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10-19-2015, 11:20 AM
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Join Date: Feb 2007
Location: Mpumalanga, South Africa
Posts: 1,065
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First Oil Change
I have done about 15 hours on my IO-540 and believe it to be broken in. I have just done an oil change.
I split the old filter and inspected the paper - nada, nothing, zilch..... I was expecting at least some fine metal particles. Do I need to look harder (bright light, magnifying glass)? Is all well, or have I possibly screwed up the break in?
__________________
Paul
Mercy Air, White River FAWV
RV-10 ZU-IIZ - "Zeus"
Building Bearhawk Bravo - RV-18 not available 
2019 Donation Made
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10-19-2015, 11:21 AM
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Join Date: Nov 2011
Location: Aurora, OR
Posts: 841
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Did your temps come down? How'd the oil look?
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Greg Hughes - Van's Aircraft - Community, Media, Marketing
Van's web site | Instagram | Facebook
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Building RV-8A since Sept 2014 (N88VX reserved)
Dual AFS 5600, Avidyne IFD 440, Whirlwind 74RV, Superior XP IO-360
VAF build thread - Flickr photo album - Project Facebook page
Aurora, OR (EAA Chapter 105)
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10-19-2015, 12:01 PM
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Join Date: Feb 2007
Location: Mpumalanga, South Africa
Posts: 1,065
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CHTs in the cruise are now around 350F. Oil was quite dark. First couple of flights, had a lot of oil on the belly but that has stopped and haven't added any oil for the last few flights.
All indications are that the break in is OK but I was just surprised by the apparent lack of fine particles.
__________________
Paul
Mercy Air, White River FAWV
RV-10 ZU-IIZ - "Zeus"
Building Bearhawk Bravo - RV-18 not available
2019 Donation Made
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10-19-2015, 01:52 PM
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Join Date: Dec 2008
Location: Big Sandy, WY
Posts: 2,567
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Check the bottom screen for gear teeth and cotter pins, then keep going.
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Actual repeat offender.
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10-19-2015, 05:54 PM
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Join Date: Mar 2008
Location: houston, texas
Posts: 900
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Lucky dog.
You may be one of the lucky ones in this case. I have seen them go both ways. Making some scraps for up to 50 hours and then those we put together very clean and state to race and see nothing out of them. This is just me, but I don't like to say they are settling in tell they get at least 50 or more hours of under pressure time on them. Or loaded up as some say it. Keep checking you are doing the right thing here if you don't see anything by the third oil change and nothing is rattling you may be one of the lucky one with a good true and nice build right off the bat. Good luck, but it sounds like you have some of that now to me. Yours, R.E.A. III #80888
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10-19-2015, 06:11 PM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,515
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Quote:
Originally Posted by paul330
I have done about 15 hours on my IO-540 and believe it to be broken in. I have just done an oil change.
I split the old filter and inspected the paper - nada, nothing, zilch..... I was expecting at least some fine metal particles. Do I need to look harder (bright light, magnifying glass)? Is all well, or have I possibly screwed up the break in?
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Look closely, yes, check screen, yes. Pour a pint and celebrate that your engine builder did a proper job of keeping the build clean! This means you likely have perfect looking main and rod bearings!
Cheers,
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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10-20-2015, 02:48 AM
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Join Date: Feb 2007
Location: Mpumalanga, South Africa
Posts: 1,065
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OK, thanks, moving on....
Here's to the nice people at Aerosport Power!
__________________
Paul
Mercy Air, White River FAWV
RV-10 ZU-IIZ - "Zeus"
Building Bearhawk Bravo - RV-18 not available
2019 Donation Made
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