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SOLOY TURBINE PAC
SECTION 7
POHS CESSNA T206H/206H
AIRPLANE & SYSTEMS
DESCRIPTION
7-8
F.A.A. Approved
May 23, 2003
ENGINE CONTROLS
The propulsion system is operated by a set of three controls. They
consist of the power control, propeller control, and fuel cutoff control.
POWER CONTROL
The power control in the cockpit is connected to the gas producer
fuel control unit on the engine. The power control controls engine
power through a machined gate system for the full power range.
With the power control pulled out and rotated to the left, the
engine will be operating in the GROUND IDLE mode and the
mode pointer will be on GROUND. FLIGHT IDLE is obtained by
pushing the power control in to the fixed stop and rotating it to the
right so the mode pointer is on FLIGHT. The remaining power
range can be obtained by pushing the power control in to increase
the engine power. A friction lock is located at the base of the
power control and is operated by rotating the lock clockwise to
increase friction or counter clockwise to decrease friction
PROPELLER CONTROL
The vernier propeller control in the cockpit is connected to the
propeller governor mounted on the Soloy propeller reduction
gearbox. The propeller control controls propeller governor
settings from the maximum RPM position (1810 RPM) to a
minimum flight position (1450 RPM) to full feather.
FUEL CUTOFF CONTROL
The fuel cutoff control in the cockpit is connected to the fuel
control unit. The cockpit control has two positions only, RUN (IN)
and CUTOFF (OUT).
ENGINE INSTRUMENTS
Engine instrumentation consists of the engine torque indicator,
propeller RPM indication (N
P
), turbine outlet temperature (TOT), N
1
percent RPM indicator, engine oil pressure, engine oil temperature
indicator, transmission oil pressure indicator and fuel flow/temperature
indicator. The indicators are placarded as to their operational
parameters.
ENGINE TORQUE INDICATOR
The power train portion of the engine gearbox consists of two
stages of helical gearing. These gears are such that a forward
axial thrust is produced on the torquemeter shaft during normal
operation. This axial thrust is transmitted to the sliding cylinder
UNCONTROLLED
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