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Handbrake Problems (Still)


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#1 Lenhamracer

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Posted 12 February 2020 - 10:22 AM

the hand brake on my 75 clubman is still not working properly. I changed the quadrants because they where the wrong side around and they hitted the suspension arm. Now they still get very close and on one side the quadrant hits the arm (just - I filed it down on one side a bit) and full movement is not possible. I have changed the drums, pads, springs, handbrake mechanism. Still the same. Might it be the cable?? May be the distance from the little pin to the drum is too long??

 

thank you very much

 

Thomas


Edited by Lenhamracer, 12 February 2020 - 10:24 AM.


#2 nicklouse

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Posted 12 February 2020 - 10:41 AM

Pictures?



#3 GraemeC

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Posted 12 February 2020 - 11:05 AM

In what way is it 'not working properly' - excessive handbrake lever travel, not locking the rear brakes, binding?

What condition are the adjusters and tappets in?

Are the shoes the correct way round?

Do you have the early or later type mechanism arms?

How are you setting the adjustment?



#4 Lenhamracer

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Posted 12 February 2020 - 01:09 PM

Yes the handbrake is not locking the rear brakes. I don‘t know if the lever in the brakes is a newer or older type. Bought it from minispares a year ago. I will take some pictures today later.

#5 Lenhamracer

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Posted 12 February 2020 - 01:11 PM

Adjustement has been made withe the adjuster in the drum brake and the cable in the car where it connects to the lever. The adjusters seem to be fine.

#6 Lenhamracer

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Posted 12 February 2020 - 05:28 PM

As you can See, under full handbrake the quadrant hits the suspension arm. If turned around it hits the arm even earlier

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#7 GraemeC

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Posted 12 February 2020 - 05:34 PM

To begin with the shoes are on upside down - the leading edge is trailing.

 

I presume the photo of the quadrant was before you took the drum off. 

If it is moving too far there then either the drum is excessively worn (unlikely), the cable has stretched, or the adjustment isn't correct (most likely).

 

So correct the shoes and put it back together and the wheel back on.
Slacken the adjustment nuts at the hand brake lever in the car right off

Adjust at the rear brake until the wheel turns but drags - should give no more than on free rotation when you spin it, preferably less.

Do the other side to match.

Now adjust at the lever in the car until 3-4 clicks make the wheels lock up.

 

Also - check the quadrants aren't seized, otherwise no amount of adjustment at the back will help.


Edited by GraemeC, 12 February 2020 - 05:35 PM.


#8 nicklouse

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Posted 12 February 2020 - 05:37 PM

shoes the wrong way around.



#9 Lenhamracer

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Posted 12 February 2020 - 05:56 PM

Ok Thank you very much, is ist this way?

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#10 GraemeC

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Posted 12 February 2020 - 06:02 PM

Yes, that looks correct



#11 Lenhamracer

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Posted 12 February 2020 - 06:08 PM

One side done and ist seems to work much better now. Quadrant has lots of space left under full handbrake. Will do the other side tomorrow as I have to leave for dinner now. Will keep you updated.

Thank you very much

Thomas
This january, winter rally in Austria

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#12 Lenhamracer

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Posted 13 February 2020 - 11:39 AM

Success!! Now everything works - thank you very much, fantastic advice. I really didn´t know which way to fit the shoes. Do you think they have to bed in now as I turned them around? I used them for 1500km or so...



#13 GraemeC

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Posted 13 February 2020 - 11:41 AM

You might need to keep an eye on the adjustment, they may start to bed in differently


Edited by GraemeC, 13 February 2020 - 11:41 AM.


#14 Lenhamracer

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Posted 13 February 2020 - 09:11 PM

I will do - Thank you

Nee topic started with a complete different problem
Dash top rail fresh air duct




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