Subject: Re: [Healeys] Trunnion nut

From: Michael Salter <[email-masked]>
Date: Fri, 24 Apr 2015 11:16:12 -0400

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Hi Fred,
I'm not quite sure which nut your are referring to but:
On the top of the king pin there is a "swivel nut" which when tightened
should allow 0.002" of vertical lift  of the swivel axle on the king pin.
This clearance is adjusted by using different thicknesses of "Staybrite"
washers.
There is no way to measure that "lift" directly with feeler gauges. I make
the adjustment by using progressively thicker washers until binding of the
swivel action is felt then replacing the washer pack with one about 0.002"
- 0.004" thinner.
Because the bearing area of the step on the king pin where the upper
trunnion  bears is very narrow tightening of the swivel nut can affect the
lift clearance. Also if the nut is over tightened the bearing face inside
the trunnion tends to crush and jam the trunnion on the king pin and of
course mess up the adjustment.
I have never seen a tightening torque quoted for the swivel nut but I use
50 lbs. ft as it seems that above that the "crushing" tends to occur.
Hope that helps.

Michael S
BN1 #174

On Fri, Apr 24, 2015 at 10:48 AM, Fred Wescoe <[email-masked]> wrote:

> I am assembling the fulcrum pins (king pins) on the front end of my BJ7.
> The manual says only "tighten the trunnion nut".  The book also says there
> should be .002" of play.  Where do I measure the play and is there a
> recommended torque for the trunnion nut?  I am hoping someone has done this
> and can guide me on this.
>
> Thanks,
>
> Fred
>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:comic sa=
ns ms,sans-serif;font-size:small">Hi Fred,<br></div><div class=3D"gmail_def=
ault" style=3D"font-family:comic sans ms,sans-serif;font-size:small">I&#39;=
m not quite sure which nut your are referring to but:<br></div><div class=
=3D"gmail_default" style=3D"font-family:comic sans ms,sans-serif;font-size:=
small">On the top of the king pin there is a &quot;swivel nut&quot; which w=
hen tightened should allow 0.002&quot; of vertical lift=C2=A0 of the swivel=
 axle on the king pin. This clearance is adjusted by using different thickn=
esses of &quot;Staybrite&quot; washers.<br></div><div class=3D"gmail_defaul=
t" style=3D"font-family:comic sans ms,sans-serif;font-size:small">There is =
no way to measure that &quot;lift&quot; directly with feeler gauges. I make=
 the adjustment by using progressively thicker washers until binding of the=
 swivel action is felt then replacing the washer pack with one about 0.002&=
quot; - 0.004&quot; thinner. <br></div><div class=3D"gmail_default" style=
=3D"font-family:comic sans ms,sans-serif;font-size:small">Because the beari=
ng area of the step on the king pin where the upper trunnion=C2=A0 bears is=
 very narrow tightening of the swivel nut can affect the lift clearance. Al=
so if the nut is over tightened the bearing face inside the trunnion tends =
to crush and jam the trunnion on the king pin and of course mess up the adj=
ustment. <br></div><div class=3D"gmail_default" style=3D"font-family:comic =
sans ms,sans-serif;font-size:small">I have never seen a tightening torque q=
uoted for the swivel nut but I use 50 lbs. ft as it seems that above that t=
he &quot;crushing&quot; tends to occur.<br></div><div class=3D"gmail_defaul=
t" style=3D"font-family:comic sans ms,sans-serif;font-size:small">Hope that=
 helps.<br><br></div><div class=3D"gmail_default" style=3D"font-family:comi=
c sans ms,sans-serif;font-size:small">Michael S<br></div><div class=3D"gmai=
l_default" style=3D"font-family:comic sans ms,sans-serif;font-size:small">B=
N1 #174<br></div><div class=3D"gmail_default" style=3D"font-family:comic sa=
ns ms,sans-serif;font-size:small"><br></div></div><div class=3D"gmail_extra=
"><br><div class=3D"gmail_quote">On Fri, Apr 24, 2015 at 10:48 AM, Fred Wes=
coe <span dir=3D"ltr">&lt;<a href=3D"mailto:[email-masked]" target=3D=
"_blank">[email-masked]</a>&gt;</span> wrote:<br><blockquote class=3D=
"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding=
-left:1ex"><div dir=3D"ltr"><div><div>I am assembling the fulcrum pins (kin=
g pins) on the front end of my BJ7.=C2=A0 The manual says only &quot;tighte=
n the trunnion nut&quot;.=C2=A0 The book also says there should be .002&quo=
t; of play.=C2=A0 Where do I measure the play and is there a recommended to=
rque for the trunnion nut?=C2=A0 I am hoping someone has done this and can =
guide me on this.<br><br></div>Thanks,<br><br></div>Fred<br></div>
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<br></blockquote></div><br><br clear=3D"all"><br>-- <br><div class=3D"gmail=
_signature"><div dir=3D"ltr"><div><div dir=3D"ltr"><i><font size=3D"2"><spa=
n style=3D"color:black">If you can&#39;t fix it with a hammer, you&#39;ve g=
ot an electrical problem.</span></font></i><br><br><div></div><div></div><d=
iv></div></div></div></div></div>
</div>

