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Date: Sun, 29 Sep 2013 22:39:27 -0500
Message-ID: <CAAXEWUq2QPGC_0xJYN9O6QnMbY-KCnY_4gY-2VfC1-7iP5zc4w@mail.gmail.com>
Subject: Re: [LML] leaky electrical system
From: "William A. Hogarty" <billhogarty@gmail.com>
To: Lancair Mailing List <lml@lancaironline.net>
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Terrance:

The first thing that comes to mind is a stray strand problem.

Check your connections from the circuitbreaker thru the remaining circuitry.

Good Luck  Bill Hogarty


On Sun, Sep 29, 2013 at 9:53 PM, Terrence O'Neill <troneill@charter.net>wrote:

> My N211AL is from kit no. 11, and has electric prop, electronic ignition,
> dual grant rapids Tech EFIS, autopilot, flaps, navcom, GPS, transponder,
> intercom, and retract gear.
>
> My battery kept going dead, so was advised to put an ammeter on it and see
> how much it was leaking, and then start pulling circuit breakers.
> It was leaking 18.7 milliamps.  I pulled CBs one at a time and reset them.
>  Would you believe the very last one stopped the leaking, and the ammeter
> went to 0.0.
> It is the CB for the hydraulic pump.
>
> Question:  why is that circuit leaking when the CB is in?
> The pump works fine.
> I have added a pressure switch to keep the gear down and the airspeed is
> below about 85 mph ... or to put the gear down when the airspeed drops
> below 85k. The pump is off when the Master is off.
> Is there something in the pump circuit that allows it to bleed?
>
> (For now I'm adding to the Check List for Shutdown:  Hyd. Gear CB  -- out.)
>
> Any suggestions welcomed.
>
> Terrence
> N211AL L235/320
> About 200 hrs.
> --
> For archives and unsub
> http://mail.lancaironline.net:81/lists/lml/List.html
>

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Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Terrance:<div><br></div><div style>The first thing that co=
mes to mind is a stray strand problem.</div><div style><br></div><div style=
>Check your connections from the circuitbreaker thru the remaining circuitr=
y.</div>
<div style><br></div><div style>Good Luck =A0Bill Hogarty</div></div><div c=
lass=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Sun, Sep 29, 201=
3 at 9:53 PM, Terrence O&#39;Neill <span dir=3D"ltr">&lt;<a href=3D"mailto:=
troneill@charter.net" target=3D"_blank">troneill@charter.net</a>&gt;</span>=
 wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">My N211AL is from kit no. 11, and has electr=
ic prop, electronic ignition, dual grant rapids Tech EFIS, autopilot, flaps=
, navcom, GPS, transponder, intercom, and retract gear.<br>

<br>
My battery kept going dead, so was advised to put an ammeter on it and see =
how much it was leaking, and then start pulling circuit breakers.<br>
It was leaking 18.7 milliamps. =A0I pulled CBs one at a time and reset them=
. =A0Would you believe the very last one stopped the leaking, and the ammet=
er went to 0.0.<br>
It is the CB for the hydraulic pump.<br>
<br>
Question: =A0why is that circuit leaking when the CB is in?<br>
The pump works fine.<br>
I have added a pressure switch to keep the gear down and the airspeed is be=
low about 85 mph ... or to put the gear down when the airspeed drops below =
85k. The pump is off when the Master is off.<br>
Is there something in the pump circuit that allows it to bleed?<br>
<br>
(For now I&#39;m adding to the Check List for Shutdown: =A0Hyd. Gear CB =A0=
-- out.)<br>
<br>
Any suggestions welcomed.<br>
<br>
Terrence<br>
N211AL L235/320<br>
About 200 hrs.<br>
--<br>
For archives and unsub <a href=3D"http://mail.lancaironline.net:81/lists/lm=
l/List.html" target=3D"_blank">http://mail.lancaironline.net:81/lists/lml/L=
ist.html</a><br>
</blockquote></div><br></div>

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