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open force oh stop
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Question
Answer
Why would a 4600 not open a full 90 degrees?
Resolution:
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/...:
Can a Cam Lift hinge be used with LCN closers?
Resolution:
Cam Lift hinges can only be used with LCN door closers that have a "Regular" or "Reg hold Open" style arm. Manual Closers:Maximum lift dimension is 3/4".Can not be use (H)EDA, CUSH, or T...:
Is there adjustment limits on the regulation valves of LCN manual closers?
Resolution:
The regulation valves are designed to adjust the flow the hydraulic fluid in the closer which regulates the door closing speed through various phases of the closing cycle. The regulation valv...:
Do Von Duprin Exit devices meet the 5 pound force requirement for opening an ADA handicapped door opening?
Resolution:
The 5 pound force requirement is in reference to the maximum force to swing the door, not the maximum force allowed to unlatch the exit device. Maximum allowed force to retract the Von D...:
What is the opening force of a 4600 Series (4630/4640) operator when used manually?
Resolution:
The manual opening force on a 4630/4640 will be approximately 8.5 lbs to 14 lbs depending on the spring setting.:
Can I get a Senior Swing with a reduced opening force gearbox?
Resolution:
The older model Senior Swing came with 2 spring options. The "standard force" spring required 15 lbs of manual opening force, and reduced force "RF" required 11 lbs of manual opening force. All S...:
What is a Senior Swing 9540 RF?
Resolution:
The Senior Swing Series used to have a 2 gearbox options, a "standard force" (15 lbs) and a "RF - reduced force" (11 lbs). In November 2009 RF option was eliminated and we made the standard gearbox...: