SOLOY TURBINE PAC
SECTION 4
POHS CESSNA T206H/206H
NORMAL PROCEDURES
4-15
F.A.A. Approved
May 23, 2003
AMPLIFIED PROCEDURES
PREFLIGHT INSPECTION
The preflight inspection, described in the abbreviated procedures part of
this section, is recommended before flight. Baggage should be weighed,
stowed, and tied down. The preflight should include a determination of the
airplane’s operational status, a check that the necessary papers are on
board and in order, and a computation of takeoff weight and C.G., takeoff
distance and in-flight performance. A weather briefing for flight should be
obtained.
Particular attention should be given to the engine air induction system to
ensure that it is free of snow or other debris that could flame out or
damage the engine.
The propeller should be rotated by hand to ensure the power turbine is
free.
Check the Turbine Pac oil tank level. Low oil level indication can be
caused by insufficient oil quantity and/or a defective check valve. A
defective check valve can allow oil in the storage tank to flow back into the
system and gearboxes, thus causing an erroneous quantity indication.
Should this occur, start the engine (observe engine oil pressure
requirements) and run at ground idle for 5 minutes, then shut down the
engine and recheck the oil level. If the oil level is back up to normal, take
the appropriate maintenance actions. If the quantity of the oil remains low
following the check, add oil to the low operation limit of 4 U.S. quarts.
It is possible for the impending oil bypass indicators to extend during a
start when the oil is cold, and give an erroneous indication of a dirty oil
filter. If an impending bypass filter indicator is extended, run the engine
until the oil is at operating temperature, and push the indicator button in. If
the button remains in throughout the engine’s normal operational range, no
further action is necessary.
In addition, if the cowl has been removed, a careful inspection of the
engine alternate air pneumatic lines should be checked to verify that they
are properly matched to prevent reverse operation. Also check for
condition and security.
If any water is detected in the fuel system, the fuel tank sump quick-drain
valves, fuel reservoir quick-drain valves, and fuel strainer drain should all
be thoroughly drained again. Then, the wings should be gently rocked and
the tail lowered to the ground to move any further contaminants to the
sampling points. Repeated samples should be taken from all drain points
until all contamination has been removed. If, after repeated sampling,
evidence of contamination still exists, the fuel tanks should be completely
drained and the fuel system cleaned.
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