General Aviation

Published on March 3rd, 2015 | by Mark Dwyer

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Rotax Releases 912/914 Float Exchange Service Bulletin

Download the Float Exchange Bulletin SB-912-067/SB-914-048 

Download the UL Float Exchange Bulletin SB-912-067UL/SB-914-048UL

MANDATORY ROTAX SERVICE BULLETIN: 
“Exchange of floats on ROTAX 912 and 914 (series)”

SB-912-067  /  SB-914-048
SB-912-067UL / SB-914-048UL

Rotax has released a Mandatory Bulletin requiring exchange of the carburetor floats on certain Rotax 912/914 series engines and carbs.

All 912/914 Carburetor floats in the ranges of applicability described in this bulletin must be replaced by new “marked” replacement floats, which will be marked with one or two embossed ‘dot’ markers as shown. (The float part number has not changed.)

marked-floats
This bulletin only applies to ‘unmarked’ floats produced since July 1, 2012. (unmarked float shown below)

OldFloat
Affected engines and carburetors known to have these potentially affected ‘un-marked’ floats installed are identified by serial number in this bulletin. Carb floats installed as replacements parts since July 1st, 2012 are also affected by this bulletin. 

Exchange of all affected floats is MANDATORY, and replacement must be accomplished no later than April 28th, 2015

If your carburetor has had ‘unmarked’ replacement floats installed and you are unsure of their vintage, then you should replace them with the new “Marked” floats as described above.

Download the Float Exchange Bulletin SB-912-067/SB-914-048 

Download the UL Float Exchange Bulletin SB-912-067UL/SB-914-048UL

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About the Author

Mark Dwyer

Mark is an airline pilot by profession flying the Boeing 737 for a major European airline. In addition he is also a Type Rating Instructor on the B737. Outside of commercial flying Mark enjoys flying light aircraft from the smallest 3 Axis microlights up to heavier singles. He also instructs on them including tailwheel differences training and is a UK CAA Examiner. He also flies the Chipmunk for the Irish Historic Flight Foundation (IHFF). Mark became the Chairman of the National Microlight Association of Ireland (NMAI) in 2013 and has overseen a massive growth in the organisation. In this role he has worked at local and national levels. In 2015, Mark won ‘Upcoming Aviation Professional Award’ at the Aviation Industry Awards sponsored by the IAA. Mark launched this website back in 2002 while always managing the website, he has also been Editor and Deputy Editor of FlyingInIreland Magazine from 2005 to 2015.



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