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ScottA
Joined: 05 Jan 2006
Posts: 100
Location: Park City, UT
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 Posted: Mon Mar 13, 2006 6:56 pm Post subject: De-preservation of new M14 |
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I am getting ready to turn the crank shaft for the first time on a new M14 (Russian preservation). Of course the mags have been de-preserved and the compressor also.
The manual then talks about removing plugs, manifold drains, etc. It also mentions moving to TDC and sucking oil out of the top cylinder with a syringe. Then hooking up fuel pressure to clean out the carburetor, etc..
Are you guys finding it necessary to suck out the top cylinders with a syringe? Seems I could pull it through with no plugs and then even spin it up with the air with no plugs?
Any thoughts appreciated.
Thanks,
Scott
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tedwaltman(at)i1ci.com
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| Posted: Mon Mar 13, 2006 7:16 pm Post subject: De-preservation of new M14 |
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I did not move to TDC and suck any oil out.
I did not clean out the carb.
Made sure there was no oil or preservative in there. Closed up everything and fired it up. Of course, ran through about three tanks of air and a lot of hand propping, but it fired up w/ no problems within maybe 10 min of moving the prop for the first time.
Ted
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dsavarese(at)elmore.rr.co
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| Posted: Tue Mar 14, 2006 4:58 am Post subject: De-preservation of new M14 |
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If you've rotated the engine without the plugs and there is no evidence of oil in the top cylinder, then I wouldn't worry about it. When you de-preserved the magnetos, did you remove the top cover, lift the distribution cap and make sure there was no pieces of oil soaked cheesecloth type material in and around the cam?
Dennis
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ScottA
Joined: 05 Jan 2006
Posts: 100
Location: Park City, UT
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| Posted: Tue Mar 14, 2006 5:43 am Post subject: De-preservation of new M14 |
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Thanks Dennis.
Yes the oil soaked cheesecloth was in there and I did remove it. Also added some oil to the lubrication fitting cup and its wick (this engine preserved new in 1993 – all dehydrator plugs still blue, amazing).
Any other de-preservation pitfalls you can think of?
I know the cloth has been left in the magnetos before.
Thanks again,
Scott
From: owner-m14pengines-list-server(at)matronics.com [mailto:owner-m14pengines-list-server(at)matronics.com] On Behalf Of A. Dennis Savarese
Sent: Tuesday, March 14, 2006 5:58 AM
To: m14pengines-list(at)matronics.com
Subject: Re: M14PEngines-List: De-preservation of new M14
If you've rotated the engine without the plugs and there is no evidence of oil in the top cylinder, then I wouldn't worry about it. When you de-preserved the magnetos, did you remove the top cover, lift the distribution cap and make sure there was no pieces of oil soaked cheesecloth type material in and around the cam?
Dennis
[quote]
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dsavarese(at)elmore.rr.co
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| Posted: Tue Mar 14, 2006 5:53 am Post subject: De-preservation of new M14 |
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From what I've read, I think you've got it covered.
Dennis
[quote] ---
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KJKimball(at)aol.com
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| Posted: Tue Mar 14, 2006 5:59 am Post subject: De-preservation of new M14 |
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We do the mags and check the cylinders as others have pointed out but always do the carb de-preservation too. Doesn't take long and you sure get a bunch of oil and crap out of the various holes in the carb. We have found the engine much easier to start the first time when the carb treatment is done.
KK
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ScottA
Joined: 05 Jan 2006
Posts: 100
Location: Park City, UT
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| Posted: Tue Mar 14, 2006 6:21 am Post subject: De-preservation of new M14 |
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Thanks, I have read that task card and will check it again. Lots of little steps blowing air and fuel through various parts if I recall.
.5kgf/cm2 is about 7 psi, correct?
Scott
From: owner-m14pengines-list-server(at)matronics.com [mailto:owner-m14pengines-list-server(at)matronics.com] On Behalf Of KJKimball(at)aol.com
Sent: Tuesday, March 14, 2006 6:59 AM
To: m14pengines-list(at)matronics.com
Subject: Re: M14PEngines-List: De-preservation of new M14
We do the mags and check the cylinders as others have pointed out but always do the carb de-preservation too. Doesn't take long and you sure get a bunch of oil and crap out of the various holes in the carb. We have found the engine much easier to start the first time when the carb treatment is done.
KK
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fredm(at)cisco.com
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| Posted: Tue Mar 14, 2006 7:11 am Post subject: De-preservation of new M14 |
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Hey Scott,
Be sure you take videos/pics. I'm waiting/watching very intently!
Fred
From: owner-m14pengines-list-server(at)matronics.com [mailto:owner-m14pengines-list-server(at)matronics.com] On Behalf Of Scott Aldrich
Sent: Tuesday, March 14, 2006 9:21 AM
To: m14pengines-list(at)matronics.com
Subject: RE: M14PEngines-List: De-preservation of new M14
Thanks, I have read that task card and will check it again. Lots of little steps blowing air and fuel through various parts if I recall.
.5kgf/cm2 is about 7 psi, correct?
Scott
From: owner-m14pengines-list-server(at)matronics.com [mailto:owner-m14pengines-list-server(at)matronics.com] On Behalf Of KJKimball(at)aol.com
Sent: Tuesday, March 14, 2006 6:59 AM
To: m14pengines-list(at)matronics.com
Subject: Re: M14PEngines-List: De-preservation of new M14
We do the mags and check the cylinders as others have pointed out but always do the carb de-preservation too. Doesn't take long and you sure get a bunch of oil and crap out of the various holes in the carb. We have found the engine much easier to start the first time when the carb treatment is done.
KK
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KJKimball(at)aol.com
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| Posted: Tue Mar 14, 2006 2:55 pm Post subject: De-preservation of new M14 |
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Scott,
It doesn't take much pressure to open the circuits in the carb. We normally use a small piece of 1/4" plastic tubing to apply the pressure by blowing into it. Typically, it is best to get an assistant to do this for you so you can make the wise cracks about their lips on one and of the hose with the other end stuck in the carb hole!
KK
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