Today's Message Index:
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1. 12:39 AM - Deposits in Oil Filter (=?iso-8859-1?Q?J=E9rme_Delamare?=)
2. 01:08 AM - Re: Deposits in Oil Filter (Gilles Thesee)
3. 03:02 PM - Re: Deposits in Oil Filter (Peter Harris)
Message 1
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| Subject: | Deposits in Oil Filter |
Jabachat of May 2007 advise to cut the filter and wash it in fuel in
order
to look for deposit:
http://www.jabiru.net.au/Jabachat/Jaba%20Chat%20May%20%202007.pdf
I did it after the first 25 hours. My friend Marc cut the filter
carefully
(no dust). After filtering the fuel:
* http://jeromedelamare.free.fr/deposit/DSCN3651.JPG
* Test with a magnet : no magnetic parts
* Visual inspection: very small orange metal dust (valve guide?)
Is it =93normal=94 ?
I would like to send the oil for analysis but I have no reference to
compare. What and in which quantity should I find in a =93normal=94
analysis?
J=E9rme
P.S.
Jabiru 2200 N=B02092, hydraulic lifter, SB13 before first run, oil
cooler,
break in with Aeroshell 100, +0,3l of oil during 25 hours of break in,
maximum temps never exceed)
Message 2
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| Subject: | Re: Deposits in Oil Filter |
Jrme Delamare a crit :
> http://jeromedelamare.free.fr/deposit/DSCN3651.JPG
>
> Test with a magnet : no magnetic parts
>
> Visual inspection: very small orange metal dust (valve guide?)
>
> Is it normal ?
>
> I would like to send the oil for analysis but I have no reference to
> compare. What and in *which quantity* should I find in a normal
> analysis?
>
Hi Jrme,
It is normal to find "some" metal particles in the oil filter at first
oil change. Of course the quantity and size must not be excessive.
Re the picture, bushing material comes to mind, camshaft bearings,
rockers, etc.
Re oil analysis, it is mainly a comparative method, though the
specialist can determine what looks normal and what doesn't.
Few people know that fixed base operators are offered free oil analyses
by oil distributors, so if you have a friend in the business you won't
have to pay ;-)
Best regards,
--
Gilles
http://contrails.free.fr
Message 3
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| Subject: | Deposits in Oil Filter |
Jerome as I understand it there will normally be some magnetic particles
due
to the bedding in of the rings. I found a significant amount in mine at
15hrs. There should be no non magnetic bearing material which is
normally
white.
Peter H
_____
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of
J=E9rme
Delamare
Sent: Wednesday, 22 August 2007 5:38 PM
Subject: JabiruEngine-List: Deposits in Oil Filter
Jabachat of May 2007 advise to cut the filter and wash it in fuel in
order
to look for deposit:
http://www.jabiru.net.au/Jabachat/Jaba%20Chat%20May%20%202007.pdf
I did it after the first 25 hours. My friend Marc cut the filter
carefully
(no dust). After filtering the fuel:
* http://jeromedelamare.free.fr/deposit/DSCN3651.JPG
* Test with a magnet : no magnetic parts
* Visual inspection: very small orange metal dust (valve guide?)
Is it =93normal=94 ?
I would like to send the oil for analysis but I have no reference to
compare. What and in which quantity should I find in a =93normal=94
analysis?
J=E9rme
P.S.
Jabiru 2200 N=B02092, hydraulic lifter, SB13 before first run, oil
cooler,
break in with Aeroshell 100, +0,3l of oil during 25 hours of break in,
maximum temps never exceed)
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