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Nick;
Has changing all those parts made a difference? Or are you asking before put=
ting it all back together to make sure you=E2=80=99ve covered all the bases?=
Normally a grabby clutch is due to the friction surface (interface between t=
he disc and pressure plate/flywheel) and lack of compliance in the clutch di=
sc itself. In your case I would look for a crack in the pressure plate and t=
he flywheel friction surface. You might want to have a cut taken off the fly=
wheel surface to be sure there are no irregularities or build up of glaze. Y=
ou=E2=80=99ve already done this on one side with a new pressure plate.
I would not stop the throwout bearing sleeve from spinning. It should have n=
o effect on this problem one way or the other. Being brass, if constrained i=
t will wear in one spot where the fork interfaces with it. Might be doing th=
at anyways.
Good luck!
Phil Gott
Sent from my iPhone
> On Apr 22, 2020, at 5:59 AM, David Gott via Fot <fot@autox.team.net> wrote=
:
>=20
> =EF=BB=BF Hi Nick,
>=20
> The way I see it there=E2=80=99s only a couple of variables left. Which h=
ole is your slave attached to on the clutch fork? Does it make a difference=
if you move it to the =E2=80=9Cfurthest out=E2=80=9D hole?=20
>=20
> How is the surface of the flywheel? I=E2=80=99m sure you checked it out c=
hanging all those parts. Maybe it=E2=80=99s burred and causing the clutch t=
o grab? Did you scuff it down a bit? =20
>=20
> Here=E2=80=99s the long shot. What about the crankshaft thrust washers, i=
s there all of a sudden too much play, like a thrust bearing fell out? Maybe=
it=E2=80=99s changing the way the clutch slave interacts with the pressure p=
late.
>=20
> That=E2=80=99s all I got!
>=20
> Dave Gott
>=20
>=20
>=20
> Sent from Yahoo Mail for iPhone
>=20
> On Wednesday, April 22, 2020, 5:08 AM, van.mulders.marcel--- via Fot <fot@=
autox.team.net> wrote:
>=20
>=20
>=20
> Van: "van mulders marcel" <van.mulders.marcel@telenet.be>
> Aan: "Nick Black" <vintagenick42@yahoo.com>
> Verzonden: Woensdag 22 april 2020 11:07:28
> Onderwerp: Re: [Fot] Its Opinion Tyme Again...
>=20
> Very weird that changing all those parts has no effect. You changed the cl=
utch hose : also the metal part of the line?
> It seems that the bearing doesn't follow the clutch pedal over some distan=
ce and is catching up then at a sudden.
> How is the clutch pedal feel?=20
> Marcel
>=20
> Van: "fot" <fot@autox.team.net>
> Aan: "fot" <fot@autox.team.net>
> Verzonden: Woensdag 22 april 2020 03:08:34
> Onderwerp: [Fot] Its Opinion Tyme Again...
>=20
> OK, so I've had a weird problem with the clutch on The Duke of Oil (TR4A).=
It suddenly started acting like an off/on switch with no chance of slippage=
to get goin. The engagement was so sudden that it broke a side gear in the l=
ocker. Upon review everything appeared well within spec. I changed the clutc=
h disc. transmission input shaft and changed the throwout bearing sleeve. No=
dice...same issue.
> Got it apart again and have changed everything...disc, pressure plate, bea=
ring, crankshaft bush, cross shaft bushings, clutch hose, clutch slave cylin=
der and clutch master cylinder...pedal assembly seems smooth without any bin=
ding. Have also double pinned the throwout fork to the cross shaft.
>=20
> SO...any thoughts?
>=20
> Also have pinned the throwout bearing flange so that it will not spin on t=
he sleeve. Anybody else pin the flange, or do you let it turn on the sleeve?=
Why/why not?
>=20
> Broken gears and tears in NorCal
> Nick
>=20
>=20
>=20
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/van.mulders.=
marcel@telenet.be
>=20
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/triumphsix@y=
ahoo.com
>=20
>=20
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/vfracing@aol=
.com
>=20
>=20
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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">Nick;<div>Has changing all those parts made=
a difference? Or are you asking before putting it all back together to make=
sure you=E2=80=99ve covered all the bases?</div><div>Normally a grabby clut=
ch is due to the friction surface (interface between the disc and pressure p=
late/flywheel) and lack of compliance in the clutch disc itself. In yo=
ur case I would look for a crack in the pressure plate and the flywheel fric=
tion surface. You might want to have a cut taken off the flywheel surface to=
be sure there are no irregularities or build up of glaze. You=E2=80=99ve al=
ready done this on one side with a new pressure plate.</div><div>I would not=
stop the throwout bearing sleeve from spinning. It should have no effect on=
this problem one way or the other. Being brass, if constrained it will wear=
in one spot where the fork interfaces with it. Might be doing that anyways.=
</div><div>Good luck!</div><div>Phil Gott<br><br><div dir=3D"ltr">Sent from m=
y iPhone</div><div dir=3D"ltr"><br><blockquote type=3D"cite">On Apr 22, 2020=
, at 5:59 AM, David Gott via Fot <fot@autox.team.net> wrote:<br><br></=
blockquote></div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF<!--[if=
gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96<=
/o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]-->
Hi Nick,<div><br></div><div>The way I see it there=E2=80=99s only a couple o=
f variables left. Which hole is your slave attached to on the clutch f=
