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“
CLOSER MAINTENANCE INFORMATION
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RELATED FAQS
Question
Answer
What maintenance is required for an LCN closer?
Resolution:
Closers mounted according to LCN installation instructions require no periodic maintenance or seasonal adjustments. Monthly, quarterly, and annual visual inspections are recommended for Fire/...:
When did LCN quit making traditional potbelly style closers?
Resolution:
The LCN "Traditional" Potbelly series closer line was discontinued in 1980. Unfortunately there is no direct replacement for these old units. Would need to replace with...:
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 ...:
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...:
What is the LCN fluid - "Liquid X" - temperature range?
Resolution:
The LCN closer fluid "Liquid X" will perform without variation between: -30° F to +120° F - for manual closers. +35° F to +120° F - for electrical closers and a...:
How should I clean a biometric hand reader?
Resolution:
The only routine maintenance required on a biometric hand reader is cleaning. The platen surface upon which the hand is placed, the side mirrors, and the overhead window should be cleaned with rea...: