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Some time ago, it became obvious that my Lyc 360
Bendix fuel control was gradually becoming more rich at idle. The old
greybeard mechanic told me that the moving parts in the unit become slightly
scored with age and allow more fuel to pass. Also, he reminded me that a
properly adjusted control will allow the engine to idle 50 RPM faster before
shutdown as the mixture is pulled. The real trick is to do it
slowly. Set your idle speed exactly to 600 RPM and creep the mixture
back. If your RPM peaks out at 650 before roughening and loosing speed,
you are all set. If not, go turn the little wheel on the
bendix.
Since doing this my engine seems to run better all
the time - not just on the ground. Less carbon I suppose.
Mark Ravinski
N360KB 1301 hrs.
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