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Service Bulletins

Service Bulletins

AFS-SB1
ISSUED: AUGUST 04, 2009 REVISION:ORIGINAL
The use of AVStar's PMA parts in the overhaul & repair of carburetors.

AFS-SB2
ISSUED: AUGUST 06,2009 REVISION:ORIGINAL
The use of AVStar's brass floats in the overhaul & repair of carburetors

AFS-SB3
ISSUED: AUGUST 06,2009 REVISION:ORIGINAL
The inspection of float clearances in all MA series carburetors

AFS-SB4
ISSUED: MARCH 16, 2010 REVISION:ORIGINAL
The use of AVStar Accelerator Pump Plungers

AFS-SB5
ISSUED: MARCH 19, 2010 REVISION: ORIGINAL
The use of FAA-PMA Approved Replacement Parts in Fuel Injection Systems

AFS-SB6
ISSUED: APRIL 6, 2011 REVISION:2
The fracture of a fuel diaphragm stud in fuel servos

AFS-SB7
ISSUED: JULY 23, 2014 REVISION:1
This Service Bulletin defines the overhaul requirements for carburetors manufactured by AVStar Fuel Systems, Inc.

AFS-SB8
ISSUED: MAY 16, 2015 REVISION: 2
This Service Bulletin applies to all LVC-3-3A, LVC-3-3PA, LVC-5-4PA, LVC-5-5BPA, LVC-5-5PA, LHC-6-6BA and LHC-6-6BPA and all legacy aircraft carburetors manufactured by AVStar Fuel Systems, Inc.

AFS-SB9
ISSUED: DECEMBER 2, 2013 REVISION: ORIGINAL
This Service Bulletin applies to all AVStar manufactured servos (RSA-5AD1, RSA-10AD1, or RSA-10ED1) plus any servo fitted with Fuel Diaphragms manufactured by AVStar.  

AFS-SB10
ISSUED: DECEMBER 5, 2013 REVISION: ORIGINAL
This Service Bulletin applies to AVStar manufactured RSA-5AD1 and RSA-10AD1 servos mounted in an updraft configuration.

AFS-SB12
ISSUED: July 1, 2014 REVISION: ORIGINAL
This Service Bulletin applies to all AVStar manufactured servos (RSA-5AD1, RSA-10AD1, or RSA-10ED1)

AFS-SB13
ISSUED: May 20, 2016 REVISION: ORIGINAL
This Service Bulletin applies to all AVStar manufactured fuel system Flow Dividers (AV2524232-2, AV2576624-1, AV2576564-1, and AVX3015004-1) manufactured between the dates of October 1, 2015 and March 23, 2016 per the serial numbers listed in Appendix A. 



 

 

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