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Old 04-20-2013, 10:59 PM   #1
Plaka OP
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Rear drive shim numbers?

I looked up the part number of a /7 rear drive outer (cover) shim:


33 12 1230535 Shim
90X99,8X0,180MM



But I don't get how you tell how thick it is???? Is this one of those deals where a comma is used in place of a decimal point?

so 90 x 99.8 x 0.180mm
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Old 04-20-2013, 11:19 PM   #2
R-dubb
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The numbers are sequencial, I believe in 0.05 MM steps. Most of the drives I've messed with have one shim slightly larger to get close, then as many of the 0.20 MM rings as it takes to make up the rest. You can stack in any increment.

Although, as I look at the /7 part numbers they don't seem to have any real thin ones. That would mean making an exact measurement before buying, which is harder. I prefer to test various sizes until I get a zero free play condition, then add for preload.

The numbers I see listed dont match yours either. Ending in 230 717 = 1.50MM. Next number up = 1.55 and so on up to 2.50MM
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Old 04-20-2013, 11:33 PM   #3
Warin
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Quote:
Originally Posted by Plaka View Post
Is this one of those deals where a comma is used in place of a decimal point?

so 90 x 99.8 x 0.180mm
Quite probable. Europeans go in for commas instead of a decimal point, makes .csv files go funny.
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