section
vn
Systems
Description
BEECHCRAFT
Duchess
76
on
the levers are shaped
to
standard government configura-
tion so they can
be
identified
by
touch.
The
controls are
centrally located for ease
of
operation
from
either the pilot's
or
the copilot's seat. A controllable friction knob, located to
the
right
of
the control levers, is provided
to
prevent creeping
of
the control levers.
ENGINE INSTRUMENTA
nON
Most
of the engine instruments are located in the center of
the
instrument panel. This group includes left and right instru-
ments for fuel quantity, fuel pressure, oil pressure, oil temper-
ature, cylinder head temperature, and loadmeters. The alter-
nator-out annunciator lights
for
each alternator, and the test
switch for
the
lights, are located adjacent
to
the loadmeters.
The
balance ofthe engine instruments, located above the left
subpanel, include a dual-indicating manifold pressure gage,
tachometers, and a dual-indicating exhaust gas temperature
indicator.
MANIFOLD PRESSURE GAGE
The
dual-indicating manifold pressure gage indicates the
pressure
of
the fuel/air mixture entering the engine cylinders
of
each engine, and is calibrated in inches
of
mercury.
EXHAUST GAS TEMPERATURE INDICATOR (EGT)
This
installatiqn provides for a sensitive and rapid indication
of
exhaust gas temperature
to
assist in adjusting the fuel/air
mixtures during cruise. Procedures pertaining to leaning the
mixture using the
EGT
indicator are contained in the NOR-
MAL
PROCEDURES section.
7-18
January
1978
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