Copyright © 2003, 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. 80-9377-2205-020 (05-14)6
ASSA ABLOY
Friction Hold-Open Feature Hold door open to opening angle desired and tighten holder-adjustment-nut (wrench supplied) or use 1” Box or Open End wrench.The Thumbturn Hold-Open feature is controlled by the knob located on the arm of the unit. Turning this knob clockwise will engage the Hold-Open mechanism and increase the Hold-Open force. Turning this knob counterclockwise will reduce the Hold-Open force and disengage the Hold-Open mechanism.
Thumbturn Hold-Open Feature
Thumbturn Action(Units suffixed “T”)DECREASE - - INCREASEControl Valve Adjustments(See Figure 3.)Closing Speed Controls (Figure 2A or 2B and 3.) Valve “S” Controls Sweep Range. Valve “L” Controls Latch Range.Unit AdjustmentOpening Cycle “Backcheck” valve controls the strength of cushioning in Backcheck Range. NEVER close this valve completely – it is not to provide a positive stop. (see Figure 4 and Figure 5).Closing Speed ControlsClosing Speed ControlsFigure 2Figure 32B2A
1/8"HexKey
SlowFast"L" (Latch)"L" (Latch)"S/D” (Sweep)"S" (Sweep)"S/D" (Delayed Action)StandardClosing CycleDelayed ActionClosing CycleStandard CloserDelayed ActionCloserAll ValvesDo not force valvescounter-clockwise outof closer body or a fluidleak will occur.Adjust Closing Speed Time to between 3 to 7 seconds from 90°. Use of the door by handicapped, elderly or small children may require greater closing time.Closed
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Closing Power ControlFigure 1Opening Door ControlsFigure 4BackcheckFigure 5
1/8"HexKey
IncreaseDecrease
1/8"HexKey
Backcheck CushionBackcheck PositionOpen for backchecklater in door-openingcycle."P"(Normally Closed)"B"(NEVER CloseCompletely)Do not force valvescounter-clockwise outof closer body or a fluidleak will occur.Opening Cycle
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3000 Highway 74 East • Monroe, NC 28112Tel: (877)- • Fax: (800)-338-0965974-2255www.nortondoorcontrols.com
ASSA ABLOY
Power Adjustment ChartMaximum InteriorDoor SizeMaximum ExteriorDoor Size28 / (711) 34 / (864) 38 / (965) 42 / (1067) NOTE: Maximum of 16-1/2 turns(360°) of Power Adjustment Nut. 48 / (1219) 32 / (813) 36 / (914) 42 / (1067) 52 / (1321) 60 / (1524)
inches / (mm)
inches / (mm)
TurnsfromZero58-1/21113-1/216-1/2Install closer per instructions with the proper pre-load applied to the arm then adjust spring power. The power adjustment will not work properly if the closer spring is not pre-loaded. To increase power, use 11/16" wrench to turn power adjustment nut clockwise.To decrease power, turn nut counter clockwise.DO NOT use a power drill or driver to turn adjustment nut. This will damage closer and void warranty."Spring PowerAdjustmentNut"+
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