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Assa Abloy Norton 5900 Series - General Adjustment; Spring Tension Adjustment (SPTE)

Assa Abloy Norton 5900 Series
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Copyright © 2010, 2014 Yale Security Inc., an ASSA ABLOY Group company. All rights reserved.
Reproduction in whole or in part without the express written permission of Yale Security Inc. is prohibited.
ASSA ABLOY
80-9359-0001-020 (01-14) Rev 3
10
General adjustment
• Set the hold open time with the potentiometer on the main control unit.
Teach operator while opening is set at maximum opening speed. Turn closing speed
(on potentiometer) counterclockwise to slow operator down.
• Connect the required activation units.
• Check that the installation complies with local or state requirements.
Reducing / Increasing the “Spring Tension” (SPTE)
• Loosen the door arm stop. Remove if fitted on the topside, slide down if fitted on
the bottom.
Turn the potentiometer for spring tension (SPTE) clockwise until the door
opens to 45°.
• Loosen the drive arm fixing screw.
• Moving the door towards open position, reduces the tension, or:
Moving the door towards closed position, increases the tension.
Tighten the drive arm.
Turn the potentiometer SPTE to 0°.
• Open the door to required open position by turning the potentiometer SPTE clockwise.
• Mount the door arm stop as close as possible to the open door stop block, fine-
adjust with the fixing screw if necessary.
Turn the potentiometer SPTE to 0°.
• Repeat "Operation Set-Up" steps on page 6.

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