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Step 4: Flag Bracket Installation
There are two fl ag brackets (left
and right) provided. The right side
bracket has an extended fl ange at the
top. Align the left hand fl ag bracket
to the existing left fl ag angle, so the
top fl ange will be located to the top
edge of the existing fl ag angle.
Identify two locations that will al-
low the 3/8” bolts to go through both
the fl ag bracket and the existing fl ag
angle.
NOTE: In some instances there
may not be any holes in the existing fl agangles to mount the fl ag brack-
ets. It will be necessary to drill two 3/8” dia. holes that will allow the
3/8” bolts to go through both the existing fl ag angles and the new fl ag
brackets. Once the holes are drilled proceed with the installation of the fl ag brackets as
shown in step 4.
Insert the 3/8” bolts into the previously identifi ed slot in the fl ag bracket, insert a spacer onto the bolt and posi-
tion the fl ag bracket to the existing fl ag angle. Attach the 3/8” nut and tighten. Secure the second bolt, spacer
and nut in the same manner. Make sure that the fl ag bracket is parallel with the existing fl ag angle.
IMPORTANT! Flag brackets must be level and plumb. Secure the top of the fl ag bracket with a 5/16” lag
screw in the slot provided. Repeat the procedure for the right hand bracket.
NOTE: Right and Left hand is determined from inside the garage, looking out.
RIGHT HAND
FLAG BRACKET
LEFT HAND
FLAG BRACKET
FLAG
BRACKET
FLAGANGLE
(2) SPACERS
(2) 3/8-16 X 3/4”
TRUSS HEAD
BOLTS
(2) 3/8”
NUTS
5/16 X 1-5/8”
LAG SCREW
BRACKET
INSTALLED
Step 4A: Track Width
Conformation
For the extension spring torsion
tube to install correctly it is neces-
sary that the distance between the
fl ag angles be correct. Measure the
distance between the existing fl ag
angles. The dimension needs to be
the width of the door + 3-1/2”. If
this is not what the track is set to,
then you must adjust the track so
that the mounting brackets meet
the requirment.To move the track it
may be necessary to loosen the bolts
in the fl ag angles and the brackets
mounting it to the jamb. Set the
track so it is 1-3/4” from the edge
of the door on both sides. Reinstall bolts in the jamb brackets and fl ag angles. Recheck dimensions before go-
ing to the next step.
8
DOOR WIDTH + 3-1/2”
DOOR WIDTH
1-3/4”
1-3/4”
EXTENSION SPRING
FLAG BRACKETS
EXISTING
FLAG ANGLES
DRILL (2) 3/8” DIA.
HOLES TO MATCH
SLOTS IN FLAG
BRACKETS