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... but don't torque the snot out of the bleeder; I've seen bleeder
holes where the seat of the bleeder 'needle' has been cracked due to
excessive force, making the cylinder junk.
On 8/31/2022 1:00 AM, Simon Lachlan via Healeys wrote:
>
> Yes, for sure, an Eezibleeder helps. Keep the air pressure down, maybe
> a bit less than suggested in the destructions.
>
> Otherwise, see this, below, from one of my manuals. (Curiously, not in
> all of them).
>
> â??â??Ifthebleedingofanycylindercontinueswithoutsuccessforaconsiderabletime,itispossiblethatairisbeingdrawninpastthebleederscrewthreads.Insuchcasestightenthebleederscrewattheendofeachdownwardstroke*ofthepedalandallowthepedaltoreturnfullybeforere-openingit.Closethebleederscrewfinallyduringthelastpedalapplication.â??
>
> *ie to prevent air being drawn in during the upward passage of the
> pedal. (SDL 14/08/2019)â??
>
> I suppose that, the brakes being old, the threads get worn and let air
> back in as the pedal goes back up. So, I tighten the bleeder as the
> fluid is still coming out, ie before the downward stroke is finished.
> Slows the process up somewhat and tries the patience of ones wifely
> assistant.
>
> Good luck anyhow.
>
> Simon
>
> *From:*Healeys <healeys-bounces@autox.team.net> *On Behalf Of *David
> Leong via Healeys
> *Sent:* 31 August 2022 06:19
> *To:* 'Healey List (healeys@autox.team.net)' <healeys@autox.team.net>
> *Subject:* Re: [Healeys] BN1 brake system
>
> Use a power pressure bleeder (I have a Motive Bleeder) and tap on the
> slaves to loosen any air bubbles. Make sure there are no high spots
> where air can get trapped and not be purged out of the bleeder screw
>
> */Dave/*
>
> *From:*Healeys <healeys-bounces@autox.team.net> *On Behalf Of
> *warthodson--- via Healeys
> *Sent:* Tuesday, August 30, 2022 5:27 PM
> *To:* healeys@autox.team.net
> *Subject:* [Healeys] BN1 brake system
>
> We have been trying for several months to bleed the brakes on RHD BN1,
> to no avail. The car has been professionally restored & appears to be
> in excellent condition. Today, we tried again to bleed the system
> following the shop manual. I.E. backing off the adjusters on the front
> & back & bleeding & then readjusting the brakes. The results were the
> same. There seems to be an excessively large amount of pedal travel
> before the brakes are engaged & when engaged they feel "spongy". We
> have access to 2 other 100's for reference. Any help would be greatly
> appreciated. Also, we are not clear on the adjustment of the free play
> of the master cylinder.
>
> Gary Hodson
>
>
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... but don't torque the snot out of the bleeder; I've seen bleeder
holes where the seat of the bleeder 'needle' has been cracked due to
excessive force, making the cylinder junk.<br>
<br>
<br>
<div class="moz-cite-prefix">On 8/31/2022 1:00 AM, Simon Lachlan via
Healeys wrote:<br>
</div>
<blockquote type="cite"
cite="mid:000001d8bd0f$bb751040$325f30c0$@alexarevel.plus.com">
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<div class="WordSection1">
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Yes,
for sure, an Eezibleeder helps. Keep the air pressure down,
maybe a bit less than suggested in the
destructions.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Otherwise,
see this, below, from one of my manuals. (Curiously, not in
all of them).<o:p></o:p></span></p>
<p class="MsoBodyText"
style="mso-margin-top-alt:6.0pt;margin-right:13.55pt;margin-bottom:0cm;margin-left:5.95pt;margin-bottom:.0001pt"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif"
lang="EN-US">â??</span><span lang="EN-US">â??If<span
style="letter-spacing:-.25pt"> </span>the<span
style="letter-spacing:-.25pt"> </span><span
style="letter-spacing:-.05pt">bleeding</span><span
style="letter-spacing:-.2pt"> </span>of<span
style="letter-spacing:-.25pt"> </span>any<span
style="letter-spacing:-.25pt"> </span>cylinder<span
style="letter-spacing:-.25pt"> </span>continues<span
style="letter-spacing:-.3pt"> </span><span
style="letter-spacing:-.05pt">without</span><span
style="letter-spacing:-.2pt"> </span><span
style="letter-spacing:-.05pt">success</span><span
style="letter-spacing:-.25pt"> </span>for<span
style="letter-spacing:-.25pt"> </span>a<span
style="letter-spacing:-.2pt"> </span><span
style="letter-spacing:-.05pt">considerable</span><span
style="letter-spacing:-.25pt"> </span><span
style="letter-spacing:-.05pt">time,</span><span
style="letter-spacing:-.25pt"> </span>it<span
style="letter-spacing:-.2pt"> </span>is<span
style="letter-spacing:3.05pt"> </span>possible<span
style="letter-spacing:-.25pt"> </span>that<span
style="letter-spacing:-.25pt"> </span>air<span
style="letter-spacing:-.2pt"> </span>is<span
style="letter-spacing:-.25pt"> </span>being<span
style="letter-spacing:-.25pt"> </span>drawn<span
style="letter-spacing:-.2pt"> </span>in<span
style="letter-spacing:-.25pt"> </span>past<span
style="letter-spacing:-.25pt"> </span>the<span
style="letter-spacing:-.2pt"> </span><span
style="letter-spacing:-.05pt">bleeder</span><span
style="letter-spacing:-.25pt"> </span><span
style="letter-spacing:-.05pt">screw</span><span
style="letter-spacing:-.2pt"> </span>threads.<span
style="letter-spacing:-.2pt"> </span>In<span
style="letter-spacing:-.2pt"> </span><span
style="letter-spacing:-.05pt">such</span><span
style="letter-spacing:-.2pt"> </span>cases<span
style="letter-spacing:-.2pt"> </span>tighten<span
style="letter-spacing:1.4pt"> </span>the<span
style="letter-spacing:-.25pt"> </span>bleeder<span
style="letter-spacing:-.15pt"> </span><span
style="letter-spacing:-.05pt">screw</span><span
style="letter-spacing:-.2pt"> </span>at<span
style="letter-spacing:-.2pt"> </span>the<span
style="letter-spacing:-.2pt"> </span>end<span
style="letter-spacing:-.2pt"> </span>of<span
style="letter-spacing:-.25pt"> </span>each<span
style="letter-spacing:-.2pt"> </span>downward<span
style="letter-spacing:-.2pt"> </span>stroke*<span
style="letter-spacing:-.15pt"> </span>of<span
style="letter-spacing:-.15pt"> </span>the<span
style="letter-spacing:-.2pt"> </span>pedal<span
style="letter-spacing:-.2pt"> </span>and<span
style="letter-spacing:-.2pt"> </span><span
style="letter-spacing:-.05pt">allow</span><span
style="letter-spacing:-.2pt"> </span>the<span
style="letter-spacing:-.2pt"> </span>pedal<span
style="letter-spacing:-.15pt"> </span>to<span
style="letter-spacing:1.3pt"> </span>return<span
style="letter-spacing:-.35pt"> </span>fully<span
style="letter-spacing:-.3pt"> </span>before<span
style="letter-spacing:-.3pt"> </span>re-opening<span
style="letter-spacing:-.25pt"> </span>it.<span
style="letter-spacing:-.35pt"> </span>Close<span
style="letter-spacing:-.3pt"> </span>the<span
style="letter-spacing:-.3pt"> </span><span
style="letter-spacing:-.05pt">bleeder</span><span
style="letter-spacing:-.25pt"> </span><span
style="letter-spacing:-.05pt">screw</span><span
style="letter-spacing:-.3pt"> </span><span
style="letter-spacing:-.05pt">finally</span><span
style="letter-spacing:-.25pt"> </span><span
style="letter-spacing:-.05pt">during</span><span
style="letter-spacing:-.25pt"> </span>the<span
style="letter-spacing:-.3pt"> </span>last<span
style="letter-spacing:-.35pt"> </span><span
style="letter-spacing:-.05pt">pedal</span><span
style="letter-spacing:1.2pt"> </span><span
style="letter-spacing:-.05pt">application.â??<o:p></o:p></span></span></p>
<p class="MsoBodyText"
style="mso-margin-top-alt:6.0pt;margin-right:13.55pt;margin-bottom:0cm;margin-left:5.95pt;margin-bottom:.0001pt"><span
style="letter-spacing:-.05pt" lang="EN-US">*ie to prevent
air being drawn in during the upward passage of the pedal.
