can you add more oil

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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 ...
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The finishes below are available on the L9000, some lever designs and trims are not available in all finishes.  605  Bright Brass  606  Satin Brass  609 &...
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...