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Old 07-09-2025, 04:44 PM   #1
benbuilder
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Default 1939-1942 brake parts question

I have a model A project i just bought.
It has 39-42 brakes on it. I am trying to adjust the brakes but noticed the eccentric bolts wont turn.
I took both sides apart and found that behind the nut that holds the eccentric to the backing plate (driveshaft side, not the tire side) there are three different washers between the nut and the backing plate.
One had a star washer, one had a lock washer, one had a washer and one had nothing. What should be behind the nut?
I have searched and have not seen exactly the info i need to do this right.
thanks
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Old 07-09-2025, 05:39 PM   #2
petehoovie
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Default Re: 1939-1942 brake parts question

Quote:
Originally Posted by benbuilder View Post
I have a model A project i just bought.
It has 39-42 brakes on it. I am trying to adjust the brakes but noticed the eccentric bolts wont turn.
I took both sides apart and found that behind the nut that holds the eccentric to the backing plate (driveshaft side, not the tire side) there are three different washers between the nut and the backing plate.
One had a star washer, one had a lock washer, one had a washer and one had nothing. What should be behind the nut?
I have searched and have not seen exactly the info i need to do this right.
thanks
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Old 07-09-2025, 05:52 PM   #3
42merc
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Default Re: 1939-1942 brake parts question

One lock washer behind the nut..
So says the Green Book.
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Old 07-09-2025, 05:58 PM   #4
cas3
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Default Re: 1939-1942 brake parts question

Some one has been hammering on those. There was originally a dot on one side of the end to indicate the point where its backed off all the way. The two dots faced each other at that point.
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Old 07-10-2025, 06:06 AM   #5
benbuilder
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Default Re: 1939-1942 brake parts question

thanks for the help
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Old 07-10-2025, 08:32 AM   #6
19Fordy
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Default Re: 1939-1942 brake parts question

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benbuilder: Be sure to read all the info in the thread below.
https://www.fordbarn.com/forum/showt...st+1940+brakes
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Old 07-11-2025, 12:21 PM   #7
benbuilder
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Default Re: 1939-1942 brake parts question

thank you
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