This is a Throttle Pulley Sector used to guide throttle cables around a 90° angle on a domestic airliner. The two counterbores shown in the sectional view receive bearings which determine location and orientation of the part in the next assembly. The bearing bores and the 7.064 radius are machined in different machines and fixtures. There is …
+/- Tolerances Just Don’t Fly! (#280)
(In accordance with the ASME Y14.5-2009 standard)
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