Model 710 Swing Door System
NABCO
ENTRANCES INC
877-622-2694
www.nabcoentrances.com
- 13 -
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DN0041
LCN Adjustment
Door Closing Adjustment Procedure
The hydraulic closer must be operating properly
BEFORE
the Magnum control is
adjusted.
Warning: Improperly installed or adjusted closers may cause property
damage or personal injury. Please follow these instructions carefully.
Do not allow the door to slam into the frame. A “normal” closing time from a
90º open position is five to seven seconds, evenly divided between main
swing speed and latch swing speed. Use the furnished hex key to adjust
speed.
1. Remove one lead from the motor.
2. Adjust the main and latch speeds.
To slow MAIN SPEED of door, turn the main speed screw clockwise.
To slow LATCH SPEED of door, turn the latch speed screw clockwise.
3. Reconnect motor lead.
Note:
It may be necessary to rotate the output shaft with the arm to align the
holes in the large sprocket with the access holes in the header.
Figure 8
– Hydraulic Closer Adjustment.
