CESSNA SECTION 4
MODEL T182T NAV III NORMAL PROCEDURES
GFC 700 AFCS
U.S.
COLD WEATHER OPERATION (Continued)
If low altitude cruise in very cold temperature results in engine
temperature below the green band, increasing cruise altitude or cruise
power will increase engine temperature into the green band. Cylinder
head temperatures will increase approximately 50°F as cruise altitudes
increase from 5000 feet to 20,000 feet.
During descent, observe engine temperatures closely and hold
sufficient power to keep temperatures in the recommended operating
range.
STARTING
When air temperatures are below 20°F (-6°C), use an external
preheater and an external power source whenever possible to obtain
positive starting and to reduce wear and abuse to the engine and
electrical system. Preheat will thaw the oil trapped in the oil cooler,
which probably will be congealed prior to starting in extremely cold
temperatures.
WHEN TURNING THE PROPELLER BY HAND, TREAT IT
AS IF THE MAGNETOS SWITCH IS IN THE ON
POSITION. A LOOSE OR BROKEN GROUND WIRE ON
EITHER MAGNETO COULD ENERGIZE THE ENGINE.
(Continued Next Page)
T182TPHBUS-00 4-45
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