How do you install the LCN 9540 Senior Swing (REG) push arm?
When installing the arm; the gearbox shaft and door must be at the (+90°) full open position. The following step are used to install the Sr. Swing (REG) push arm.
Install the header and door bracket using appropriate template. (2-3/4 Butt Hinge/OP, 2-3/4 CP, or 3-3/4 CP)
Measure and cut the threaded rod to correct length, using appropriate chart (based on reveal depth of frame and hinge style used). *(see note)
With operator power "on", short the input wires (yellow and gray wires on P6 or P7 activation cable) and keep the wires shorted. This will cause the spindle on the motor gearbox to rotate to the (+90°) full open position, and remain there. (gearbox shaft will rotate 180° from its -90° breakout position)
Install the "spindle adapter" into the arm as required. (see appropriate template)
Set your door at the (+90°) full open position and install the arm to the spindle at the full open position (+90°) and tighten cap screw.
Screw threaded rod into the turn buckles and adjust so that the door stays at the (+90°) full open position.
Remove short from activation wires. Door will close and "learn" the opening.
Connect the yellow and gray wires on P6 or P7 activation cable to the activation device.
Test door for proper operation.
If no further adjustments are needed, secure arm by installing the washer and screw.
Link to push arm installation instructions see here.
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