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commercial door repair
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RELATED FAQS
Question
Answer
Does LCN repair or sell rebuilt closers?
Resolution:
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...:
Can the 4630/4640 cylinder only be replaced?
Resolution:
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 ...:
What types of steel are used in commercial steel doors?
Resolution:
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...:
Does LCN still make a closer that has the built in smoke detector?
Resolution:
The SED/MED series closers were 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 a...:
Can the fluid in an LCN door closer be filled out in the field?
Resolution:
The fluid in an LCN closer must not be refilled in the field. See attached Warranty and Repair Communication :
What do you do if rust spots show up on steel doors and frame material?
Resolution:
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 ...:
What causes doors and/or frames to rust?
Resolution:
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.:
What would cause a door closer to slam?
Resolution:
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...:
What causes excessive pinhole rust to start showing up on steel frames?
Resolution:
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...: