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Thank you List,
Found excessive runout on the front driveshaft (engine-to-trans), this =
one is turning full-time whether the clutch is depressed or not. Spent =
$30 at the machine shop and I am back in business. Thanks to all who =
responded with real good comments.
Bill
=20
From: DAVID MASSEY [mailto:dave1massey@cs.com]=20
Sent: Tuesday, January 7, 2020 5:06 PM
To: bill_beecher@flash.net; triumphs@autox.team.net
Subject: Re: [TR] Strange Vibration
=20
When the clutch is depressed the rest of the drivetrain is out of the =
picture so everything points to the engine. =20
=20
If one of the clutch cover bolts is missing the imbalance may be quite =
pronounced. Let's hope it is something easy like that.
=20
Dave=20
=20
=20
-----Original Message-----
From: bill beecher <bill_beecher@flash.net =
Sent: Tue, Jan 7, 2020 4:51 pm
Subject: [TR] Strange Vibration
Not quite a TR but an older Morgan with the TR3A motor and Moss gearbox. =
I have a vibration that I can feel all the time but really is strong at =
the 2500-3000rpm range. With the clutch in it is still there, when =
driving it is worse. Drive shaft is straight and balanced, makes no =
difference with the wheels removed. Have pulled the front pulley and =
put a gauge on the crank end, no wobble. Engine mounts are tight.
=20
Prior to installation I ran the motor without a driveline extensively =
just in the chassis and all was good, is it possible for a clutch plate =
to be off-balance so much as to cause a noticeable vibration?
=20
Just fishing for any suggestions before I pull the motor and recheck the =
flywheel/clutch assembly.
=20
Thanks,
Bill
TS30800L
=20
Archive: http://www.team.net/pipermail/triumphs =
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
>Thank you List,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
>Found excessive runout on the front driveshaft (engine-to-trans), this =
one is turning full-time whether the clutch is depressed or not.=C2=A0 =
Spent $30 at the machine shop and I am back in business.=C2=A0 Thanks to =
all who responded with real good comments.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
>Bill<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
><o:p> </o:p></span></p><p class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
DAVID MASSEY [mailto:dave1massey@cs.com] <br><b>Sent:</b> Tuesday, =
January 7, 2020 5:06 PM<br><b>To:</b> bill_beecher@flash.net; =
triumphs@autox.team.net<br><b>Subject:</b> Re: [TR] Strange =
Vibration<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p> </o:p></p><div><div><p =
class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:black'>When the clutch is =
depressed the rest of the drivetrain is out of the picture so everything =
points to the engine. <o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:black'><o:p> </o:p></s=
pan></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:black'>If one of the =
clutch cover bolts is missing the imbalance may be quite =
pronounced. Let's hope it is something easy like =
that.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:black'><o:p> </o:p></s=
pan></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:13.5pt;font-family:"Arial",sans-serif;color:black'>Dav=
e </span><span =
style=3D'font-family:"Arial",sans-serif;color:black'><o:p></o:p></span></=
p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:black'><o:p> </o:p></s=
pan></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Arial",sans-serif;color:black'><o:p> </o:p></s=
pan></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>---=
--Original Message-----<br>From: bill beecher <<a =
href=3D"mailto:bill_beecher@flash.net";>bill_beecher@flash.net</a>><br>=
To: triumphs <<a =
href=3D"mailto:triumphs@autox.team.net";>triumphs@autox.team.net</a>><b=
r>Sent: Tue, Jan 7, 2020 4:51 pm<br>Subject: [TR] Strange =
Vibration<o:p></o:p></span></p><div id=3Dyiv3717619523><div><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Not=
quite a TR but an older Morgan with the TR3A motor and Moss =
gearbox. I have a vibration that I can feel all the time but =
really is strong at the 2500-3000rpm range. With the clutch in it =
is still there, when driving it is worse. Drive shaft is straight =
and balanced, makes no difference with the wheels removed. Have =
pulled the front pulley and put a gauge on the crank end, no =
wobble. Engine mounts are =
tight.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Pri=
or to installation I ran the motor without a driveline extensively just =
in the chassis and all was good, is it possible for a clutch plate to be =
off-balance so much as to cause a noticeable =
vibration?<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Jus=
t fishing for any suggestions before I pull the motor and recheck the =
flywheel/clutch assembly.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Tha=
nks,<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Bil=
l<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>TS3=
0800L<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>&nb=
sp;<o:p></o:p></span></p></div></div></div></div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>** =
<a href=3D"mailto:triumphs@autox.team.net";>triumphs@autox.team.net</a> =
**<br><br>Donate: <a =
href=3D"http://www.team.net/donate.html";>http://www.team.net/donate.html<=
/a><br>Archive: <a =
href=3D"http://www.team.net/pipermail/triumphs";>http://www.team.net/piper=
mail/triumphs</a> <a =
href=3D"http://www.team.net/archive";>http://www.team.net/archive</a><br><=
br><o:p></o:p></span></p></div></div></div></body></html>
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