(SDL 14/08/2019)â??<o:p></o:p></span></p>
<p class="MsoBodyText"
style="mso-margin-top-alt:6.0pt;margin-right:13.55pt;margin-bottom:0cm;margin-left:5.95pt;margin-bottom:.0001pt"><span
lang="EN-US">I suppose that, the brakes being old, the
threads get worn and let air back in as the pedal goes back
up. So, I tighten the bleeder as the fluid is still coming
out, ie before the downward stroke is finished. Slows the
process up somewhat and tries the patience of ones wifely
assistant.<o:p></o:p></span></p>
<p class="MsoBodyText"
style="mso-margin-top-alt:6.0pt;margin-right:13.55pt;margin-bottom:0cm;margin-left:5.95pt;margin-bottom:.0001pt"><span
lang="EN-US">Good luck anyhow.<o:p></o:p></span></p>
<p class="MsoBodyText"
style="mso-margin-top-alt:6.0pt;margin-right:13.55pt;margin-bottom:0cm;margin-left:5.95pt;margin-bottom:.0001pt"><span
lang="EN-US">Simon<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p>Â </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p>Â </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif"
lang="EN-US">From:</span></b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif"
lang="EN-US"> Healeys
<a class="moz-txt-link-rfc2396E"
href="mailto:healeys-bounces@autox.team.net";><healeys-bounces@autox.team.net></a>
<b>On Behalf Of
</b>David Leong via Healeys<br>
<b>Sent:</b> 31 August 2022 06:19<br>
<b>To:</b> 'Healey List (<a class="moz-txt-link-abbreviated"
href="mailto:healeys@autox.team.net";>healeys@autox.team.net</a>)'
<a class="moz-txt-link-rfc2396E"
href="mailto:healeys@autox.team.net";><healeys@autox.team.net></a><br>
<b>Subject:</b> Re: [Healeys] BN1 brake
system<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p>Â </o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US">Use a power pressure bleeder (I have a Motive
Bleeder) and tap on the slaves to loosen any air bubbles.
Make sure there are no high spots where air can get trapped
and not be purged out of the bleeder screw<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US"><o:p>Â </o:p></span></p>
<div>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US"><o:p>Â </o:p></span></p>
<p class="MsoNormal"><b><i><span
style="font-size:20.0pt;font-family:"Brush Script
MT";color:#2626D4" lang="EN-US">Dave</span></i></b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US"><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"
lang="EN-US"><o:p>Â </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif"
lang="EN-US">From:</span></b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif"
lang="EN-US"> Healeys <<a
href="mailto:healeys-bounces@autox.team.net";
moz-do-not-send="true"
class="moz-txt-link-freetext">healeys-bounces@autox.team.net</a>>
<b>On Behalf Of </b>warthodson--- via Healeys<br>
<b>Sent:</b> Tuesday, August 30, 2022 5:27 PM<br>
<b>To:</b> <a href="mailto:healeys@autox.team.net";
moz-do-not-send="true"
class="moz-txt-link-freetext">healeys@autox.team.net</a><br>
<b>Subject:</b> [Healeys] BN1 brake system<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"><o:p>Â </o:p></span></p>
<div>
<div>
<p class="MsoNormal"><span style="font-family:"Comic
Sans MS";color:black" lang="EN-US">We have been
trying for several months to bleed the brakes on RHD
BN1, to no avail. The car has been professionally
restored & appears to be in excellent condition.
Today, we tried again to bleed the system following the
shop manual. I.E. backing off the adjusters on the front
& back & bleeding & then readjusting the
brakes. The results were the same. There seems to be an
excessively large amount of pedal travel before the
brakes are engaged & when engaged they feel
"spongy". We have access to 2 other 100's for reference.
Any help would be greatly appreciated. Also, we are not
clear on the adjustment of the free play of the master
cylinder. <o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-family:"Comic
Sans MS";color:black" lang="EN-US">Gary HodsonÂ
 <o:p></o:p></span></p>
</div>
</div>
</div>
</div>
<br>
</blockquote>
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