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rear brakes draging  Rate Topic 
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 Posted: 06-17-2015 07:01 pm
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Barthol
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Hi

I am having problems with my rear brake binding.
I suspect that the problem is related to the assembly of the hand brake system.
On the attached drawing you can see the atachment points of spring no 21.
I suspect that it is mounted incorrectly as it seems to push the rear brake pad towards the drum.

anyone who knows where it should be attached?

br
barthol

Attachment: jh rear brake.jpg (Downloaded 101 times)

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 Posted: 06-17-2015 09:35 pm
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NigelK
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Hi Barthol

In your diagram, the left hand side of the spring should be inserted in the hole in the left hand brake shoe which is up and to the left of the rectangular slot through which the hand brake mechanism lever protrudes. It is a very fiddly job to insert the spring - I found it can help to hold the hand brake lever at an angle with the spring attached in the correct place at both ends, and then twist the lever into position. This gives you more leverage over the spring.

Hope this helps.

Best wishes,
Nigel

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 Posted: 06-18-2015 04:49 am
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Barthol
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Hi Nigel,

Is this the same hole where I attach the left side of the spring 20??

BR
Kim

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 Posted: 06-18-2015 04:52 am
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NigelK
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To clarify, this means you assemble the hand brake lever to the left hand brake shoe before you fit the lever / brake shoe assembly to the brake backing plate. The spring is not attached to the backing plate. The attachment point of the right hand end of the spring, as shown in your diagram, is correct.

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 Posted: 06-18-2015 04:59 am
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NigelK
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Our posts crossed in the internet ether...

I think, from memory, that the left hand side of spring 20 attaches to the same hole in the left hand brake shoe. But I may be mis-remembering as it's been a while since I stripped my drum brakes and they're not in the place where I'm staying at the moment. If not, it attaches to the hole immediately below the rectangular slot in the left hand brake shoe.

It should be easy enough to check - position the brake shoes correctly on the backing plate, and offer spring 20 up to the brake shoes. This spring is a bit of a stretch to position, but not too much.

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 Posted: 06-18-2015 05:03 am
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Barthol
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Hi Nigel,

I guess that it must be the same hole as the spring 20.
using the lower hole will forse the spring 21 to slide against the caliper.

So I guess that the drawing now shows the right connection points:-)

BR
Kim

Attachment: jh brake 2.jpg (Downloaded 50 times)

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 Posted: 06-18-2015 05:22 am
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NigelK
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Hi Kim

Yep, looks correct to me. You'll be able to tell for sure once you've assembled everything - if the springs are in the right place, everything will "look" aligned and in the right place.

Good luck!

Best wishes,
Nigel

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 Posted: 06-18-2015 05:27 am
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NigelK
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Sorry, have just noticed that one of the orange arrows in your diagrams has moved! The right hand end of spring 21 should attach to the notch in the handbrake lever shown in the first diagram you posted, not the notch in the H shaped end of the lever, as shown in your second diagram. Hope this nmakes sense...

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 Posted: 06-18-2015 05:50 am
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Barthol
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Hi Nigel

My Bad, you are right, I will make a photo from the actual assembly later today.
Thanks a lot for your help.

BR
Kim

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