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08-10-2008, 06:03 AM
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Join Date: Mar 2006
Location: Ottawa, ON
Posts: 650
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SB for Marvel-Schebler, Facet, Precision, Volare Carburetors
(Did not see this posted on VAF)
SB 518, dates July 18, 2008. Reprint of Precision Airmotive Mandatory Service Buylletin No. MSA-13. Replacement of floats with foam floats.
Yet another service bulletin I will have to investigate:
http://www.lycoming.textron.com/supp...pdfs/SB582.pdf
__________________
Alfio
RV-9A Ottawa, Canada
First flight Dec. 18, 2008
> 1,000 hrs tach.
Last edited by Lycosaurus : 08-10-2008 at 06:13 AM.
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08-10-2008, 04:00 PM
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Join Date: Mar 2006
Posts: 629
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I read both the original Precision Mandatory SB from 1-08 and the Lycoming release dated 7-08 and now I am really confused.
I have an MA4-5 (4164-1) on my Eci 0360 that was rebuilt by Precision in April of 05. Reading the Lyc bulletin it says that "Models Affected" -- "have been rebuilt or repaired since November 1, 2005." Sounds like mine is not affected since the work was prior to Nov 05--but wait!!
The Precision Bulletin says that the New Improved floats have been in production since November 2005 and that if you don't have one of these new improved floats you need to get one installed by no later than December 2008. Since my carb was rebuilt prior to Nov 05 sounds like I am affected.
These seem to be in conflict with each other---Lyc sounds like those rebuilt since Nov 2005 are affected but Precision sounds like all prior to that date (before the new float was available) are affected.
Comments????? Interpretation?????
My head hurts--I am going for a gin and tonic!
Cheers,
db
__________________
Dave B.
RV9a/ECiIO360/James Cowl/WW RV200 Prop
Flying since 3/06 and still smiling!!!
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08-10-2008, 07:48 PM
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Join Date: Apr 2006
Location: south carolina
Posts: 1,111
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mine is affected. ic number is 6......guess i get to call someone monday morning. 
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William Weesner/ still kicking.
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08-10-2008, 09:49 PM
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Join Date: Jan 2005
Location: Santa Clara, CA
Posts: 204
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IC #15
Just went out and checked my IC # is 15. I am not affected. Not so lucky with the Slick SB's. Both mags are effected. Airplane is not flying yet and I am hoping that Slick will come up with a permanent fix for the mags rather than the repetitive SB before the plane is flying.
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RV6 built and flying
Bearhawk Patrol plans purchased
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08-13-2008, 12:00 PM
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Join Date: Mar 2005
Location: Ramona, Ca
Posts: 259
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Where can I get the new floats?
OK I have an O-320 and my carburetor IC# is 1, therefore I will need to replace the floats. Does anyone have a price and or vendor? Precision sold the MSA line and I can't find a website for Volare.
Thanks in advance for any help.
__________________
Bill RV-9A Flying
FFI- Flight Lead
N99WC
Ramona, CA (KRNM)
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08-13-2008, 12:07 PM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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Don't bother calling Volare... The number Precision gave me is 336-449-4893 which rang to Aero Accessories. The guy who answered the phone was clueless but gave me another number 336-449-5054 (The number on the Lycoming SB) and told me to ask for Kim or Marshia. They to were at Aero Accessories but they would not give me a price and said that all parts must come from a distributor of theirs. AeroAccessories claims to be the maker of Tempest brand stuff. This carb business is a convoluted mess of businesses... AeroAccessories claims to make Tempest brand stuff which created a sub company named Volare who now owns the rights to the Precision/Consolidated/Marvel-Schebler/Facet carb line new manufacturing, parts and service/support or at least that is my understanding of it all.
Here are a few distributors she gave me:
API (which you must apply to be able to buy from)
AVIAL (have not tried yet)
Quality Aircraft Accessories (have requested a quote via email)
I am sure there are other distributors but these are the ones they gave me. http://www.aeroaccessories.com/order.html#northamerica
I have a IC-1 with the metal float which is like new but I was just trying to get a price and availability on the foam float in case I wanted to go ahead and change it. Most likely I will fly with the metal one.
Last edited by Brantel : 08-13-2008 at 12:44 PM.
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08-13-2008, 01:22 PM
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Join Date: Jan 2005
Posts: 112
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Carburetor
Here is another angle on this subject. Four months ago I bought a OH Marvel 10-4164-1 carburetor from Quality Aircraft Accessories (QAA). When I saw the SB concerning the new type of float I called QAA to ask them if my carburetor needed this upgrade. Apparently my carburetor was OH by Kelly Aerospace Power Systems and the float system they fit to their OH carburetors is not implicated by this SB hence it does not need changing.
Must have been my lucky day!!
Barry RV6A F-PRVM
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08-13-2008, 01:30 PM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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Yep Kelly has a paper out about this.
http://www.kellyaerospace.com/servic...rass_float.pdf
The only problem is if you have a metal float and cannot 100% be sure it is a Kelly float, they recommend you change it anyway.
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08-13-2008, 09:39 PM
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Join Date: Aug 2005
Location: Pasadena CA
Posts: 2,484
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Just keep the metal one unless you start having problems...
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Stephen Samuelian, CFII, A&P IA, CTO
RV4 wing in Jig @ KPOC
RV7 emp built
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08-14-2008, 02:09 PM
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Join Date: Mar 2005
Location: Bainbridge Island, WA
Posts: 333
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Rebuilt carb
My carburetor was purchased from AERO in 2007. The paperwork shows the unit (MA-4SPA) was "overhauled" by Avstar. I just called Avstar to inquire about the SB. The letters and number in the bottom left corner of the red data plate are MF V A1. The letters MF mean a metal float is inside. The metal floats they use are not subject to any issues, such as specified by a Service Bulletin. No action is required with the carburetor I have.
Just thought I'd report my findings.
__________________
Brian Vickers
Bainbridge Island, WA
RV4
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