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“
Leaking Hydraulic closer
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RELATED FAQS
Question
Answer
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 :
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 ...:
How do you identify the model number and date code of an LCN cast iron hydraulic closer?
Resolution:
The date is a 4 digit #. The first 2 numbers indicate the week it was made, and the last 2 numbers indicate what year it was made. On most surface mounted closers, the model #, date code, ...: