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   Post on Rotax 912UL - REVISED Service Bulletin SB-912-063 UL Revision 2 in Rotax and other engines

   By dholly, posted 8 Sep 2013

   Rotax announces REVISED Service Bulletin SB-912-063 UL Revision 2 with expanded serial number ranges of fuel pumps and engines affected!
    
   Rotax has released an amended engine serial number list for UL engines affected by this fuel pump SB.
   
   In accordance with the current "LINE" Maintenance Manual all mechanical fuel pumps have a 5 year life. Fuel pumps prior to 2008 (with S/N starting 07. or 06.) should have already been replaced in line with the routine maintenance requirements. If this 5 year replacement has been omitted the pump should be replaced immediately. It is necessary to check the part no. & S/N of any pumps previously replaced to ensure that they are not in the affected range.
   
   NOTE: Basically, all fuel pumps with part no. 892542 and part no. 892546 are affected. Pumps with serial numbers(S/N) as listed in the SB-912-063UL R2 as originally installed in the engines and/or delivered as spare parts are also affected by this replacement recommendation. In all cases owner/operators should check their existing engine and fuel pump serial numbers against those listed as affected in the most recent release of this SB to assure they are in compliance with requirements.
   
   For UL (Uncertified) engines, http://legacy.rotaxowner.com/si_tb_info/serviceb/sb-912-063ul.pdf'>CLICK HERE to view latest revision of this UL Service Bulletin covering a broader range of affected fuel pumps and engines.
   
   Certified engines are not affected by this revised Service Bulletin.
   
   Rotax-Owner.com has previously released a VIDEO to help clarify in detail the steps required to comply with this latest SB Revision. For more information, view Rotax-Owner's video.
    
   [edit] update link