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I've never heard of a brass bushing not being tight on the O.D. I always
thought that they would get hammered to death otherwise. Farm tractors
typically have either a sealed or greaseable ball bearing in the flywheel
rather than a brass bushing. Some bushings may need to be finished-reamed
after installation if they are not pre-sized.
Alex Thomson
From: Triumphs [mailto:triumphs-bounces@autox.team.net] On Behalf Of
Harrymague@aol.com
Sent: Saturday, November 26, 2016 9:19 PM
To: triumphs@autox.team.net
Subject: [TR] Spigot (pilot bush) Question
Hey guys. After I did a major engine upgrade this spring, the car developed
a noise whenever I put the clutch in when going to 2nd to 3rd to 4th gear.
It felt like it was not coming from the engine but the clutch. Once engaged
in gear, the vibration went away. When I did the engine mod, I replaced the
clutch. I did nothing to the transmission. When I did the clutch, I
replaced the rear engine seal and the spigot bushing.
I am now replacing my old rusted frame with a Ratco one. With the engine
out and the transmission off, am trying to figure the noise out. One of my
thoughts that the new clutch was faulty. I had the fly wheel, clutch plate,
and pressure plate checked to make sure they were not out of balance. All
check good. When I explained my problem to the machinist, he suggested that
the bushing could cause that problem. When I checked it in the flywheel, it
moved easily. When I checked it on the trans shaft it was loose. Several
of my club members thought it might be too loose. I order another one and
also order one from a different supplier. Now I checked both bushing on the
trans shaft and they indeed were tighter. I go install it in the flywheel,
and I have to tap it in. Checking the manual, it says "Fit the spigot bush
into the back of the flywheel ensuring that it is a loose fit". It is not a
loose fit in fact it is a very tight fit.
Has anybody had a similar problem? Any thoughts on the pilot bush being
very tight in the flywheel and not being "loose?
Thanks in advance.
Harry Mague
Beavercreek, OH
CF16623
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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:#1F497=
D'>I’ve never heard of a brass bushing not being tight on the O.D. =
I always thought that they would get hammered to death otherwise. Farm =
tractors typically have either a sealed or greaseable ball bearing in =
the flywheel rather than a brass bushing. Some bushings may need to be =
finished-reamed after installation if they are not =
pre-sized.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Alex Thomson<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><div><div =
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
Triumphs [mailto:triumphs-bounces@autox.team.net] <b>On Behalf Of =
</b>Harrymague@aol.com<br><b>Sent:</b> Saturday, November 26, 2016 9:19 =
PM<br><b>To:</b> triumphs@autox.team.net<br><b>Subject:</b> [TR] Spigot =
(pilot bush) Question<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'>Hey guys. =
After I did a major engine upgrade this spring, the car developed a =
noise whenever I put the clutch in when going to 2nd to 3rd to 4th =
gear. It felt like it was not coming from the engine but the =
clutch. Once engaged in gear, the vibration went away. When =
I did the engine mod, I replaced the clutch. I did nothing to the =
transmission. When I did the clutch, I replaced the rear engine =
seal and the spigot bushing. </span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
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'>&=
nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'>I am now =
replacing my old rusted frame with a Ratco one. With the engine =
out and the transmission off, am trying to figure the noise =
out. One of my thoughts that the new clutch was faulty. I =
had the fly wheel, clutch plate, and pressure plate checked to make sure =
they were not out of balance. All check good. When I =
explained my problem to the machinist, he suggested that the bushing =
could cause that problem. When I checked it in the flywheel, it =
moved easily. When I checked it on the trans shaft it was =
loose. Several of my club members thought it might be too =
loose. I order another one and also order one from a different =
supplier. Now I checked both bushing on the trans shaft and they =
indeed were tighter. I go install it in the flywheel, and I have =
to tap it in. Checking the manual, it says "Fit the spigot =
bush into the back of the flywheel ensuring that it is a loose =
fit". It is not a loose fit in fact it is a very tight =
fit. </span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
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'>&=
nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'>Has anybody had a =
similar problem? Any thoughts on the pilot bush being very tight =
in the flywheel and not being "loose?</span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
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'>&=
nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'>Thanks in =
advance.</span><span =
style=3D'font-size:10.0pt;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'>Harry =
Mague</span><span =
style=3D'font-size:10.0pt;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'>Beavercreek, =
OH</span><span =
style=3D'font-size:10.0pt;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'>CF16623</span><spa=
n =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div></div></body></html>
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