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Restoration of a Herring, Hall & Marvin Safe

Posted by Brooklyn on February 04, 2009 at 07:43:49:

Recently I purchased a HH&M safe on ebay; I only know that it is pre war
HH&M because it has solid cast acorns. I have a couple of questions for you
safe experts that if answered would help me considerablyl.
First, I did not have a full set of hinge acorns so I had some acorns made of
solid brass and my plan was to brass plate the handle and dial. But I do not
like the look of these shiny brass acorns and was wondering if I can nickel or
chrome plate these solid brass acorns (and of course do the same with the
dial and handle).
Second, I have been told that HH&M serial numbers are located on the
handle. On my handle, I can see a four digit number (8192) and a two digit
number on top of this number (50). I am wondering if my safe's serial
number is 8192 or 508192. Lastly, I have read many posts on this fine
forum about combinations and I am a bit confused by the function of the
"last turn". The given (almost actual) combo of my safe is 91R-33L-60R-
7L.. Many times I read that the last turn (after 7L) would be to to the right
where the dial stops. On my safe when I turn to the final number (7) I usually
hear a distinct click and when I turn the dial to the right, the dial stops at
about 0 and I open the door. However I can turn the handle and open the
safe also when the dial is at number 7 and do not have to go to 0 .
Sometimes I do not hear the click at the last given number (7) but the door
will still open. However in this case, if I were to turn the dial to the right the
dial will not stop at 0 and the door will not open at 0. The dialing is pretty
smooth in general but the behavior of my lock does not seem to be
consistent with my readings of your posts about the last turn. I am
wondering if there is something wrong with my lock. It is a hand change
Yale loick and soon I am going to (very carefully) take apart the wheels and
degrease the components and wipe them down with a bit of Triflow. Based
on the inconsistent last turn behavior of my lock, I am wondering if there is
something else I should do while I have the lcok taken apart and have access
to the rest of the components in the door. Thanks so much.

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