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wingnut
Joined: 11 Jan 2006
Posts: 356
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 Posted: Thu Nov 12, 2009 5:15 pm Post subject: Purging oil |
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I had to remove my oil reservoir recently for some maintenance so now I have to do an oil purge. I've been reading the oil purge procedures. They seem rather involved. Pressurizing the system, removing all the valve covers, checking valve clearances... What a pain. Anything else I should look out for that is not mentioned in the manual?
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_________________
Luis Rodriguez
Model IV 1200
Rotax 912UL
Flying Weekly
Laurens, SC (34A) |
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Roger Lee
Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.
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| Posted: Fri Nov 13, 2009 7:03 am Post subject: Re: Purging oil |
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You need to do it or risk damaging the lifters and dry spots on rod ends. It really isn't that bad to do.
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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056 |
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brubakermal(at)yahoo.com
Guest
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| Posted: Fri Nov 13, 2009 7:23 am Post subject: Purging oil |
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just finishing up the cours in corning Roger thanks for the suggestions on LSRM repairman malcolm michigan lsrm-a ws ppc
Malcolm Brubaker
Michigan Sport
Pilot Repair
LSRM-A
(989)513-3022
--- On Fri, 11/13/09, Roger Lee <ssadiver1(at)yahoo.com> wrote:
| Quote: |
From: Roger Lee <ssadiver1(at)yahoo.com>
Subject: Re: Purging oil
To: kitfox-list(at)matronics.com
Date: Friday, November 13, 2009, 3:03 PM
--> Kitfox-List message posted by: "Roger Lee" <[url=/mc/compose?to=ssadiver1(at)yahoo.com]ssadiver1(at)yahoo.com[/url]>
You need to do it or risk damaging the lifters and dry spots on rod ends. It really isn't that bad to do.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Service Center
520-574-1080
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=272690#272========================http://ww  ========================http://www.matronics.com/Nav= a href="http://forums.matronics.com" target="_blank">http://forums.matr====================
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[quote][b]
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matronics(at)bob.brennan.
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| Posted: Fri Nov 13, 2009 7:40 am Post subject: Purging oil |
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I think it's spelled "Coors" Malcolm... 
From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of Malcolm Brubaker
Sent: Friday, November 13, 2009 10:20 AM
To: kitfox-list(at)matronics.com
Subject: Re: Re: Purging oil
just finishing up the cours in corning Roger thanks for the suggestions on LSRM repairman malcolm michigan lsrm-a ws ppc
Malcolm Brubaker
Michigan Sport
Pilot Repair
LSRM-A
(989)513-3022
--- On Fri, 11/13/09, Roger Lee <ssadiver1(at)yahoo.com> wrote:
| Quote: |
From: Roger Lee <ssadiver1(at)yahoo.com>
Subject: Re: Purging oil
To: kitfox-list(at)matronics.com
Date: Friday, November 13, 2009, 3:03 PM
--> Kitfox-List message posted by: "Roger Lee" <ssadiver1(at)yahoo.com (ssadiver1(at)yahoo.com)>
You need to do it or risk damaging the lifters and dry spots on rod ends. It really isn't that bad to do.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Service Center
520-574-1080
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=272690#272========================http://ww ========================http://www.matronics.com/Nav= a href="http://forums.matronics.com" target="_blank">http://forums.matr====================
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[quote]
href="http://www.aeroelectric.com">www.aeroelectric.com
href="http://www.buildersbooks.com">www.buildersbooks.com
href="http://www.homebuilthelp.com">www.homebuilthelp.com
href="http://www.matronics.com/contribution">http://www.matronics.com/chref="http://www.matronics.com/Navigator?Kitfox-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
[b]
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Pat Reilly
Joined: 06 Aug 2009
Posts: 345
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| Posted: Fri Nov 13, 2009 7:56 am Post subject: Purging oil |
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Not after you have "finished up" one... or a few too many.
do not archive
Pat Reilly
On Fri, Nov 13, 2009 at 9:36 AM, Bob Brennan <matronics(at)bob.brennan.name (matronics(at)bob.brennan.name)> wrote:
[quote] I think it's spelled "Coors" Malcolm...
