commercial door repair

RELATED FAQS

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Because of the new extended LCN warranties and the desire to be consistent across the entire Allegion premium brands, LCN will be moving away from offering an out-of-warranty repair service beginni...
The 4040(XP) door closer can be used as a temporary replacement in a 4630/4640 operator to provide manual control of the door while the 4630/4640 closer cylinder is being repaired or a replacement ...
The three most common steel types are cold rolled steel, galvannealed steel, and galvanized steel. Cold Rolled Steel (CRS) is suitable for most interior applications, is uncoated steel a...
The SED/MED series closers where discontinued in 2000. The SE or ME series from LCN can be used as replacements to provide a hold open feature, but will not have the smoke detectors ...
The fluid in an LCN closer must not be refilled in the field. See attached Warranty and Repair Communication 
During the construction cycle, spot rust is usually attributed to either material handling damage or improper storage of the material on the jobsite. The material must be repaired and repainted as ...
When rust appears, repair the affected surfaces by finish smooth, clean, treat for maximum paint adhesion, and touch up the surfaces with a direct to metal (DTM), rust inhibitive primer.
Prime or painted surfaces which have been scratched or otherwise marred during installation (including field welding) and/or cleaning must be field repaired and re-primed by the installing contractor.
There are a few things that can cause a closer to slam. The closer could be adjusted incorrectly. Turn all regulating screws clockwise until they stop. Then open each valve 1 and 1/2 turns. If t...
CAUTION must be used in investigating this problem - In most cases, excessive field rusting of products is caused by improper storage at the jobsite. That situation must be validated prior to refus...