Topica Loopframe_Guzzi Archive


Subject: RE: Clutch weirdness

Author: joe jump

Date: Jun 29, 2005, 9:01 AM

Post ID: 1719093021



Yea, right Kev!

I guess, if the wire diameter & number of coils are the same, but the
gaps between the coils were larger on one set of springs as compared to
another (longer free length), you could get more travel between free
length and coil bind. But the distance between the pressure plate and
the flywheel (where the springs live) is fixed by the thickness of the
clutch pack, i.e., the 2 friction plates, the intermediate plate, and
the pressure plate, stacked up against the ring gear. Longer free length
springs with same wire gage & coils just provide more spring pressure
because they are compressed more. Maybe your problem was related to
indexing of the pressure plate to the flywheel; if they aren't alligned
correctly the springs won't fit into their pockets provided in the
flywheel & pressure plate, which probably would cause a coil bound
condition.



Kevin Graf wrote:
 
Just the opposite.


Well, the way I figured it was that the plates are under load or spring
tension all the time and at the rear of the pack, so, they are already
compressed, as you pull the clutch in, the clutch arm pushes on the
rod/pressure plate, this compressed the springs to their limit. The
longer springs I got from mg, well were longer which gave the springs
more travel to be able to disengage the plates all the way.. right?
right...:-)

Kev






-----Original Message-----
From: joe jump [mailto:jum-@hotmail.com]
Sent: Wednesday, June 29, 2005 10:33 AM
To: Loopfram-@topica.com
Subject: RE: Clutch weirdness

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Gregs,
As I recalled, I used the same spacers that came with
Junkyard (71 Ambo) to mount the 850T 5-speed into it's frame. I checked
my Eldo parts manual that I had previously downloaded from Moe's site &
compared it to the 750 parts manual, 2nd edition at This Old Tractor.
Both parts manuals show the spacers as identical left & right, and both
machines share the same part number 1242 9800.

Kev- don't quite follow how short clutch springs
wouldn't allow the clutch to disengage - sure you didn't mean springs
that were too long, coil bound, preventing disengagement? Wouldn't short

springs apply less pressure to the clutch pack, allowing the clutch to
slip?


Joe in St Louis
850T-Powered Ambo
"Junkyard"

Greg Field wrote:
 
Sounds like someone used 4-speed spacers with this ELdo. More
wierdness.
 

On Wednesday, June 29, 2005, at 06:55 AM, Greg Bender wrote:

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Forgot to mention, if you need "official" measurements, I can take
the
 
 bolt out tonight and let you know what they are. Just let me know.


Greg Bender wrote:
 
Ah ha! I originally thought you were referring to the alignment
spacers
that fit in the bellhousing so that the alignment of the
engine-transmission is not completely depending on the studs.

But now, I see that you are referring the aluminum spacers that fit
on
 
 
 either side of the transmission, through which the large
transmission
 
 
 mounting bolt is slid.

I just measured these on my Ambo with a 4 speed...still mounted, so

 
 
 they

are close, but not *perfect* measurements:

Right side = 42 mm
Left side = 57 mm

I don't know what they should be for an Eldo with a 5 speed, but I
thought I'd toss these numbers out, anyway. Perhaps something got
switched at some point in the bike's life???


Greg Field wrote:
 
 5. As long as the transmission and engine mate properly, I don't
suppose
there is anything wrong with the trans spacer being longer on one

 
 
 
 
 side
than the other...perhaps it just worked out of the aluminum case?

I figure the frame must be bent or something. Complicatd greatly
my
 
 
 
 efforts to get the swingarm aligned with the tranny output.

Regards,

Greg Bender
1971 Ambassador
2000 Quota
http://www.thisoldtractor.com/gtbender

Florida MGNOC website
http://www.thisoldtractor.com/fl_mgnoc

Minnesota MGNOC website
http://www.thisoldtractor.com/mn_mgnoc



Regards,

Greg Bender
1971 Ambassador
2000 Quota
http://www.thisoldtractor.com/gtbender

Florida MGNOC website
http://www.thisoldtractor.com/fl_mgnoc

Minnesota MGNOC website
http://www.thisoldtractor.com/mn_mgnoc

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Joe in St Louis
850T-Powered Ambo
"Junkyard"

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