From: owner-kitfox-list-server(at)matronics.com (owner-kitfox-list-server(at)matronics.com) [mailto:owner-kitfox-list-server(at)matronics.com (owner-kitfox-list-server(at)matronics.com)] On Behalf Of Malcolm Brubaker
Sent: Friday, November 13, 2009 10:20 AM
To: kitfox-list(at)matronics.com (kitfox-list(at)matronics.com)
Subject: Re: Re: Purging oil
just finishing up the cours in corning Roger thanks for the suggestions on LSRM repairman malcolm michigan lsrm-a ws ppc
Malcolm Brubaker
Michigan Sport
Pilot Repair
LSRM-A
(989)513-3022
--- On Fri, 11/13/09, Roger Lee <ssadiver1(at)yahoo.com (ssadiver1(at)yahoo.com)> wrote:
[b]
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Dick Maddux
Joined: 24 Jun 2008
Posts: 516
Location: Milton, Fl
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| Posted: Fri Nov 13, 2009 8:06 am Post subject: Purging oil |
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Luis,
It is a pain that's for sure but after you do it a few times it gets easier (like carb syncing) I have had to purge my system several times. Have never had a problem with air in my lifters so far but I guess it can happen. In the Lockwood course Dean (my instructor) said to put a hammer against your chest and lean your body heavily against the lifter arm with the handle of the hammer on the arm where it meets the lifter rods.(hammer head on your chest) This should compress the hydraulic lifters enough so that if there is any air in them it should compress enough to show up in excessive tappet clearances.
Just follow the Rotax instructions and it will lead you thru the procedure.
Dick Maddux
Rotax 912 UL
Milton,Fl
[quote][b]
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kitfoxsport(at)verizon.ne
Guest
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| Posted: Fri Nov 13, 2009 11:12 am Post subject: Purging oil |
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The inspection for correct venting or priming of the hydraulic tappets says to warm up the engine, take off valve covers then press on rocker arms. I have a motor that had been tore down and reassembled by someone else and sat around for awhile. I have purged the oil system but not checked the tappets and was wondering if checking of the hydraulic valve tappets cold will give me any indication and / or push any air out.
George
Sport Model (7+)- 914- almost, but not yet!
do not archive
From: "Catz631(at)aol.com" <Catz631(at)aol.com>
To: kitfox-list(at)matronics.com
Sent: Fri, November 13, 2009 8:03:49 AM
Subject: Re: Purging oil
Luis,
It is a pain that's for sure but after you do it a few times it gets easier (like carb syncing) I have had to purge my system several times. Have never had a problem with air in my lifters so far but I guess it can happen. In the Lockwood course Dean (my instructor) said to put a hammer against your chest and lean your body heavily against the lifter arm with the handle of the hammer on the arm where it meets the lifter rods.(hammer head on your chest) This should compress the hydraulic lifters enough so that if there is any air in them it should compress enough to show up in excessive tappet clearances.
Just follow the Rotax instructions and it will lead you thru the procedure.
Dick Maddux
Rotax 912 UL
Milton,Fl
| Quote: | | www.builthelp.com/" target=_blank rel=nofollow>www.homebuilthelp.com _============= |
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thesupe(at)hotmail.com
Guest
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| Posted: Fri Nov 13, 2009 11:55 am Post subject: Purging oil |
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I have a 912 operators manual downloaded on my computer C but I don't see the procedure for purging the oil listed in it. Where can I download this info? Thanks C Jim Chuk Avids C Kitfox 4 Mn
Date: Fri C 13 Nov 2009 11:09:43 -0800
From: kitfoxsport(at)verizon.net
Subject: Re: Purging oil
To: kitfox-list(at)matronics.com
.ExternalClass DIV {;}
The inspection for correct venting or priming of the hydraulic tappets says to warm up the engine C take off valve covers then press on rocker arms. I have a motor that had been tore down and reassembled by someone else and sat around for awhile. I have purged the oil system but not checked the tappets and was wondering if checking of the hydraulic valve tappets cold will give me any indication and / or push any air out.
George
Sport Model (7+)- 914- almost C but not yet!
do not archive
From: "Catz631(at)aol.com" <Catz631(at)aol.com>
To: kitfox-list(at)matronics.com
Sent: Fri C November 13 C 2009 8:03:49 AM
Subject: Re: Purging oil
Luis C
It is a pain that's for sure but after you do it a few times it gets easier (like carb syncing) I have had to purge my system several times. Have never had a problem with air in my lifters so far but I guess it can happen. In the Lockwood course Dean (my instructor) said to put a hammer against your chest and lean your body heavily against the lifter arm with the handle of the hammer on the arm where it meets the lifter rods.(hammer head on your chest) This should compress the hydraulic lifters enough so that if there is any air in them it should compress enough to show up in excessive tappet clearances.
Just follow the Rotax instructions and it will lead you thru the procedure.
