Subject: [TR] Thread details on Lucas M418G starter shaft?

From: Don Hiscock <[email-masked]>
Date: Sat, 1 Aug 2015 10:46:14 -0500

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The original starter from my TR3B might be salvageable, and I'll happily
put it on the shelf for the day it needs to go back in.  As part of the
restoration we'd need to chase the threads on the motor shaft.  We're
trying to figure out exactly what threads it has.  (Note the bits aren't at
my place to check, and my other one is in the car.)

It's a Lucas M418G starter, part number 25550A.  The shaft nut is part
number 25581, as far as I can tell.  It's a clockwise-rotating motor,
stamped <----<<<, which means the cotter-pinned nut holding the Bendix in
place is left-handed thread, yes?  What diameter and pitch?

Any details appreciated.  TIA,

Don

1962 TR3B TSF202L

https://4xdog.smugmug.com/photos/i-6sXT8zC/0/XL/i-6sXT8zC-XL.jpg

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<div dir=3D"ltr"><p style=3D"margin:0px;padding:0px"><font color=3D"#282828=
" face=3D"helvetica, arial, sans-serif"><span style=3D"font-size:14px;line-=
height:22.3999996185303px">The original starter from my TR3B might be salva=
geable, and I&#39;ll happily put it on the shelf for the day it needs to go=
 back in.=C2=A0 As part of the restoration we&#39;d need to chase the threa=
ds on the motor shaft.=C2=A0 We&#39;re trying to figure out exactly what th=
reads it has. =C2=A0(Note the bits aren&#39;t at my place to check, and my =
other one is in the car.)</span></font></p><p style=3D"margin:0px;padding:0=
px"><font color=3D"#282828" face=3D"helvetica, arial, sans-serif"><span sty=
le=3D"font-size:14px;line-height:22.3999996185303px">=C2=A0</span></font></=
p><p style=3D"margin:0px;padding:0px"><font color=3D"#282828" face=3D"helve=
tica, arial, sans-serif"><span style=3D"font-size:14px;line-height:22.39999=
96185303px">It&#39;s a Lucas M418G starter, part number 25550A.=C2=A0 The s=
haft nut is part number 25581, as far as I can tell.=C2=A0 It&#39;s a clock=
wise-rotating motor, stamped &lt;----&lt;&lt;&lt;, which means the cotter-p=
inned nut holding the Bendix in place is left-handed thread, yes?=C2=A0 Wha=
t diameter and pitch?</span></font></p><p style=3D"margin:0px;padding:0px">=
<font color=3D"#282828" face=3D"helvetica, arial, sans-serif"><span style=
=3D"font-size:14px;line-height:22.3999996185303px">=C2=A0</span></font></p>=
<p style=3D"margin:0px;padding:0px"><font color=3D"#282828" face=3D"helveti=
ca, arial, sans-serif"><span style=3D"font-size:14px;line-height:22.3999996=
185303px">Any details appreciated.=C2=A0 TIA,</span></font></p><p style=3D"=
margin:0px;padding:0px"><font color=3D"#282828" face=3D"helvetica, arial, s=
ans-serif"><span style=3D"font-size:14px;line-height:22.3999996185303px"><b=
r></span></font></p><p style=3D"margin:0px;padding:0px"><font color=3D"#282=
828" face=3D"helvetica, arial, sans-serif"><span style=3D"font-size:14px;li=
ne-height:22.3999996185303px">Don</span></font></p><p style=3D"margin:0px;p=
adding:0px"><font color=3D"#282828" face=3D"helvetica, arial, sans-serif"><=
span style=3D"font-size:14px;line-height:22.3999996185303px">1962 TR3B TSF2=
02L</span></font></p><p style=3D"margin:0px;padding:0px"><font color=3D"#28=
2828" face=3D"helvetica, arial, sans-serif"><span style=3D"font-size:14px;l=
ine-height:22.3999996185303px"><a href=3D"https://4xdog.smugmug.com/photos/=
i-6sXT8zC/0/XL/i-6sXT8zC-XL.jpg">https://4xdog.smugmug.com/photos/i-6sXT8zC=
/0/XL/i-6sXT8zC-XL.jpg</a></span><br></font></p><p style=3D"margin:0px;padd=
ing:0px"><font color=3D"#282828" face=3D"helvetica, arial, sans-serif"><spa=
n style=3D"font-size:14px;line-height:22.3999996185303px"><br></span></font=
></p></div>

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