We just installed new Diamond kitchen cabinets and have a corner
cabinet appliance garage with a tambour door. The tambour door became
detached from its mechanism during assembly and we don't know how to
put it back together properly. I've searched the web for instructions
and googled this group as well as rec.woodworking without success.
The tambour mechanism is very similar to the one shown on this page:
As you can see, the door hangs from a wooden dowel suspended from two
brackets and the tambour slats fit between two plastic tracks. There is
a cam and a spring on the dowel.
For one thing, we are unsure of the function of the spring. Does it
assist in opening the tambour, or does it help shut the tambour after
it has been opened? How much tension should be on the spring and how is
it wound before attaching the tambour?
If anyone knows how to reassemble this kind of tambour mechanism, we'd
appreciate your assistance.
pretty easy situation...the spring is in effect a "torsion" spring similar to
those used on a vehicle garage door...you need to disconnect the rollup door
from the shaft(dowel) and make sure *both* ends of the spring are attatched at
the proper point, usualy a screw on the dowel and a screw in the bracket that
holds the dowel...you need to preload(wind) the dowel/spring assembly in the
direction the dowel moves when closing the door....the spring is there to
assist in opening the door and keep it open....so you need to wind it at least
as many rounds as it takes to roll the door up, plus a couple extra rounds for
some tension..you then reattatch the door to the brackets(plasitc usually) on
the dowel....then it will wind up the door...i install cabinets and just had to
do this very thing about a week ago, as the springs seem to be getting thinner
and thinner and more prone to breaking at the mounting screws...
I had to fix one, but it was about 10 years ago. What had happened was
that the cloth backing on the tambour tore in some places and I had to
take it out to repair it. I don't know if yours is the same as mine,
though. In mine, the spring helps to lift the door so that the door
rolls up and also to keep the door from falling down when it is rolled
up, similar to a window shade (but without the ratchet action). The
spring should be fully compressed (coiled), or even more than just
coiled, when the door is wide open and should uncoil as the door is
lowered. There are also nodes inside the plastic track near the bottom
to act as a friction stop to keep the door down.
Don't ask how it all goes together. I don't remember and I am not about
to take it apart to see. As I recall, it took me quite a while to figure
it out and get it all back together, especially when I was trying to
work on it with either my head or my hand inside the door (both would
not fit). A small mirror might help if you are used to working with
mirrored images. :-)
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