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Sonora Auto Brake Help Requested
Posted: Thu Sep 05, 2024 9:19 am
by Dave D
I have this Sonora brake that was missing the extension spring. I have fitted a new one to it, and it sort of works. If I push the lever on the right side in an upward direction, the brake trips, If I push the red rubber stop pad to the left, it resets. However, nothing happens when I pull the lever on the left side downward. What am I not understanding? It seems so simple...
Thanks!
Dave D
Re: Sonora Auto Brake Help Requested
Posted: Thu Sep 05, 2024 10:26 am
by Inigo
Could it be that there is something broken where I have added the red mark?
It seem like it should open and reload the brake when you turn the left lever downwards... moving the red rubber foot to the left.
Re: Sonora Auto Brake Help Requested
Posted: Thu Sep 05, 2024 11:13 am
by Dave D
Inigio,
I think you might be right. I looked at it carefully and it does appear that something is broken.
Dave
Re: Sonora Auto Brake Help Requested
Posted: Thu Sep 05, 2024 11:40 am
by JerryVan
In the area indicated by Inigo, it appears that there should be a bent-over tab on the end of the long linkage piece. Such a tab, or "finger", would presumably catch & pull on the brake arm to reset it.
Re: Sonora Auto Brake Help Requested
Posted: Thu Sep 05, 2024 2:52 pm
by Dave D
Jerry and Inigo are correct that a tab is broken off. I wonder if I could braze a glob on there and then file it to work?
I don't have a lot of experience with brazing, but it might work.
Dave
Re: Sonora Auto Brake Help Requested
Posted: Thu Sep 05, 2024 3:33 pm
by JerryVan
Re: Sonora Auto Brake Help Requested
Posted: Fri Sep 06, 2024 8:13 pm
by Dave D
Jerry! I looked all over on Ebay hoping to find one like this. I can't believe I missed this. It definitely shows what mine is missing. Thank you!
Dave