AIRCRAFT
SA160
AIRCRAFTA I R C R A F T
Symphony
before you achieve leanest EGT, you can simply reinitialize by
pressing 'BUTTON 1' twice which 're-arms' the Lean EGT mode
andnormalizes thegraphstothebottomagain.Donotleanfurther
ifengineroughnessoccurs.
after the lean EGT graph stops flashing, noting
that the lean EGT graph (the graph that now has a single bar
markingwherethepeakwasfound)goesup. This signifies that the
mixture is returning to the peak value again. Set your final mixture
via the bar graph or by the digital readout (now showing the
leanest EGT) according to your particular engines operating
handbook. Some engines require a mixture 50 - 75 degrees rich of
peak at high power settings, while others allow running at peak or
evenleaner!Consultyourenginemanual.
Initially set a rich fuel flow achieving approximately 100
degrees cooler than the last known peak. The 'PEAK DISPLAY
MODE' (see 'Digital Display Modes') can be used to perform this, if
thesystemhaspreviouslyfoundaleanEGT.
is displayed both graphically and digitally. Full color range
marks provide a quick reference for fast analysis of voltage levels. As
voltagerises,thegraphsizeincreasesproportionately.
Additionally your system has a built-in warning system that flashes the
graph when system voltage is out of nominal range (either too low or too
high).
STEP 3 - ENRICH:
TIP:
VOLTAGE
4.11 ELECTRICAL MONITORING SYSTEM
OPERATION
Feb 25, 2005
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