How much preload for the kingpin bearings?

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turoa
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How much preload for the kingpin bearings?

Post by turoa »

supralux has sent me one of his fancy swivel housing rebuild kits. Before I start rebuilding it, how much preload should the kingpin bearings have? I read on the net, 0.40mm is good? you could also give the answer to me as; There should be put number here of those fancy shims that come with the kit :lol:
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oldblue
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Post by oldblue »

With the tie rod disconected from the stearing arm, use a spring balance , 4 to 5Lbs Preload, while it is on the move. 18 to 2.3kg
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oldblue
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Post by oldblue »

I can't relate to what the 0.40mm is, mm is a measuement of lenght ,not preload energy
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turoa
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Post by turoa »

oldblue wrote:I can't relate to what the 0.40mm is, mm is a measuement of lenght ,not preload energy


Its just what the americans have put on the net. As you can probably tell, Im not too experienced at rebuilding axles :oops:
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De-Ranged
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Post by De-Ranged »

:wink: heres a tip for ya to measure the braking moment on the bearings, its what I do
With the felt seals undone get a full 4L contator hang it on a string run over a bar to the end of your steering arms this is equivelent to the normal setting. I work on about 4-6L range due to the bigger wheels and harder use
here this might help :roll: explain my shit discription :lol:

Image

Just increase or decrease the shims till you get the right amount, make certain you have the same amount of shims top and bottom

Cheers Reece
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