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MMD > Archives > October 2003 > 2003.10.09 > 03Prev  Next


Gem Roller Organ Repair
By Larry Wilson

I have today completed replacing the exhauster bellows and reservoir
bellows on a Gem Roller Organ.  All bellows are now working properly.
There are three problems which I'm not sure how to resolve.  They are

1.  The wooden connecting rod (P3) that connects the crank to the
bellows below slips off the crank because the small wood screw does
not hold the prongs of the rod tightly together.  I tied the top ends
of the two prongs together with twine and that keeps the crank from
slipping out of the connecting rod.  Probably I need a replacement
connecting rod, or a clever way to hold the prongs together.

2.  One of my exhauster bellows "farts" with each exhaust of air.
Do I have the leather too tight?  How do I fix it?

3.  The driving arm on the shaft slips and the cob doesn't turn evenly.
How can I repair this so that the driving arm doesn't slip?

Thanks to everyone who has contributed to my repair effort.  When
I get these three things fixed this old roller organ will once again
play music.

Larry Wilson


(Message sent Thu 9 Oct 2003, 19:53:06 GMT, from time zone GMT-0400.)

Key Words in Subject:  Gem, Organ, Repair, Roller

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