Dick Maddux
Rotax 912 UL
Milton CFl
| Quote: | www.builthelp.com/" target=_blank rel=nofollow>www.homebuilthelp.com _=============
lectric.com
/">www.buildersbooks.com
ebuilthelp.com
ww.matronics.com/contribution
| Quote: | http://www.matronics.com/Navigator?Kitfox-List
ronics.com
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Hotmail: Trusted email with powerf/01/' target='_new'>Sign up now. [quote][b]
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Roger Lee
Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.
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| Posted: Fri Nov 13, 2009 5:17 pm Post subject: Re: Purging oil |
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Oil purge video. Go to the R.O.A.N. website for Rotax. They have a very good oil purging how to video.
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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056 |
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lcfitt(at)sbcglobal.net
Guest
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| Posted: Fri Nov 13, 2009 8:29 pm Post subject: Purging oil |
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Luis,
I just reviewed the Service Letter and the procedure outlined is for new
engine installation and "reworked engines". After an oil change, I would
follow the first step and pressurize the tank and rotate through until I
found clean new oil in the return line into the take up bottle. The valve
covers off? I think that would come under the new or reworked engine where
all oil has been drained off. I doubt you could drain all oil from the
engine by simply disconnecting the oil tank, unless you removed all hoses
and let is sit that way for a day or two. Just my take on it, but I think
the lifter check would be advisable if you were checking a new engine or one
that had extensive work on the engine.
And this is just my opinion, but if it was my engine, I would purge with the
air into the tank , Run the engine to check pressures etc. and then go fly.
Lowell
---
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kitfoxsport(at)verizon.ne
Guest
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| Posted: Sat Nov 14, 2009 8:47 am Post subject: Purging oil |
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Installation Manual starting on page 76.
George
Sport Model - 914- almost, but not yet!
do not archive
From: Jim_and_Lucy Chuk <thesupe(at)hotmail.com>
To: kitfox list <kitfox-list(at)matronics.com>
Sent: Fri, November 13, 2009 11:51:59 AM
Subject: RE: Purging oil
I have a 912 operators manual downloaded on my computer, but I don't see the procedure for purging the oil listed in it. Where can I download this info? Thanks, Jim Chuk Avids, Kitfox 4 Mn
Date: Fri, 13 Nov 2009 11:09:43 -0800
From: kitfoxsport(at)verizon.net
Subject: Re: Purging oil
To: kitfox-list(at)matronics.com
.ExternalClass DIV {}
The inspection for correct venting or priming of the hydraulic tappets says to warm up the engine, take off valve covers then press on rocker arms. I have a motor that had been tore down and reassembled by someone else and sat around for awhile. I have purged the oil system but not checked the tappets and was wondering if checking of the hydraulic valve tappets cold will give me any indication and / or push any air out.
George
Sport Model (7+)- 914- almost, but not yet!
do not archive
From: "Catz631(at)aol.com" <Catz631(at)aol.com>
To: kitfox-list(at)matronics.com
Sent: Fri, November 13, 2009 8:03:49 AM
Subject: Re: Purging oil
Luis,
It is a pain that's for sure but after you do it a few times it gets easier (like carb syncing) I have had to purge my system several times. Have never had a problem with air in my lifters so far but I guess it can happen. In the Lockwood course Dean (my instructor) said to put a hammer against your chest and lean your body heavily against the lifter arm with the handle of the hammer on the arm where it meets the lifter rods.(hammer head on your chest) This should compress the hydraulic lifters enough so that if there is any air in them it should compress enough to show up in excessive tappet clearances.
Just follow the Rotax instructions and it will lead you thru the procedure.
Dick Maddux
Rotax 912 UL
Milton,Fl
Hotmail: Trusted email with powerf/01/' target='_new'>Sign up now.
[quote][b]
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Roger Lee
Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.
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| Posted: Sat Nov 14, 2009 3:15 pm Post subject: Re: Purging oil |
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As per Rotax, any time the oil circuit has been opened you are supposed to do a purge. If all you do is take out the oil drain plug and take the filter off in your normal oil change and open nothing else then you don't need to do a purge. This is why A&P's should have a Rotax class because I have seen many times an A&P thinks he is going to get more oil out of the system by rotating the prop or taking off the oil cooler lines to drain more oil and never does a purge. Once the oil drain is open or the filter off do not rotate the prop to get more oil out unless you just feel like you want to do an oil purge just for the fun of it. The other big thing I see A&P's do is put anti seize on the plugs. Heat conducting paste only for the 912/914 and dry threads on 582's.
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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056 |
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