION INSTRUCTIONS FOR MARTIN GARAGE DOOR OPENER
SYSTEMS
THESE INSTRUCTIONS ARE INTENDED FOR PROFESSIONAL GARAGE DOOR OPENER
INSTALLERS. READ THROUGH THE COMPLETE INSTRUCTION MANUAL AND APPLICABLE
SUPPLEMENTAL INSTRUCTIONS BEFORE BEGINNING.
STEP 1
FASTENING THE OPENER DOOR BRACKET
Study
STEP 2
FASTENING THE OPENER HEADER BRACKET
"Opener Door Bracket Guidelines” on page 2, 3, and 6.
if the opener will be mounted to the center, off center or side of the garage door. Center
and off center mounted openers always require a “full width” top strut on the door. I
Martin Doors up to 12'2" (3700) wide may or may not require a top strut.
the opener door bracket under the top roller bracket for side mounting or on the stile
and strut for center/off center mounting. Fasten with 1/4” x 1” Thread Forming Screws.
See “Exception” on page 6.
the curved power arm to the opener door bracket with 3/8" X 1" short neck carriage bolt
and two 3/8" lock nuts as shown in the “Opener Door Bracket Guidelines” on page 2 and 3.
the curved opener power arm straight up and touch the torsion tube or spring. Make a
vertical mark
, in line with the power arm. This mark will be the vertically centered
location for the opener header bracket. See Figure 1
Note: To hold the top of the curved power arm from falling down, temporarily tie it to the top of
the door bracket or strut. See Figure 1
a horizontal mark on the header
for
for
for
for
the opener header bracket to the header with two 5/16" X 2" lag screws. The vertical
and horizontal
are the “centered location marks.
Decide
Fasten
Fasten
Raise
Make
11 1/2" (292)
6 1/2" (165)
5" (127)
3 1/2" (89)
Fasten
f side
mounted,
on header
2" (51) above the highest movement of the door as it
opens. See figure 2.
The following are approximate measurements above the top of a closed door to the horizontal
mark on the header:
12” (305) regular clearance track.
8" (203) low clearance track.
4 1/4" (108) low clearance track.
2 ½" (64) low clearance track.
marks
”
11 ½” (292)
Regular Clearance
TOP OF
CLOSED DOOR
3/8” X 1” SHORT NECK
CARRIAGE BOLT AND
2- 3/8” LOCK NUTS
HEADER
HEADER
REQUIRED
“FULL WIDTH”
“L” STRUT
REQUIRED
“FULL WIDTH”
“L” STRUT
COPYRIGHT © 2007 MARTIN DOOR
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