Topica Loopframe_Guzzi Archive
 

Subject: Re: Eldo Project started - Tranny reshimming - help with input shaft

Author: Tom Christian

Date: Feb 21, 2005, 10:05 AM

Post ID: 1718429095


Thanks for the hints guys - put it up on blocks, a good
whap or 3 and it was out. Just too chicken to hit it hard
enough the first time.

Interesting find though in the disassembly, the rear cover
had been put on with no gasket, and the rear layshaft nut
came off pretty easily, as did the Clutch Boss nut.

Everything I've read says shim w/o the gasket, then add
the gasket on final assembly as this allows for heat
expansion. Could this have been the cause of the original
issue with the layshaft retainer nut - heat expansion
causing it to rub against the case?

-tom

On Mon, 21 Feb 2005 06:45:37 -0800
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Oddly, the one that I fixed had an input shaft that took
a few good whacks to get out. Makes sure all fastenings
are off, putt down some padding, set the tranny on the
flange for the rear cover, and whack it with a plastic
hammer.

GF

On Monday, February 21, 2005, at 04:50 AM, tom christian
wrote:

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Any thoughts on why the input shaft is being so
stubborn?

On Sun, 20 Feb 2005 17:03:03 -0800
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If it shifted OK before, no need to reshim the shafts.
I repaired one just like you describe (hole punched
through case)
last fall. Just tighten everything well, and it should
work if it was
working. In your case, the nut on the aft end of the
shaft may also
have been loose, causing the crunchy shifting. Take out
the output
shaft and make damn sure you have the front, ccw
tightening, nut
fully seated. Use red loctite on it and punch it
thoroughly to
prevent loosening. Then shim the drum.
GF
On Sunday, February 20, 2005, at 02:52 PM, tom christian
wrote:
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The long story as short as possible - last spring I
bought my '74
disc Eldo Police and after a few miles the forward
layshaft nut
chewed through the tranny case (last year). I tried the
quick fix -
attaching a new nut through the chewed hole and sealing
the hole up
with scrap aluminum and JB Weld - and the tranny made
godawful
noises when shifting up from first as it transitioned
neutral - so I
put it away.

Just getting around to starting the project now - so,
using Pete
Ropers DIY article from guzzitech on shimming as a
reference I
pulled the tranny apart today - and it all looks brand
spanking new.
Nothing broken, no metal bits. The input shaft is not
coming out,
even after a few taps. Before I go wailing on it, I
thought I'd
check to see if there's something I missed - it feels
like its still
"locked" in place - I removed the nut, tang washer and
Boss. Also
interesting, I only found one hardened washer under the
pegnut on
the speedo, not under the drive itself?

If anyone has any hints on what to look for, and
reshimming the 3
shafts (not just the drum), certainly appreciated.

Thanks, -tom

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