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This pressure plate looks more like a TR4 plate with multiple fingers, not a=
three finger TR3. I have a couple things to try before I open it up, but I=
=E2=80=99m afraid that=E2=80=99s where I=E2=80=99m headed. =20
Thanks,
Bill
Cactus Jack drinks coffee black......MMM
> On Jan 7, 2020, at 6:34 PM, jpaynepbr@cox.net wrote:
>=20
=EF=BB=BF
Bill,
=20
I purchased a TR3 a few years ago with a freshly rebuilt motor.
=20
Whoever put that motor together overtightened the 4 bolts holding the flywhe=
el to the crankshaft. They broke.
=20
Flywheel came off the back of the motor and destroyed the transmission case i=
n spectacular fashion. I=E2=80=99m lucky to have escaped injury.
=20
Those Morgan clutch pressure plates have 3 =E2=80=9Cfingers=E2=80=9D on them=
that the throwout bearing presses against. I believe it is the same as an A=
ustin Healey 100 clutch =E2=80=93 I=E2=80=99ve seen a few Morgans and AH=E2=80=
=99s that had one or more of the fingers missing, which would throw things o=
ut of balance =E2=80=93 they are held in place with a pretty fragile spring.=
=20
=20
From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of bill beecher
Sent: Tuesday, January 7, 2020 2:51 PM
To: triumphs@autox.team.net
Subject: [TR] Strange Vibration
=20
Not quite a TR but an older Morgan with the TR3A motor and Moss gearbox. I h=
ave a vibration that I can feel all the time but really is strong at the 250=
0-3000rpm range. With the clutch in it is still there, when driving it is w=
orse. Drive shaft is straight and balanced, makes no difference with the wh=
eels 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 i=
n 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 fly=
wheel/clutch assembly.
=20
Thanks,
Bill
TS30800L
=20
** triumphs@autox.team.net **
Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archive=
ash.net
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">This pressure plate looks more like a TR4 p=
late with multiple fingers, not a three finger TR3. I have a couple t=
hings to try before I open it up, but I=E2=80=99m afraid that=E2=80=99s wher=
e I=E2=80=99m headed. <div><br></div><div>Thanks,</div><div>Bill</div>=
<div><br><div dir=3D"ltr">Cactus Jack drinks coffee black......MMM</div><div=
dir=3D"ltr"><br><blockquote type=3D"cite">On Jan 7, 2020, at 6:34 PM, jpayn=
epbr@cox.net wrote:<br><br></blockquote></div><div dir=3D"ltr">=EF=BB=BF<met=
a http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"><met=
a name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)"><style>=
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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--><div class=3D"WordSection1"><p class=3D"Ms=
oNormal">Bill,<o:p></o:p></p><p class=3D"MsoNormal"><o:p> </o:p></p><p c=
lass=3D"MsoNormal">I purchased a TR3 a few years ago with a freshly rebuilt m=
otor.<o:p></o:p></p><p class=3D"MsoNormal"><o:p> </o:p></p><p class=3D"=
MsoNormal">Whoever put that motor together overtightened the 4 bolts holding=
the flywheel to the crankshaft. They broke.<o:p></o:p></p><p class=3D=
"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNormal">Flywheel came off th=
e back of the motor and destroyed the transmission case in spectacular fashi=
on. I=E2=80=99m lucky to have escaped injury.<o:p></o:p></p><p class=3D=
"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNormal">Those Morgan clutch p=
ressure plates have 3 =E2=80=9Cfingers=E2=80=9D on them that the throwout be=
aring presses against. I believe it is the same as an Austin Healey 10=
0 clutch =E2=80=93 I=E2=80=99ve seen a few Morgans and AH=E2=80=99s that had=
one or more of the fingers missing, which would throw things out of balance=
=E2=80=93 they are held in place with a pretty fragile spring. <o:p></o:p><=
/p><p class=3D"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNormal"><o:p>&=
nbsp;</o:p></p><div><div style=3D"border:none;border-top:solid #E1E1E1 1.0pt=
;padding:3.0pt 0in 0in 0in"><p class=3D"MsoNormal"><b>From:</b> Triumphs <=
;triumphs-bounces@autox.team.net> <b>On Behalf Of </b>bill beecher<br><b>=
Sent:</b> Tuesday, January 7, 2020 2:51 PM<br><b>To:</b> triumphs@autox.team=
.net<br><b>Subject:</b> [TR] Strange Vibration<o:p></o:p></p></div></div><p c=
lass=3D"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNormal">Not quite a T=
R but an older Morgan with the TR3A motor and Moss gearbox. I have a v=
ibration that I can feel all the time but really is strong at the 2500-3000r=
pm range. With the clutch in it is still there, when driving it is wor=
se. Drive shaft is straight and balanced, makes no difference with the=
wheels removed. Have pulled the front pulley and put a gauge on the c=
rank end, no wobble. Engine mounts are tight.<o:p></o:p></p><p class=3D=
"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNormal">Prior to installatio=
n I ran the motor without a driveline extensively just in the chassis and al=
l was good, is it possible for a clutch plate to be off-balance so much as t=
o cause a noticeable vibration?<o:p></o:p></p><p class=3D"MsoNormal"><o:p>&n=
bsp;</o:p></p><p class=3D"MsoNormal">Just fishing for any suggestions before=
I pull the motor and recheck the flywheel/clutch assembly.<o:p></o:p></p><p=
class=3D"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNormal">Thanks,<o:p=
></o:p></p><p class=3D"MsoNormal">Bill<o:p></o:p></p><p class=3D"MsoNormal">=
TS30800L<o:p></o:p></p><p class=3D"MsoNormal"><o:p> </o:p></p></div><sp=
an>** triumphs@autox.team.net **</span><br><span></span><br><span>Donate: ht=
tp://www.team.net/donate.html</span><br><span>Archive: http://www.team.net/p=
ipermail/triumphs http://www.team.net/archive</span><br><span></span><=
br><span>Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/=
wbeech@flash.net</span><br></div></div></body></html>=
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** triumphs@autox.team.net **
Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archive
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