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My experience: without some air in the hose or hard line the oil pressure
gauge needle will vibrate from oil pump pressure fluctuations. The air acts
as a damper to prevent that.
I replaced the flexible hose without thinking about air getting into the
system and the gauge worked fine. When I did think about it, I thought I
should bleed the air, which I did. The needle immediately began vibrating
severely and continued until I disconnected the line at the gauge and
reconnected it without bleeding. A couple years later during my return from
Conclave in San Diego, I noticed the needle vibrating again. Investigation
found the nut on the line behind the gauge loose, with a drop of oil hanging
from it. Apparently, the line bled itself through the loose nut.
Disconnecting and reconnecting the line fixed it.
Steve Byers
HBJ8L/36666
BJ8 Registry
AHCA Delegate at Large
Havelock, NC USA
From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of Simon
Lachlan
Sent: Tuesday, November 10, 2015 4:58 PM
To: 'healeys'
Subject: [Healeys] Oil pressure pipe
The flexible pipe which comes out of the block on the RHS, under the carbs,
and is the beginning of the pipework to the oil pressure gauge..............
I think that mine is seeping a leetle tiny seep where it comes out of the
block. Nothing that matters, but it won't get any better.
So, my guess is that there's a dodgy washer in there somewhere. Now, if I
take it all apart, air will get in to the pipe???
Does that matter?
If it does matter, what's the cure?....Run the engine and loosen off the
connection at the back of the gauge??
Simon
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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-family:"Comic Sans MS";color:#002060'>My experience: =
without some air in the hose or hard line the oil pressure gauge needle =
will vibrate from oil pump pressure fluctuations. The air acts as =
a damper to prevent that.<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Comic Sans =
MS";color:#002060'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Comic Sans =
MS";color:#002060'>I replaced the flexible hose without thinking about =
air getting into the system and the gauge worked fine. When I did =
think about it, I thought I should bleed the air, which I did. The =
needle immediately began vibrating severely and continued until I =
disconnected the line at the gauge and reconnected it without bleeding. =
A couple years later during my return from Conclave in San Diego, =
I noticed the needle vibrating again. Investigation found the nut =
on the line behind the gauge loose, with a drop of oil hanging from =
it. Apparently, the line bled itself through the loose nut. =
Disconnecting and reconnecting the line fixed =
it.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Comic Sans =
MS";color:#002060'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Comic Sans =
MS";color:#002060'>Steve Byers<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Comic Sans =
MS";color:#002060'>HBJ8L/36666<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Comic Sans =
MS";color:#002060'>BJ8 Registry<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Comic Sans =
MS";color:#002060'>AHCA Delegate at Large<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Comic Sans =
MS";color:#002060'>Havelock, NC USA<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Comic Sans =
MS";color:#002060'><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"'> =
Healeys [mailto:healeys-bounces@autox.team.net] <b>On Behalf Of =
</b>Simon Lachlan<br><b>Sent:</b> Tuesday, November 10, 2015 4:58 =
PM<br><b>To:</b> 'healeys'<br><b>Subject:</b> [Healeys] Oil pressure =
pipe<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal><span =
lang=3DEN-GB>The flexible pipe which comes out of the block on the RHS, =
under the carbs, and is the beginning of the pipework to the oil =
pressure gauge..............<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-GB>I think that mine is seeping a =
leetle tiny seep where it comes out of the block. Nothing that matters, =
but it won’t get any better.<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-GB>So, my guess is that there’s =
a dodgy washer in there somewhere. Now, if I take it all apart, air will =
get in to the pipe???<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB>Does that matter?<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-GB>If it does matter, what’s the =
cure?....Run the engine and loosen off the connection at the back of the =
gauge??<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB>Simon <o:p></o:p></span></p></div></body></html>
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