Senior moment - rear drum brake help needed - SORTED

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As title I had a bit of a senior moment when taking off the rear wheel to fix some binding brakes. The machine has been stood for a while. Anyhow, ended up taking off the brake arm without marking its original position.

So now when everything is connected together applying the brake just locks the brake on, it doesn't release.

Any help appreciated as I can't remember the trick to set these right (so two senior moments then, Alzheimer's here we come).

Thanks in anticipation
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...and the whirlwind is in the thorn trees, it's hard for thee to kick against the pricks...
Gibbs, what did Duckie look like when he was younger?

[truslack]

The springs on the shoes should pull the brake back off, as long as the cam isn't going through a full 90degrees and the shaft with the cam on isn't siezed solid.

Have you overtightened the brake arm so its turning the cam through 90 degrees?

[edited cause I'm a retard and wrote break]
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Current: Suzuki RG 125 Gamma, Honda H100, Triumph Tiger 800XC, Suzuki SV650 (minitwin)

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[truslack]

What bike is it? Trial and error should get you pretty damn close within a couple of attempts.

Are you SURE there isn't a mark on the end of the splined shaft?

Like this:

https://w6rec.com/duane/bmw/brake/bmw_front_brake1.jpg
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Current: Suzuki RG 125 Gamma, Honda H100, Triumph Tiger 800XC, Suzuki SV650 (minitwin)

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[Raffles]

Presumably the purpose of stripping down your brake drum was to clean and lightly grease all of the moving parts. You did do this didn't you? I would imagine that you also would have checked the condition of the brake linings. If these were found to be serviceable then it is highly unlikely that the cam would be able to go through 90 degrees (unless the brake drum is severely worn). As for the positioning of the break arm, just do a bit of trial and error as it should only take a couple of minutes per try.
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A good loser will always be a loser.

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Now sorted the problem, well, 98% there

Turns out the brake camshaft wasn't as cleaned and lubricated as I thought (I'd delegated, if a jobs worth doing, etc.).

It had actually stuck at an angle. Thus giving the impression of binding brakes (because they were!) and probably allowed rotation to 90 degrees so sticking the brakes on.

Removed the camshaft, cleaned, lubricated and reassembled.

Now works fine although I need to fine tune the arm placement as the pedal travel is too much before brakes applied. I can confirm that there are no score or punch marks on the cam or the arm to assist replacement.

Thanks for the assistance.
____________________
...and the whirlwind is in the thorn trees, it's hard for thee to kick against the pricks...
Gibbs, what did Duckie look like when he was younger?

[truslack]

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