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Brake adjustment on Al-Ko axle?

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I'm wondering if someone could advise me how to adjust the overrun brakes on my 2005 Cristall Moorea. The overrun shaft is travelling very close to the end of it's travel before braking is achieved.

Yesterday I jacked the van up with a trolley jack and removed one of the wheels expecting to find some visible adjuster. None. I did, however, find what appears to be a plastic blanking plug towards the edge of the backing plate. All this by means of using a shaving mirror as I couldn't get my head in far enough to see.......Is the adjuster behind this plug? If so, what tool is inserted to carry out adjustment, please?

Ian

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Posted (edited)

I think you have found the lining inspection port plugs, not the adjuster.

These things are quite specialised because of the auto reversing mechanism and you need to read and understand how they work and the importance during adjustment not to move the drum in the reverse direction, at all. Also it is important not to adjust up too "tightly", give more freedom than with car drums so the reverse tumbler can "tumble" and so not cause a brake lock up come reversing the van up an incline.

Here is a link:

http://www.al-ko.co.uk/edit/files/handbooks/overrun-braking-system-handbook.pdf

Edited by Ocsid
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Posted

I think you have found the lining inspection port plugs, not the adjuster.

These things are quite specialised because of the auto reversing mechanism and you need to read and understand how they work and the importance during adjustment not to move the drum in the reverse direction, at all. Also it is important not to adjust up too "tightly", give more freedom than with car drums so the reverse tumbler can "tumble" and so not cause a brake lock up come reversing the van up an incline.

Here is a link:

http://www.al-ko.co.uk/edit/files/handbooks/overrun-braking-system-handbook.pdf

Ocsid, the link is very helpful, thank you. Now I know what to look for, where to find it and what to do when I've found it. Many thanks.

Ian

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