Subject: [Healeys] Gearbox Bearing Pre-Load Shims/Washers

From: Harold Manifold <[email-masked]>
Date: Tue, 16 Jan 2024 16:00:56 -0800

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My Sideshift gearbox journey continues. The front and rear bearings on the
mainshaft are new and I was planning to replace the Plate (i.e. AEB3105)
and Spring Plate (i.e. AEC3178) that goes between the bearings at the bell
housing and the OD adapter housing ends. None of the usual suspects have
these parts available but do offer preload shims/washers in different
thicknesses. It looks like in the later BJ8 gearboxes two different
shims 22B152 and 22B153 replaced the Plate and Spring Plate used in earlier
gearboxes.

This begs the question. Will 22B152 and 22B153 fit my earlier sideshift
gearbox? I am assuming one would use Plastigage to figure out the shims
needed to get a pre-load on the bearing.

Any insight and suggestions appreciated.

Harold

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<div dir=3D"ltr">My Sideshift gearbox journey continues. The front and rear=
 bearings on the mainshaft are new and I was planning to replace the Plate =
(i.e. AEB3105) and Spring Plate (i.e. AEC3178) that goes between the=C2=A0b=
earings at the bell housing and the OD adapter housing ends. None of the us=
ual suspects have these parts available but do offer preload shims/washers =
in different thicknesses. It looks like in the later BJ8 gearboxes two diff=
erent shims=C2=A022B152 and=C2=A022B153 replaced the Plate and Spring Plate=
 used in earlier gearboxes.<div><br></div><div>This begs the question. Will=
 22B152 and=C2=A022B153 fit my earlier sideshift gearbox? I am assuming one=
 would use Plastigage to figure out the shims needed to get a pre-load on t=
he bearing.</div><div><br></div><div>Any insight and suggestions appreciate=
d.</div><div><br></div><div>Harold</div><div><br></div><div><br></div></div=

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http://autox.team.net/mailman/listinfo/healeys

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From: "Mark Donaldson" <[email-masked]>
Date: Thu, 18 Jan 2024 12:55:10 +1300

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Harold,

Why are you planning to replace the two bearing plates?  Are they =
damaged?

For the record, these two part numbers were used right up to the BJ7 =
gearbox.

My Mechanical Service Parts List for BJ8s for 22B 152 and 153 lists them =
as =E2=80=98A/R=E2=80=99  . . .  as required.

Your local B.C. Wolseley group may be able to help you.  They have the =
same/similar gearboxes with much commonality to ours.

=20

Cheers

Mark

=20

Ardmore

NZ

=20

From: Harold Manifold <[email-masked]>=20
Sent: Wednesday, 17 January 2024 1:01 PM
To: Healey List <[email-masked]>
Subject: [Healeys] Gearbox Bearing Pre-Load Shims/Washers

=20

My Sideshift gearbox journey continues. The front and rear bearings on =
the mainshaft are new and I was planning to replace the Plate (i.e. =
AEB3105) and Spring Plate (i.e. AEC3178) that goes between the bearings =
at the bell housing and the OD adapter housing ends. None of the usual =
suspects have these parts available but do offer preload shims/washers =
in different thicknesses. It looks like in the later BJ8 gearboxes two =
different shims 22B152 and 22B153 replaced the Plate and Spring Plate =
used in earlier gearboxes.

=20

This begs the question. Will 22B152 and 22B153 fit my earlier sideshift =
gearbox? I am assuming one would use Plastigage to figure out the shims =
needed to get a pre-load on the bearing.

=20

=20

Harold

=20

=20

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link=3D"#0563C1" vlink=3D"#954F72" style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-family:"Tahoma",sans-serif;mso-fareast-language:EN-US'>Haro=
ld,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Tahoma",sans-serif;mso-fareast-language:EN-US'>Why =
are you planning to replace the two bearing plates?=C2=A0 Are they =
damaged?<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Tahoma",sans-serif;mso-fareast-language:EN-US'>For =
the record, these two part numbers were used right up to the BJ7 =
gearbox.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Tahoma",sans-serif;mso-fareast-language:EN-US'>My =
Mechanical Service Parts List for BJ8s for 22B 152 and 153 lists them as =
=E2=80=98A/R=E2=80=99=C2=A0 . . .=C2=A0 as =
required.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Tahoma",sans-serif;mso-fareast-language:EN-US'>Your=
 local B.C. Wolseley group may be able to help you.=C2=A0 They have the =
same/similar gearboxes with much commonality to =
ours.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Tahoma",sans-serif;mso-fareast-language:EN-US'><o:p=
>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Tahoma",sans-serif;mso-fareast-language:EN-US'>Chee=
rs<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Tahoma",sans-serif;mso-fareast-language:EN-US'>Mark=
<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Tahoma",sans-serif;mso-fareast-language:EN-US'><o:p=
>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Tahoma",sans-serif;mso-fareast-language:EN-US'>Ardm=
ore<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Tahoma",sans-serif;mso-fareast-language:EN-US'>NZ<o=
:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D;mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></spa=
n></p><div style=3D'border:none;border-top:solid #E1E1E1 =
1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=3DMsoNormal><b><span =
lang=3DEN-US>From:</span></b><span lang=3DEN-US> Harold Manifold =
&lt;[email-masked]&gt; <br><b>Sent:</b> Wednesday, 17 January 2024 =
1:01 PM<br><b>To:</b> Healey List =
&lt;[email-masked]&gt;<br><b>Subject:</b> [Healeys] Gearbox =
Bearing Pre-Load Shims/Washers<o:p></o:p></span></p></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>My =
Sideshift gearbox journey continues. The front and rear bearings on the =
mainshaft are new and I was planning to replace the Plate (i.e. AEB3105) =
and Spring Plate (i.e. AEC3178) that goes between the&nbsp;bearings at =
the bell housing and the OD adapter housing ends. None of the usual =
suspects have these parts available but do offer preload shims/washers =
in different thicknesses. It looks like in the later BJ8 gearboxes two =
different shims&nbsp;22B152 and&nbsp;22B153 replaced the Plate and =
Spring Plate used in earlier gearboxes.<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>This begs the question. Will 22B152 and&nbsp;22B153 =
fit my earlier sideshift gearbox? I am assuming one would use Plastigage =
to figure out the shims needed to get a pre-load on the =
bearing.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Any insight and suggestions =
appreciated.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Harold<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></div></div></body></html>
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[email-masked]

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