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From: "David Nock" <[email-masked]>
Date: Fri, 24 Apr 2015 08:33:05 -0700

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You measure the up and down movement of the spindle on the king pin. You =
can use a large screwdriver and move the spindle assy to measure the =
clearance.

David Nock
[email-masked]
209 948 8767
www.britishcarspecialists.com

From: Fred Wescoe=20
Sent: Friday, April 24, 2015 7:48 AM
To: healeys=20
Subject: [Healeys] Trunnion nut

I am assembling the fulcrum pins (king pins) on the front end of my BJ7. =
 The manual says only "tighten the trunnion nut".  The book also says =
there should be .002" of play.  Where do I measure the play and is there =
a recommended torque for the trunnion nut?  I am hoping someone has done =
this and can guide me on this.

Thanks,

Fred

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<BODY dir=3Dltr>
<DIV dir=3Dltr>
<DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Century'; COLOR: #000000">
<DIV>You measure the up and down movement of the spindle on the king =
pin. You=20
can use a large screwdriver and move the spindle assy to measure the=20
clearance.</DIV>
<DIV>&nbsp;</DIV>
<DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Century'; COLOR: =
#000000">David=20
Nock<BR>[email-masked]<BR>209 948=20
8767<BR>www.britishcarspecialists.com</DIV>
<DIV=20
style=3D'FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: =
"Calibri"; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; =
DISPLAY: inline'>
<DIV style=3D"FONT: 10pt tahoma">
<DIV>&nbsp;</DIV>
<DIV style=3D"BACKGROUND: #f5f5f5">
<DIV style=3D"font-color: black"><B>From:</B> <A =
title=[email-masked]=20
href=3D"mailto:[email-masked]">Fred Wescoe</A> </DIV>
<DIV><B>Sent:</B> Friday, April 24, 2015 7:48 AM</DIV>
<DIV><B>To:</B> <A title=[email-masked]=20
href=3D"mailto:[email-masked]">healeys</A> </DIV>
<DIV><B>Subject:</B> [Healeys] Trunnion nut</DIV></DIV></DIV>
<DIV>&nbsp;</DIV></DIV>
<DIV=20
style=3D'FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: =
"Calibri"; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; =
DISPLAY: inline'>
<DIV dir=3Dltr>
<DIV>
<DIV>I am assembling the fulcrum pins (king pins) on the front end of my =

BJ7.&nbsp; The manual says only "tighten the trunnion nut".&nbsp; The =
book also=20
says there should be .002" of play.&nbsp; Where do I measure the play =
and is=20
there a recommended torque for the trunnion nut?&nbsp; I am hoping =
someone has=20
done this and can guide me on=20
this.<BR><BR></DIV>Thanks,<BR><BR></DIV>Fred<BR></DIV>
<P>
<HR>
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