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Old 03-06-2019, 05:47 PM   #1
Sod Buster
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Default 47 front brakes

I have a stuck front brake drum, I'm pretty sure the brakes need backed off, I have tried the two 11/16 adjustment bolts that have the spring under them, I can get about a turn out of them and then it gets pretty solid feeling. Any suggestions would be welcomed.
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Old 03-06-2019, 05:56 PM   #2
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Default Re: 47 front brakes

the two 11/16 bolts have a cam on the inside. turning them out, towards the tire, they will stop when the shoes are tight to the drum. turning them in, towards the axle, takes the shoe off the drums to loosen. the cam has a notch at the end of its travel so it will stop at the innermost point. turn them in, then get a little violent with a rubber hammer on the backing plate, perhaps rattle the shoe off the drum
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Old 03-06-2019, 05:58 PM   #3
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Default Re: 47 front brakes

Quote:
Originally Posted by cas3 View Post
the two 11/16 bolts have a cam on the inside. turning them out, towards the tire, they will stop when the shoes are tight to the drum. turning them in, towards the axle, takes the shoe off the drums to loosen. the cam has a notch at the end of its travel so it will stop at the innermost point. turn them in, then get a little violent with a rubber hammer on the backing plate, perhaps rattle the shoe off the drum
Back to the garage.
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Old 03-06-2019, 06:04 PM   #4
19Fordy
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Default Re: 47 front brakes

Soak adjusters with WD-40, Liquid wrench etc.
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Old 03-06-2019, 06:06 PM   #5
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Default Re: 47 front brakes

Its off, it responded well to the violent beating with a rubber hammer.

Thank you for the help.
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Old 03-07-2019, 07:19 PM   #6
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Default Re: 47 front brakes

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How big of a chore is it to get the old hub onto a new drum, is that best done by a machine shop, the drums need turned but they look a little lite, I haven't taken them in yet but I don't have high hopes for them. The car still had good pads, just worn into the ruts, lol. Is Macs the best bet for drums, the four at a time deal kind of sucks.
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Old 03-07-2019, 08:26 PM   #7
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Default Re: 47 front brakes

Replacing the drums on the hubs is a job for someone that knows what they are doing and has a 20 ton press. Contact a local Model A or early V8 Ford Club and see who the members use. Don't leave them at a shop that thinks they can do it but hasn't done it before. Sorry I don't have any recommendations as the best place to buy drums.

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Old 03-07-2019, 10:20 PM   #8
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Default Re: 47 front brakes

the best drums are here, high quality american made good stuff. dont buy the chinese things at macs or speedway. charlie may be right to a point, but if you have some shop skills we can walk you thru it. http://www.bolingbrothers.com/brands...-Products.html
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Old 03-07-2019, 11:13 PM   #9
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Default Re: 47 front brakes

Also the original studs are swaged onto drum, they must be cut before removing.
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Old 03-07-2019, 11:20 PM   #10
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Default Re: 47 front brakes

The studs are actually rivets that have been deformed to lock the drum to the hub. A press will likely deform somethng. The studs are also pretty soft. I use a 5/8 deep hole saw and run it in to cut the pushed out metal swedge. This does not hurt anything. It goes supprisingly fast.

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Old 03-07-2019, 11:58 PM   #11
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Default Re: 47 front brakes

andy is right, dont try to press them out without cutting with a hole saw. you will warp the hub. dont ask how in know this
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Old 03-08-2019, 01:07 AM   #12
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Default Re: 47 front brakes

Thank you for the reply's, the info helps.
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Old 03-08-2019, 01:37 PM   #13
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Default Re: 47 front brakes

Dropped them off to see if they can be turned down, I have my fingers crossed but they looked pretty ugly.
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Old 03-08-2019, 01:45 PM   #14
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Default Re: 47 front brakes

Quote:
Originally Posted by cas3 View Post
the best drums are here, high quality american made good stuff. dont buy the chinese things at macs or speedway. charlie may be right to a point, but if you have some shop skills we can walk you thru it. http://www.bolingbrothers.com/brands...-Products.html

Why do they say that these drums can only be used with 1940-41 hubs?
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Old 03-08-2019, 02:52 PM   #15
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Default Re: 47 front brakes

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Why do they say that these drums can only be used with 1940-41 hubs?
The early drums have the hub on the inside and the later ones have the hub on the outside. You can't mix them. They interchange on the 1940-48 vehicles as a hub/drum assembly without problems.

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Old 03-08-2019, 03:10 PM   #16
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Default Re: 47 front brakes

This site was helpful with explaining the difference.
http://www.hotrodreference.com/1552/...s-brake-shoes/
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Old 03-08-2019, 03:52 PM   #17
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Default Re: 47 front brakes

I'm aware of the differences, but why does the source referenced above state that they are only for use on the early (40-41) style (with modifications)? They are also out of stock on that site it appears.
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Old 03-08-2019, 04:30 PM   #18
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Default Re: 47 front brakes

the new drums from mt products are only for the "drum over the hub" style. no one that i am aware of makes drums for the later 46 48 "drum under"
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Old 03-08-2019, 04:36 PM   #19
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Default Re: 47 front brakes

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the new drums from mt products are only for the "drum over the hub" style. no one that i am aware of makes drums for the later 46 48 "drum under"

My point exactly, so they're not much good for his '47!!
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Old 03-08-2019, 05:51 PM   #20
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Default Re: 47 front brakes

good point randy!! you would think with 47 in the title i would not have gotten off track. confused with the other drum thread going now maybe? or just crs. lol
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