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GT 710-8710 OPUS Low Energy Swing Doors Quick Set-Up and Parts Guide
www.NabcoEntrances.com
P/N C-00178
Rev 12-20-17
CHAPTER 10: ADJUSTMENTS
SECTION 10 .1: Adjust Opening/Closing Force on LCN Tension Spring
Improperly installed/adjusted Tension Springs may cause property damage or personal injury.
Please follow instructions carefully.
Opening Force must be properly adjusted on the LCN Tension Spring - BEFORE - the Magnum
4A Control can be adjusted.
The LCN Tension Spring is used to adjust Opening/Closing Force when the Swing door is used Manually. The Factory preset force is
ideal in most cases. Adjustment should only need to be done in special cases.
DN 0531
5/32” Allen Wrench
LCN Tension Spring
Figure 26
Adjust Door Open Force
1. Turn Power OFF.
2. Insert 5/32 Allen Wrench in the Screw located at the end of the LCN Tension Spring.
a. The Spring should be adjusted so that the Swing door can be easily pushed open, but still have enough force to fully
close the Swing door.
3. To Increase Closing Force, turn the 5/32 Allen wrench clockwise not more than (9) full turns.
4. To Decrease Closing Force, turn the 5/32 Allen wrench counterclockwise not more than (4) full turns.
SECTION 10 .2: Hydraulic Speed Control
DN 0562
Swing Arm
Hydraulic Speed Controls
The main sprocket may block access to the
main speed hydraulic adjustment valve.
Moving the door slightly open or closed will
align holes in the sprocket with the holes in the
Header allowing access to the valve.
R
LISTED
R
in
501
S
Ma
x
Amp
s
11
5 Vo
lts
GYRO
TE
CH
ENTRANCE
S
NABC
O
Model No
.
TL
usage commercial ou industrie
l
Pedestrian Door Operator
Muskego, WI 53150 USA S82 W18717 Gemini Driv
e
60 Hz
Commande de porte pietonniere
a
Pedestrian Commercial & Industri
al
Manufactur
ed
For Commercial or Industrial Use
BACK CHECK
LA
TCH SPEED
MAIN SPEED
Note: Use a 3/32 Allen Wrench
Figure 27
Bottom of Header
10 .1 .1 Adjust Main Speed
1. Turn Power OFF.
2. Insert 3/32 Allen Wrench into the Main Speed adjustment hole.
a. If the adjustment hole is blocked by the sprocket, slightly close the Swing door until the adjustment Valve can
be accessed.
3. Turn the Allen Wrench clockwise to slow down closing speed.
10 .1 .2 Adjust Latch Speed
1. Turn Power OFF.
2. Insert 3/32 Allen Wrench into the Latch Speed adjustment hole.
3. Turn the Allen Wrench clockwise to slow down Latch Check speed.
4. To test Latch Check speed. Manually push the Swing door open, then let it close.
a. Re-adjust if necessary.
WARNING
CAUTION
