spring tube and adjustment

RELATED FAQS

Question
Answer
Part of the closer assembly that contains the spring
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 "Delay" feature ...
Mechanical pre-loading of spring to adjust closing force
The "320G" is the # on a UL sticker attached to the arm of most LCN door closers, and is not a door closer model number.  The "320G" means that the arm is not a mechanical hold open device and OK t...
To determine the SC series, measure center to center on the closer body bolt hole mounting pattern and an overall description of the closer and arm. SC91 -- 6-3/8" x 3/4" -- unique arm SC93 -- 9-1...
The Date Code and Closer Size are stamped in the backside of the closer body. Closer Size: If the number is "1", the closer is a 2031 or 5031. If the number is "3", the closer is a 2...
Yes, the spring torque on 3SP1 butt hinge is adjustable.  See instructions at this link:https://static-or01.inbenta.com/fc7332911aa38d5387ffdef79e8605c6ecdc727ece31acf5bc8e26dcac5d29e4/Iv...
All the 2030 series closer have a fixed spring sizes. Example -- a 2031 has a size 1 spring,  a 2302 has a size 2 spring, 2033/2034/2035 etc. All the 2030 series closer are shipped at the weakest s...
Closers mounted according to LCN installation instructions require no periodic maintenance or seasonal adjustments.  Monthly, quarterly, and annual visual inspections are recommended for Fire/...