Today I replaced my front door speakers on my 87 Westy--with Rockford
Fosgate, 4' 2 ways---and the window crank hitting the speaker as you
crank the window up  or down syndrome struck---

The Rockford's are a little bit taller than the Blaupunkt's I have in my
85 GL, and the small washer spacer behind the handle wasn't going to
work----

I discovered the absolute easiest resolve of all---

I took some 1/8th inch syn-flex air line      ( the air line for the
brakes on a Mack, or any other semi ) and simply cut off a 1/16th inch
piece of the plastic line with a razor blade, and dropped it into the
back side of the crank, around the screw----mounted the crank on the
splined shaft, and ran down the screw-----

This was enough to clear the speaker grills, with room to spare----

This was the easiest way I have resolved this common problem to
date-----fast,  simple, and it works----

Any truck parts department would most likely give you a short length of
this stuff, because you won't need that much--ask them for an inch of
it----that's all you'll need to get the job done---

Later

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Terry--

       "Zoom, Zoom, Zoom"
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http://community.webtv.net/CTONLINE/TerrysHighOnLife