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Adjusting closing speed
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RELATED FAQS
Question
Answer
How do you slow down the closing speed of the 4600 series operator?
Resolution:
The hydraulic closer underneath the control box has 3 regulating valves (like any 4040 series hydraulic closer). Main Speed - adjust closing speed from 90° open down to 10°. Latch Speed - adju...:
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...:
What would cause an ME Series closer (2310ME/4310ME/4410ME) to pop back into hold open as it is closing?
Resolution:
This condition can be caused by the "closing speed adjustment" being regulated for a fast closing speed. Try adjusting the closing speed to slow down the closing of the door. If that does not corre...:
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...:
Why would a Senior Swing door slam shut?
Resolution:
The Senior Swing has a built in circuit that controls closing speed through the motor. If the door is slamming, there must be a broken gear in the gearbox and the gearbox will need to be replaced.:
What is the delay time adjustment on a Delayed Action closers?
Resolution:
Regular LCN closers have "3" regulating valves for General Speed, Latch Speed, and Backcheck. If the LCN closer has "4" regulating valves, then the closer has the Delayed Action feature. De...:
What would cause a Falcon 8200 (8230/8240) operator to slam the door closed?
Resolution:
The Benchmark 9100 series and Falcon 8200 Series operator will allow the door to slam if: The motor is not connected (plugged into) the controller as the closing speed is controlled by a c...:
What size Allen wrench is used for Closer adjustment?
Resolution:
LCN does not supply Allen wrenches. The size allen wrenches that LCN uses, are standard sizes that every installer will have in their tool kit. 3/32" Allen wrench for adjusting&...:
FAST POWER ADJUST
Resolution:
power adjustment, spring adjustment: