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-   -   Orientation of drum brake adjuster bar (https://67-72chevytrucks.com/vboard/showthread.php?t=846473)

dmjlambert 08-04-2023 12:08 AM

Orientation of drum brake adjuster bar
 
2 Attachment(s)
I have the front drum brakes open on the passenger side. It is for a 1969 C-10 1/2 ton pickup. This is a look at the pushing edge of the auto adjuster bar.

Attachment 2284195

And this is the way it was oriented to push the star wheel. Is this incorrect and the auto adjuster bar is from the driver side brakes? I'm not sure if the indented edge is supposed to stick out like that, or stick in towards the star wheel. If I had to guess it seems logical the indented edge of the adjuster bar would be sticking in toward the teeth of the star wheel that it's pushing down against.

Attachment 2284198

kwmech 08-04-2023 12:23 AM

Re: Orientation of drum brake adjuster bar
 
One would think so, but the orientation is correct in the pic

71CHEVYSHORTBED402 08-04-2023 01:38 PM

Re: Orientation of drum brake adjuster bar
 
1 Attachment(s)
The levers should be stamped L or R respectively.

jocko 08-04-2023 02:58 PM

Re: Orientation of drum brake adjuster bar
 
Tony that's one of my favorite pics on this site - it takes time to document something with that level of detail and you've built a gold mine of really helpful documentation over the years - thank you :)

Steeveedee 08-04-2023 04:36 PM

Re: Orientation of drum brake adjuster bar
 
I've never heard a front brake shoe called a "slipper", it's the primary shoe.

dmjlambert 08-04-2023 08:17 PM

Re: Orientation of drum brake adjuster bar
 
Thanks, good info.

67 twins 08-04-2023 10:52 PM

Re: Orientation of drum brake adjuster bar
 
Quote:

Originally Posted by Steeveedee (Post 9226899)
I've never heard a front brake shoe called a "slipper", it's the primary shoe.

He's not talking about the brake shoe. It's literally labeling his right slipper.

dmjlambert 08-04-2023 10:54 PM

Re: Orientation of drum brake adjuster bar
 
that's funny right there!

Steeveedee 08-05-2023 09:12 AM

Re: Orientation of drum brake adjuster bar
 
Quote:

Originally Posted by 67 twins (Post 9227050)
He's not talking about the brake shoe. It's literally labeling his right slipper.

:dohh:

:lol:

697498chevy 08-05-2023 11:07 AM

Re: Orientation of drum brake adjuster bar
 
My auto adjust bar is the same way . I've wondered before if it was backwards . Thanks !

dmjlambert 08-05-2023 07:46 PM

Re: Orientation of drum brake adjuster bar
 
1 Attachment(s)
What is the do-dad called that is in the center top that the guide plate and springs fit onto and that the shoes fit up against, and it also screws into the backing plate and spindle? I am parting out assemblies and I know some folks need those every now and then when they break. Are they the same part in front and rear?

dmjlambert 08-05-2023 08:14 PM

Re: Orientation of drum brake adjuster bar
 
I found out, it is the anchor pin. Is it different between front and rear? Still looking for that answer. Thanks.

71CHEVYSHORTBED402 08-07-2023 08:08 PM

Re: Orientation of drum brake adjuster bar
 
Quote:

Originally Posted by jocko (Post 9226849)
Tony that's one of my favorite pics on this site - it takes time to document something with that level of detail and you've built a gold mine of really helpful documentation over the years - thank you :)

Thank you Jocko. Couldn't have done it without encyclopedias like yourself.

Steeveedee 08-07-2023 08:22 PM

Re: Orientation of drum brake adjuster bar
 
The length of the anchor pin will depend on the width of the shoes, and on the offset of the backing plate. Not certain about trucks, but from sedan to wagon, the backing plates are different on vehicles because the wagons would have wider shoes on the rear brakes, generally the same as the front brakes. I'm talking about '60s in general, with all 4 wheels as drum brakes.


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