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www.NabcoEntrances.com
GT208300-8350OverheadConcealedOperatorInstallationManual
Rev 8-31-16
P/N C-00183
7/8”
2-5/8”
2-1/2”
2-1/2”
2”
1-7/16”
4”
4”
C L To
p Pivo
t
To
p Rai
l
Bo
om Rai
l
C L
Bo
om Pivo
t
23-13/16”
7/8”
2-5/8”
1-3/8”
1-3/8”
3-1/4”
1/2”
3/4”
Re
move mat
erial
as needed
Drill (1) 1/2” diame
te
r
hole thr
ough (1) wall
Drill (7) holes with a “Q” drill (.332 dia.
)
thr
ough (1) wall and coun
te
rs
ink
to .53 di
a x 82
Drill (4) holes with a “Q” drill (.332 dia.) thr
ough (1) wall and
countersink to .53 dia x 82
Re
move mat
erial
as needed
NO
TES:
• F
or other Door Rail
re
qui
re
ments not shown: cont
act cu
st
omer
service at 1-877-622-2694.
• P
re
pa
re
Swing door as shown.
• NABCO Entr
ances self
-aligning Pivot
re
qui
re
s a 5/8” minimum
web depth within both the top and bo
om Rails
.
Door Pivot Loca
ons
:
• F
or Swing door
s WITHOUT
fi nger guar
d: 2-3/4” fr
om Jamb T
ube
.
This measur
ement includes 1/8” clear
ance f
or door swing
• F
or Swing door
s WITH
fi nger guar
d: 3-3/4” fr
om Jamb T
ube
.
This measur
ement includes 1/8” clear
ance f
or door swing.
DN 0757 DN 0134
Figure 24 Pivot Shaft Measurements