Clutch does not disengage

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ISSUE: After some use the plug will begin to project from the cylinder face and will ultimately pull completely out. ROOT CAUSE: In a dogged application the cam was rotated 180 degrees which ...
The ND40 outside emergency button and the ND44 outside emergency turn button can disengage from the lever and fall out when they are not assembled properly.Click here for emergency button...
 If the button and plunger or emergency cylinder are damaged they can be ordered separately.  Part numbers are below.  Emergency Button and Plunger (ND40) - N123-034Em...
A 4600 (4630/4640) not opening to a full 90 degrees could be caused by a couple things: The Opening Force could be set too low. Try increasing the opening force adjustment on the controller a 1/...
The 4610/4620 series operators are obsolete. There is no replacement part for any electronic component (motor/clutch, controller, input/output PC boards) for the obsolete 4610/4620 operators.Essent...
To check the clutch on a 4600 Series operator: Follow the wires from the clutch to the 4 pin connector on the controller, and disconnect the connector from the control box. Clutch -- Measure th...
The Schlage full size interchangeable core (FSIC) prepped B560F, B561F, and B563F deadbolts all require a UL fire cup (R) in order to be UL listed.  This fire cup is s...