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Latch speed adjust
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RELATED FAQS
Question
Answer
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...:
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...:
LATCH SPEED
Resolution:
Door Control, Hydraulic Adjustment, Closer Adjustment:
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 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...:
Why is the 2390 top latch not staying retracted when dogged?
Resolution:
Most likely need to length the top rod so latch can engage it's internal latch retention state. See 2390 Instructions for adjusting rod lengths.:
What would keep the vertical rod exit devices top latch from being held retracted in the open position?
Resolution:
Following exit devices 2227/F, 33/3527A/F, 33/3547A/48A/F, 98/9927/F and 98/9947/48/F have similar rod adjustment procedures. All top latches control the bottom latch assemblies. When do...:
When did the Falcon T lock begin shipping with a new latch?
Resolution:
The Falcon T series was discontinued August 12th, 2026 and was replaced by the Falcon TM series. The Falcon T lock will be featuring a new latch on June 10th, 2013. The Falcon T loc...: