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Post by rocky on Dec 8, 2006 20:18:09 GMT -5
Why is the brake such a problem on Edison machines? The brake leather gave way on the C-450 some time ago and just gave way on the C-250 tonight. Should I expect this to be a chronic problem with Edison DD machines and try to become adept at dealing with it?  Rocky |
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Post by neophone on Dec 9, 2006 3:41:07 GMT -5
Rocky,
What do you mean "gave way"? Has the leather just slipped back a bit in the prongs? My H-19 was doing that for a while, I just pushed it forward again and gave it a good squeeze. ;D
Regards,
J.
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Post by rocky on Dec 9, 2006 12:35:52 GMT -5
John, yeah, the brake leather slipped back on the C-250. I tried to push it back into place with my finger and with the end of a pair of pliers and I did squeeze it gently. It is working--somewhat--but I suspect it's something I'll have to do with every couple of plays.
As for the C-450, the brake leather was crumbling, so that really can't be pushed back.
Rocky
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Post by maroongem on Dec 9, 2006 13:09:38 GMT -5
Hi Rocky,
What has happened is that over 80+ yrs, the leather has dried out and shrunk, allowing it to be pushed backward. These pads were to be oiled at the time of routine oiling of the mechanism.
What I have done in the past if the leather hasn't began to crumble is to carefully bend the prongs back and remove the brake pad. I then place the pad in a small jar filled with a light machine oil(sewing machine oil is good) and leave it there until it absorbs enough oil to become soft. Put the pad back in the pad holder and carefully close the prongs around the pad.
I use a small smooth jawed needle nose plier that I have glued thin strips of leather to the jaws so as not to mar the finish.
A good indication of a dry pad is a squealing noise when the brake is applied, or the turn table will make a few more revolutions before it stops. The turntable should stop immediately if the pad is properly lubricated.
If you need to replace the pad, try a craft store for the leather. My local one (Michael's) sells bags of leather pieces in different sizes and widths.
Hope this helps!!!
Bill
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Post by neophone on Dec 10, 2006 4:47:37 GMT -5
Bill, Good idea, I never thought of just letting the leather soak in oil. And I love the idea for the pliers! Double plus good!  Regards, J. |
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Post by rocky on Dec 10, 2006 11:56:15 GMT -5
I find that the turntable will stop immediately if the brake leather is properly in place and hasn't slipped. Once the leather gets pushed back in, the turntable will tend to coast. I understand that one temporary fix is to cover the brake leather area with masking tape.
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Post by orthophonic on Apr 19, 2007 11:59:58 GMT -5
A round leather sewing machine belt for a treadle type machine is still available at sewing machine stores and even an old one will make zillions of brake pads and is very very cheap!
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