ork? Does it make a difference if you move it to the =E2=80=9Cfurthest=
out=E2=80=9D hole? </div><div><br></div><div>How is the surface of the=
flywheel? I=E2=80=99m sure you checked it out changing all those part=
s. Maybe it=E2=80=99s burred and causing the clutch to grab? Did=
you scuff it down a bit? </div><div><br></div><div>Here=E2=80=99=
s the long shot. What about the crankshaft thrust washers, is there al=
l of a sudden too much play, like a thrust bearing fell out? Maybe it=E2=
=80=99s changing the way the clutch slave interacts with the pressure plate.=
</div><div><br></div><div>That=E2=80=99s all I got!</div><div><br></div><div=
>Dave Gott</div><div><br><br><br><a href=3D"https://overview.mail.yahoo.com/=
?.src=3DiOS">Sent from Yahoo Mail for iPhone</a><br><br><p class=3D"yahoo-qu=
oted-begin" style=3D"font-size: 15px; color: #715FFA; padding-top: 15px; mar=
gin-top: 0">On Wednesday, April 22, 2020, 5:08 AM, van.mulders.marcel--- via=
Fot <fot@autox.team.net> wrote:</p><blockquote class=3D"iosymail"><di=
v id=3D"yiv5972241541"><div><div style=3D"font-family:Verdana, Arial, Helvet=
ica, sans-serif;font-size:10pt;color:#000000;"><div><br></div><div><br></div=
><hr id=3D"yiv5972241541zwchr"><div><b>Van: </b>"van mulders marcel" <van=
.mulders.marcel@telenet.be><br><b>Aan: </b>"Nick Black" <vintagenick42=
@yahoo.com><br><b>Verzonden: </b>Woensdag 22 april 2020 11:07:28<br><b>On=
derwerp: </b>Re: [Fot] Its Opinion Tyme Again...<br></div><div><br></div><di=
v><div style=3D"font-family:'verdana' , 'arial' , 'helvetica' , sans-serif;f=
ont-size:10pt;color:#000000;"><div>Very weird that changing all those parts h=
as no effect. You changed the clutch hose : also the metal part of the line?=
</div><div>It seems that the bearing doesn't follow the clutch pedal over so=
me distance and is catching up then at a sudden.</div><div>How is the clutch=
pedal feel? </div><div>Marcel</div><br><hr id=3D"yiv5972241541zwchr"><=
div><b>Van: </b>"fot" <fot@autox.team.net><br><b>Aan: </b>"fot" <fo=
t@autox.team.net><br><b>Verzonden: </b>Woensdag 22 april 2020 03:08:34<br=
><b>Onderwerp: </b>[Fot] Its Opinion Tyme Again...<br></div><br><div><div cl=
ass=3D"yiv5972241541yahoo-style-wrap" style=3D"font-family:'helvetica neue' ,=
'helvetica' , 'arial' , sans-serif;font-size:13px;"><div dir=3D"ltr">OK, so=
I've had a weird problem with the clutch on The Duke of Oil (TR4A). It sudd=
enly started acting like an off/on switch with no chance of slippage to get g=
oin. The engagement was so sudden that it broke a side gear in the locker. U=
pon review everything appeared well within spec. I changed the clutch disc. t=
ransmission input shaft and changed the throwout bearing sleeve. No dice...s=
ame issue.</div><div dir=3D"ltr">Got it apart again and have changed everyth=
ing...disc, pressure plate, bearing, crankshaft bush, cross shaft bushings, c=
lutch hose, clutch slave cylinder and clutch master cylinder...pedal assembl=
y seems smooth without any binding. Have also double pinned the throwout for=
k to the cross shaft.</div><div dir=3D"ltr"><br></div><div dir=3D"ltr">SO...=
any thoughts?</div><div dir=3D"ltr"><br></div><div dir=3D"ltr">Also have pin=
ned the throwout bearing flange so that it will not spin on the sleeve. Anyb=
ody else pin the flange, or do you let it turn on the sleeve? Why/why not?</=
div><div dir=3D"ltr"><br></div><div dir=3D"ltr">Broken gears and tears in No=
rCal</div><div dir=3D"ltr">Nick</div><div dir=3D"ltr"><br></div><div dir=3D"=
ltr"><br></div></div><br>_______________________________________________<br>=
fot@autox.team.net<br><br>http://www.fot-racing.com<br><br>Donate: http://ww=
w.team.net/donate.html<br>Archive: http://autox.team.net/archive http://www.=
team.net/pipermail/fot<br>Unsubscribe/Manage: http://autox.team.net/mailman/=
options/fot/van.mulders.marcel@telenet.be</div></div><br></div></div></div><=
/div>_______________________________________________<br><a ymailto=3D"mailto=
:fot@autox.team.net" href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</=
a><br><br><a href=3D"http://www.fot-racing.com"; target=3D"_blank">http://www=
.fot-racing.com</a><br><br>Donate: <a href=3D"http://www.team.net/donate.htm=
l" target=3D"_blank">http://www.team.net/donate.html</a><br>Archive: <a href=
=3D"http://autox.team.net/archive " target=3D"_blank">http://autox.team.net/=
archive </a><a href=3D"http://www.team.net/pipermail/fot"; target=3D"_blank">=
http://www.team.net/pipermail/fot</a><br>Unsubscribe/Manage: <a href=3D"http=
://autox.team.net/mailman/options/fot/triumphsix@yahoo.com" target=3D"_blank=
">http://autox.team.net/mailman/options/fot/triumphsix@yahoo.com</a><br><br>=
<br><blockquote></blockquote></blockquote></div>
<span>_______________________________________________</span><br><span>fot@au=
tox.team.net</span><br><span></span><br><span>http://www.fot-racing.com</spa=
n><br><span></span><br><span>Donate: http://www.team.net/donate.html</span><=
br><span>Archive: http://autox.team.net/archive http://www.team.net/pipermai=
l/fot</span><br><span>Unsubscribe/Manage: http://autox.team.net/mailman/opti=
ons/fot/vfracing@aol.com</span><br><span></span><br><span></span><br></div><=
/blockquote></div></body></html>=
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http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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