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On Wed, Jan 1, 2020 at 7:56 AM Tim Hutchisen <hakhutch@roadrunner.com>
wrote:
> Hi Glenn,
>
> Having built numerous OD units, I have run into a couple of instances
> where the cone clutch needed to "bed in". If you installed a new cone
> clutch, the angle of the linings may not be an exact match to the brake
> ring and annulus and it will stick when applied. A good swift rap (or two
> or three) on the exterior of the brake ring with a dead blow hammer will
> release the clutch. Had this happen with Henry Frye's race car at Summit
> Point a few years ago. Driving around the paddock with the gearbox cover
> off and excersising the OD, releasing it with the dead blow hammer. It
> eventually worked it's way in with time.
>
> Tim Hutchisen
>
> Penn Ridge Motors
>
> Norway, ME
>
>
>
> *From:* Fot [mailto:fot-bounces@autox.team.net] *On Behalf Of *Glenn
> Franco via Fot
> *Sent:* Thursday, December 26, 2019 5:04 PM
> *To:* FOT list <fot@autox.team.net>
> *Subject:* [Fot] A-Type Over Drive Question Again
>
>
>
> Happy New Year
>
> Quick Question
>
> I have rebuilt numerous A-types over the last few years, but I have one
> that's been giving us fits.
>
> Transmission was a TR6 and the mainshaft was replaced with the proper
> overdrive shaft for the A-type.
>
> The A-type appears to be an early one with steel piston rings on the apply
> pistons.
>
> The pump was replaced and puts out +300 psi during testing.
>
> The overdrive and trans was tested by back spinning from the tailshaft
> flange with an electric motor.
>
> The overdrive appears to be engaged and it appears that the pressure will
> not drop.
>
> The pressure relief at the pump was removed and the accumulator was
> loosened to relieve the pressure.
>
> Now trans in neutral the output shaft of the overdrive appears to be
> locked up and will not spin.
>
> Any ideas??
>
> Thanks in advance
>
> Glenn
>
>
>
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<br><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On=
Wed, Jan 1, 2020 at 7:56 AM Tim Hutchisen <<a href=3D"mailto:hakhutch@r=
oadrunner.com">hakhutch@roadrunner.com</a>> wrote:<br></div><blockquote =
class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px sol=
id rgb(204,204,204);padding-left:1ex"><div lang=3D"EN-US"><div class=3D"gma=
il-m_-1116078035792382123WordSection1"><p class=3D"MsoNormal"><span style=
=3D"font-size:11pt;font-family:"Calibri",sans-serif;color:rgb(31,=
73,125)">Hi Glenn,<u></u><u></u></span></p><p class=3D"MsoNormal"><span sty=
le=3D"font-size:11pt;font-family:"Calibri",sans-serif;color:rgb(3=
1,73,125)">Having built numerous OD units, I have run into a couple of inst=
ances where the cone clutch needed to "bed in". If you installed =
a new cone clutch, the angle of the linings may not be an exact match to th=
e brake ring and annulus and it will stick when applied. A good swift rap (=
or two or three) on the exterior of the brake ring with a dead blow hammer =
will release the clutch. Had this happen with Henry Frye's race car at =
Summit Point a few years ago. Driving around the paddock with the gearbox c=
over off and excersising the OD, releasing it with the dead blow hammer. It=
eventually worked it's way in with time. <u></u><u></u></span></p><p c=
lass=3D"MsoNormal"><span style=3D"font-size:11pt;font-family:"Calibri&=
quot;,sans-serif;color:rgb(31,73,125)">Tim Hutchisen<u></u><u></u></span></=
p><p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-family:"Ca=
libri",sans-serif;color:rgb(31,73,125)">Penn Ridge Motors<u></u><u></u=
></span></p><p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-famil=
y:"Calibri",sans-serif;color:rgb(31,73,125)">Norway, ME<u></u><u>=
</u></span></p><p class=3D"MsoNormal"><span style=3D"font-size:11pt;font-fa=
mily:"Calibri",sans-serif;color:rgb(31,73,125)"><u></u>=C2=A0<u><=
/u></span></p><p class=3D"MsoNormal"><b><span style=3D"font-size:11pt;font-=
family:"Calibri",sans-serif">From:</span></b><span style=3D"font-=
size:11pt;font-family:"Calibri",sans-serif"> Fot [mailto:<a href=
=3D"mailto:fot-bounces@autox.team.net"; target=3D"_blank">fot-bounces@autox.=
team.net</a>] <b>On Behalf Of </b>Glenn Franco via Fot<br><b>Sent:</b> Thur=
sday, December 26, 2019 5:04 PM<br><b>To:</b> FOT list <<a href=3D"mailt=
o:fot@autox.team.net" target=3D"_blank">fot@autox.team.net</a>><br><b>Su=
bject:</b> [Fot] A-Type Over Drive Question Again<u></u><u></u></span></p><=
p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><div><div><p class=3D"MsoNorm=
al">Happy New Year<u></u><u></u></p></div><div><p class=3D"MsoNormal">Quick=
Question<u></u><u></u></p></div><div><p class=3D"MsoNormal">I have rebuilt=
numerous A-types over the last few years, but I have one that's been g=
iving us fits.<u></u><u></u></p></div><div><p class=3D"MsoNormal">Transmiss=
ion was a TR6 and the mainshaft was replaced with the proper overdrive shaf=
t for the A-type.<u></u><u></u></p></div><div><p class=3D"MsoNormal">The A-=
type appears to be an early one with steel piston rings on the apply piston=
s. <u></u><u></u></p></div><div><p class=3D"MsoNormal">The pump was replace=
d and puts out +300 psi during testing.<u></u><u></u></p></div><div><p clas=
s=3D"MsoNormal">The overdrive and trans was tested by back spinning from th=
e tailshaft flange with an electric motor.<u></u><u></u></p></div><div><p c=
lass=3D"MsoNormal">The overdrive appears to be engaged and it appears that =
the pressure will not drop.<u></u><u></u></p></div><div><p class=3D"MsoNorm=
al">The pressure relief at the pump was removed and the accumulator was loo=
sened to relieve the pressure.<u></u><u></u></p></div><div><p class=3D"MsoN=
ormal">Now trans in neutral the output shaft of the overdrive appears to be=
locked up and will not spin.<u></u><u></u></p></div><div><p class=3D"MsoNo=
rmal">Any ideas??<u></u><u></u></p></div><div><p class=3D"MsoNormal">Thanks=
in advance<u></u><u></u></p></div><div><p class=3D"MsoNormal">Glenn<u></u>=
<u></u></p></div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div>=
</div></div></div></blockquote></div>
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_______________________________________________
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http://www.fot-racing.com
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