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cristalclear13
Joined: 19 Sep 2007
Posts: 363
Location: Southeast Georgia
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 Posted: Tue Sep 23, 2008 6:21 pm Post subject: carb socket replacement |
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I've attached a couple pictures of one of my carb sockets (notice the small cracks). One guy has told me that I need to replace it now and another guy has told me that it has lots of time left on it and that I'll know when I need to replace it. But I'm new to this and I don't know.
It's not the best picture because it was getting dark on me when I took it tonight.
What do you guys think? I've got the replacement carb sockets, so perhaps I should just go ahead and change them.
I bought the plane when it had about 25 hours on the engine and now it is at 50 hours. I don't know if they put new carb sockets on with the new engine, so I don't know how long it's been on there. The front carb socket doesn't have cracks like the back one. If I change them out should I just go ahead and change both at the same time or wait on the front one until it gets cracks in it?
BTW I have a Rotax 503 DCSI.
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_________________
Cristal Waters
Kolb Mark II Twinstar Rotax 503 DCSI Sept 2007 - sold Sept 2012
Private Pilot Aug 2008
ELSA Repairman for N193Y April 2008
Rotax 2 stroke maintenance April 2009 |
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Johann G. Johannsson
Joined: 10 Jan 2006
Posts: 18
Location: Iceland
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| Posted: Wed Sep 24, 2008 12:06 am Post subject: carb socket replacement |
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Hi Cristal.
Change the sockets before you fly again. It will take you about 10-15
minutes and could save you the propeller and maybee your plane.
I see that you are flying a Kolb Mark II, a pusher so anything that gets
lose on the engine will hit the prop. It is a money well saved to install
the new sockets asap.
Just a friendly advise.
Johann G.
Iceland.
On Tue, 23 Sep 2008 19:21:51 -0700, "cristalclear13"
<cristalclearwaters(at)gmail.com> wrote:
| Quote: |
<cristalclearwaters(at)gmail.com>
I've attached a couple pictures of one of my carb sockets (notice the
small cracks). One guy has told me that I need to replace it now and
another guy has told me that it has lots of time left on it and that I'll
know when I need to replace it. But I'm new to this and I don't know.
It's not the best picture because it was getting dark on me when I took
it
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| Quote: | tonight.
What do you guys think? I've got the replacement carb sockets, so
perhaps
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| Quote: | I should just go ahead and change them.
I bought the plane when it had about 25 hours on the engine and now it is
at 50 hours. I don't know if they put new carb sockets on with the new
engine, so I don't know how long it's been on there. The front carb
socket doesn't have cracks like the back one. If I change them out
should
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_________________
Johann G.
Iceland.
Flying Zenith 701. |
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aoldman(at)xtra.co.nz
Guest
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| Posted: Wed Sep 24, 2008 1:10 am Post subject: carb socket replacement |
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Hello Cristal . Yes I would change the sockets. It is not likly that they
will fail and let the carb fall off but if the cracks go right through then
you will suffer a very lean fuel supply to the engine . This at best will
result in over heating ,and could result in a seized engine. I have
removed the sockets and checked to see if the cracks are showing on the
inside and made a judgment call from that check to fly the plane but only
until the new parts arrived. I believe it is the sun that makes these crack
as they only crack from the outside in . I have never found any that were
cracked on the inside with no cracks on the outside.
Downunder
MK111
503
---
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Roger Lee
Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.
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| Posted: Wed Sep 24, 2008 7:08 am Post subject: Re: carb socket replacement |
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Hi Cristal,
Downunder and Johann, have very sound advice. Change them out. It's cheap insurance for you and your plane. Don't be one of these guys that try to salvage every penny out of their plane. You will pay for that in some way some day. The book says replace them. Replacing them will give you piece of mind and safety. Why throw the dice on what someone told you with your safety and your wallet when you are already questioning the advice yourself and the book tells you to replace the carb sockets. The carb sockets are one of the inspection items.
Fly safe, fly smart.
Take care.
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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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cristalclear13
Joined: 19 Sep 2007
Posts: 363
Location: Southeast Georgia
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| Posted: Wed Sep 24, 2008 7:31 am Post subject: Re: carb socket replacement |
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| Roger Lee wrote: | Hi Cristal,
Downunder and Johann, have very sound advice. Change them out. It's cheap insurance for you and your plane. Don't be one of these guys that try to salvage every penny out of their plane. You will pay for that in some way some day. The book says replace them. Replacing them will give you piece of mind and safety. Why throw the dice on what someone told you with your safety and your wallet when you are already questioning the advice yourself and the book tells you to replace the carb sockets. The carb sockets are one of the inspection items.
Fly safe, fly smart.
Take care. |
Roger, I don't have a book on Rotax engines. I downloaded a pdf Rotax maintenance manual from somewhere and all it says about it is to change it every five years or as required by condition. It's that "by condition" that I was unsure of. Seeing some good/bad pictures in the manual would be nice. But I guess when they say cracks they mean any cracks, small or large.
The guy who gave me the advice to keep it on longer has built many experimental airplanes and has lots of flying experience with experimentals. His business card also says "Cuyuna & Rotax repair station" so I had no reason to question his "expertise" until this other guy came along and told me to change it out. That's when I began to question.
Anyways...I will be changing them. Thanks to all for the advice.
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_________________
Cristal Waters
Kolb Mark II Twinstar Rotax 503 DCSI Sept 2007 - sold Sept 2012
Private Pilot Aug 2008
ELSA Repairman for N193Y April 2008
Rotax 2 stroke maintenance April 2009 |
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Float Flyr
Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland
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| Posted: Wed Sep 24, 2008 8:15 am Post subject: carb socket replacement |
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One word missing from the business card... Authorized as in Authorized
Rotax repair depot.
Noel
--
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Noel Loveys
Kitfox III-A
Aerocet 1100 Floats |
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Guy Buchanan
Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA
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| Posted: Wed Sep 24, 2008 11:39 am Post subject: carb socket replacement |
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At 07:21 PM 9/23/2008, you wrote:
| Quote: | I've attached a couple pictures of one of my carb sockets (notice
the small cracks). One guy has told me that I need to replace it
now and another guy has told me that it has lots of time left on it
and that I'll know when I need to replace it. But I'm new to this
and I don't know.
|
Two questions:
1. How much are the carb sockets?
2. How much is your plane worth. (Time AND materials.)
Do you get my point? It gets awfully quiet when a carb
socket breaks. (Sometimes only somewhat quieter, but a 503 running on
one cylinder doesn't put out much horsepower.) Since some of the
locals have broken carb sockets in high-g maneuvers I have decided to
replace mine every few years regardless of appearance. (Currently 250
hours and they look new.)
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.
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Guy Buchanan
Deceased K-IV 1200
A glider pilot too. |
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