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concealed spring open force adjustment
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RELATED FAQS
Question
Answer
Is the spring torque on 3SP1 hinge adjustable?
Resolution:
Yes, the spring torque on 3SP1 butt hinge is adjustable. See the 3SP1 instructions: :
How do you adjust a door closer?
Resolution:
How to: What are the steps to adjust a door closer? Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment. All closers with a "Del...:
SPRING POWER ADJUSTMENT
Resolution:
Mechanical pre-loading of spring to adjust closing force:
How do you identify what size a 2030 closer is?
Resolution:
The Date Code and Closer Size are stamped in the backside of the closer body. These stamps will be on a smooth machined surface of the cylinder.Closer Size:If the number is "1", the...:
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 contr...:
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...: