Spiral
®
SST and STT Prewire Installation Manual
Spiral
®
SST and STT Prewire Installation Manual
■
1072124-0
■
Rev 03
■
01/22
13
Step 3: Replumb and square the door and finish anchoring the side columns
1
Plumb
both side columns from the front again.
Realign
if necessary.
2
Square
the door:
▪
Measure
distance between side columns at top and bottom of columns
a
.
Make sure
the distances are the same.
▪
Measure
distance from bottom corner of drive side to top corner of non-drive side,
then from bottom corner of non-drive side to top corner of drive side
b
.
Make sure
the distances are the same.
3
Tighten
all anchors.
Laser level
Use
the screws
on the track
holders as your
reference.
Measuring
tape
a
a
b
b
Anchoring
hardware
How to install the head assembly
1
Line up
the head assembly with the side columns before lifting.
2
3
6"
Make sure
the area between the head assembly
and side column is clear on both sides.
3"
Line up
holes.
