Bing Rotax 912 update, Rotax 912 Bing carb socket update, Rotax 912 Bing carburator intake socket update.

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Have you updated your Bing Carb! Failure to do so could result in an engine out! Click here for more information!
Update: Rotax has update part number 267 787 to 267 788.
The new socket has "improved strength properties" and a spacer located in the middle of the securing clamp to help prevent over tightening of the clamp.

Tighten clamp (2) of the carburetor flange part no. 267788 with tightening torque 2.5 Nm (22 in.lb ) (see fig. 4) .
Subject
Cracks, wear and distortion on the carburetor flange on ROTAX engine type 912 and 914 (Series)

Compliance
- Within the next 10 hours of operation the carburetor flanges must be inspected for damage, cracks, wear and distortion according to the following instructions in section 3.
Replace with part no. 267 788 as required.
- Every 50 hours of operation the carburetor flanges must be inspected for damage, cracks, wear and distortion according to the following instructions in section 3. Replace with part no. 267 788 as required.
.. WARNING: Non-compliance with these instructions could result in engine damage, personal injury or death!

Reason
Introduction of a optimized carburetor flange with improved strength properties and spacer for the clamp.
One or more of the following could result in increased stress and consequently in damage of the carburetor flange assembly:
- Over-torque of the flange clamp
- Unapproved and untested changes of installation, as for instance carburetor installation with intake manifolds pointing outwards
- Use of an air box assembly and airfilters not approved or distributed by ROTAX@
- Improper carburetor synchronization
- Unsuitable idle speed (too low)
- Unsuitable engine suspension I non-neutralized vibrations
- Propeller balance out of tolerance
- Friction torque value in the propeller gearbox with overload clutch is below that specified in the relevant Operators Manual (See chapter .Daily checks)
- Carburetor attachment not as specified by engine manufacturer
- lack of maintenance
- Unsuitable fuel, not as specified in the relevant Operators Manual or with more than 5 % Alcohol added
- Excessive weight on the carburetors or carburetor flanges
-Vibration, impacts, forces etc., occurring during start up or operation that might result in damage of the carburetor flanges.

After replacement of sockets restore aircraft to original operating configuration.

Test run
Conduct test run including ignition check and leakage test in accordance with the current Maintenance Manual of the respective engine type. If necessary the carburetors have to be synchronized in accordance with the relevant
Maintenance Manual.
Click here to purchase new intake socket
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Ontario Canada
L9N 1P2                 647-723-8767
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