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I have rebuilt many TR-3B through TR-6 gear boxes, both with and without o=
verdrive.=C2=A0 The failure mode you mention is common, where the lay gear =
grinds into the rear thrust washer, and sometimes into the housing.=C2=A0 H=
owever, I have never had trouble removing the lay gear.=C2=A0 Once I remove=
the thrust washer, the lay gear lifts right out.=C2=A0 Am I missing someth=
ing?=C2=A0 Are you working on a Spitfire or GT-6 gearbox?
Once again, I pull the rear thrust washer out, generally with the transmiss=
ion oriented with the bell housing down.=C2=A0 Then, with the gearbox orien=
ted in the upright position, I lift up the end of the lay gear where I have=
just removed the thrust washer.=C2=A0 Once it clears the boss at the rear =
of the housing, the lay gear comes right out.
Not sure this is any help, but that's my experience.
Jack Wheeler
On Saturday, August 10, 2019, 3:52:18 PM EDT, Glenn Franco via Fot <fot=
@autox.team.net> wrote: =20
=20
Just finished another A Type Overdrive rebuild this afternoon. Next one I =
do I'm going to insist that the owner bring a spare 4 speed for parts or ma=
ybe 2.I very rarely find an overdrive transmission that the layshaft bearin=
g next to 1st that hasn't walked and tried to escape the case through the t=
hrust bearing. I have tried in vane to remove the laygear=C2=A0with one tha=
t ground its way into the thrust bearing and sometimes the case. I sometime=
s get the laygear out but in most cases the trans case with the laygear is =
sent to scrap.Does anyone have a solution, trick, special tool, to ease the=
laygear out. The normal way is to remove the small thust bearing with a ma=
gnet so you can tilt the laygear enough to get it out. I have even once res=
orted to=C2=A0a " Slugger Slide Hammer" and chain wrapped around the laygea=
r to get it out. Didn't end well however.I did read somewhere that someone =
is using a tapered roller bearing on that end which would make more sense t=
han the original design.Please adviseThanks in advanceGlennTR6, TR250, Miat=
a, 47 MG TC For Sale, 73 BMW E10 2002 being restored_______________________=
________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
yahoo.com
=20
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<html><head></head><body><div class=3D"ydp714e40ayahoo-style-wrap" style=3D=
"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;">=
<div></div>
<div dir=3D"ltr" data-setdir=3D"false">I have rebuilt many TR-3B th=
rough TR-6 gear boxes, both with and without overdrive. The failure m=
ode you mention is common, where the lay gear grinds into the rear thrust w=
asher, and sometimes into the housing. However, I have never had trou=
ble removing the lay gear. Once I remove the thrust washer, the lay g=
ear lifts right out. Am I missing something? Are you working on=
a Spitfire or GT-6 gearbox?</div><div dir=3D"ltr" data-setdir=3D"false"><b=
r></div><div dir=3D"ltr" data-setdir=3D"false">Once again, I pull the rear =
thrust washer out, generally with the transmission oriented with the bell h=
ousing down. Then, with the gearbox oriented in the upright position,=
I lift up the end of the lay gear where I have just removed the thrust was=
her. Once it clears the boss at the rear of the housing, the lay gear=
comes right out.</div><div dir=3D"ltr" data-setdir=3D"false"><br></div><di=
v dir=3D"ltr" data-setdir=3D"false">Not sure this is any help, but that's m=
y experience.</div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div di=
r=3D"ltr" data-setdir=3D"false">Jack Wheeler<br></div><div><br></div>
=20
</div><div id=3D"ydp4665f6fbyahoo_quoted_5928348454" class=3D"ydp46=
65f6fbyahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Saturday, August 10, 2019, 3:52:18 PM EDT, Glenn Fra=
nco via Fot <fot@autox.team.net> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id=3D"ydp4665f6fbyiv5718343864"><div dir=3D"ltr">=
<div>Just finished another A Type Overdrive rebuild this afternoon. Next on=
e I do I'm going to insist that the owner bring a spare 4 speed for parts o=
r maybe 2.</div><div>I very rarely find an overdrive transmission that the =
layshaft bearing next to 1st that hasn't walked and tried to escape the cas=
e through the thrust bearing. I have tried in vane to remove the laygear&nb=
sp;with one that ground its way into the thrust bearing and sometimes the c=
ase. I sometimes get the laygear out but in most cases the trans case with =
the laygear is sent to scrap.</div><div>Does anyone have a solution, trick,=
special tool, to ease the laygear out. The normal way is to remove the sma=
ll thust bearing with a magnet so you can tilt the laygear enough to get it=
out. I have even once resorted to a " Slugger Slide Hammer" and chain=
wrapped around the laygear to get it out. Didn't end well however.</div><d=
iv>I did read somewhere that someone is using a tapered roller bearing on t=
hat end which would make more sense than the original design.</div><div>Ple=
ase advise</div><div>Thanks in advance</div><div>Glenn</div><div>TR6, TR250=
, Miata, 47 MG TC For Sale, 73 BMW E10 2002 being restored</div></div></div=
>_______________________________________________<br><a href=3D"mailto:fot@a=
utox.team.net" rel=3D"nofollow" target=3D"_blank">fot@autox.team.net</a><br=
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Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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