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08-04-2023, 12:08 AM
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#1 |
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Senior Member
 
Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,873
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Orientation of drum brake adjuster bar
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.
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. |
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08-04-2023, 12:23 AM
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#2 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,641
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Re: Orientation of drum brake adjuster bar
One would think so, but the orientation is correct in the pic
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08-04-2023, 01:38 PM
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#3 |
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Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,325
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Re: Orientation of drum brake adjuster bar
The levers should be stamped L or R respectively.
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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08-04-2023, 02:58 PM
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#4 |
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Senior Member
Join Date: Oct 2009
Location: Godley, TX
Posts: 17,975
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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
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08-04-2023, 04:36 PM
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#5 |
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Who Changed This?
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,708
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Re: Orientation of drum brake adjuster bar
I've never heard a front brake shoe called a "slipper", it's the primary shoe.
__________________
~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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08-04-2023, 08:17 PM
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#6 |
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Senior Member
Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,873
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Re: Orientation of drum brake adjuster bar
Thanks, good info.
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08-04-2023, 10:52 PM
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#7 | |
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Senior Member
Join Date: Mar 2019
Location: Herculaneum MO (20 minutes south of St. Louis
Posts: 649
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Re: Orientation of drum brake adjuster bar
Quote:
__________________
67 C10 283 T5 swapped longbed fleetside = wife's daily driver 67 C20 292 (originally a 250)4speed longbed fleetside w/original wooden bed=my project truck 67 C10 283+.060 (so a 292 as well)T5 swapped longbed fleetside=my DD 72 C1500 Sierra Grande 350 TH350 longbed fleetside=wife's fair weather truck Can you tell we are fans of longbed fleetsides & 67s Chris |
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08-04-2023, 10:54 PM
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#8 |
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Senior Member
Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,873
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Re: Orientation of drum brake adjuster bar
that's funny right there!
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08-05-2023, 09:12 AM
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#9 | |
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Who Changed This?
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,708
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Re: Orientation of drum brake adjuster bar
Quote:
 
__________________
~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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08-05-2023, 11:07 AM
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#10 |
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Registered User
Join Date: Jan 2009
Location: South Carolina
Posts: 266
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Re: Orientation of drum brake adjuster bar
My auto adjust bar is the same way . I've wondered before if it was backwards . Thanks !
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08-05-2023, 07:46 PM
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#11 |
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Senior Member
Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,873
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Re: Orientation of drum brake adjuster bar
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?
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08-05-2023, 08:14 PM
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#12 |
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Senior Member
Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,873
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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.
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08-07-2023, 08:08 PM
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#13 | |
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Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,325
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Re: Orientation of drum brake adjuster bar
Quote:
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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08-07-2023, 08:22 PM
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#14 |
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Who Changed This?
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,708
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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.
__________________
~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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| auto adjuster, drum brakes, star wheel |
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