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THRUSH AIRCRAFT, INC – MODEL S2R-R1340
INSTRUMENTS
GENERAL DESCRIPTION
The standard instruments are located on
three panels in the cockpit. An upper
panel, a left lower panel, and a right
lower panel.
The left lower panel
contains an oil temperature gauge, oil
pressure gauge, fuel pressure gauge,
hour meter, airframe related electrical
switches and the fuel quantity gauge. A
clock is optional. The right lower panel
contains the voltmeter, ammeter, and
circuit breakers. The upper instrument
panel contains the manifold pressure
gauge, tachometer, air speed indicator,
altimeter, "wet" compass, stall warning
light and turn coordinator. If the airplane
is certified for night flight, all instruments
are lighted with a post light or internally
lighted and controlled with rheostats
located on the left lower panel.
Optional instruments and gauges are
available upon request.
optional
instruments
quantity,
Micronair™
meter,
Crophawk™
meter,
encoding
horizon, electric turn and bank, vertical
speed, and directional gyro.
INSTRUMENT SYSTEM
MAINTENANCE
Unless
otherwise
maintenance of instrument systems is
limited to removal and replacement of
defective instruments and transmitters;
authorized
in-service
transmitters and instruments; and repair
of instrument systems between the
instrument
and
(transducer). Reliability of the various
instruments and related systems can be
sustained
by
routine
electrical wiring for chafing and electrical
connections for security.
8-2
AIRCRAFT MAINTENANCE MANUAL
A few of the
are
hopper
chemical
flow
chemical
flow
altimeter,
artificial
specified,
field
adjustment
of
signal
source
inspection
of
All fluid
pressure, pitot pressure, and static line
connections must be tight at all times
and lines must be correctly routed and
secured. Electrical wiring must be free
from chafing, properly connected and
secured.
Instrument ports and lines
disconnected
during
maintenance
must
plugged immediately to prevent the
entrance
of
foreign
consequent
instrument
Maintenance procedures pertaining to a
specific
instrument
contained in subsequent sections. As a
general rule, it is recommended that the
instrument signal source and means of
transmission
to
the
inspected
and
functionally
before changing an instrument. If a new
instrument or a transducer is available, it
may be expedient to utilize them in the
system to determine if the malfunction is
in the instrument, signal source or
interconnecting line.
FLIGHT INSTRUMENTS
Ref. Figure 8-1, 8-2 & 8-3
Flight
instruments
magnetic compass, airspeed indicator,
altimeter and turn coordinator.
pitot-static
system
(dynamic) and static (atmospheric) air
pressure to the airspeed indicator and
static air pressure to the altimeter.
PITOT-STATIC SYSTEM
The pitot head is installed on the right
wing lower surface outboard of the tie-
down ring and provides pitot pressure.
A heated pitot head is available as an
option. The pitot pressure line is routed
to the forward side of the wing main
spar and then inboard through the root
rib. It is then routed up to the fuel vent
line, across to the left side of the
fuselage, and then aft to the cockpit.
The static pressure ports are located on
both sides of the aft fuselage and are
system
be
capped
or
material
and
malfunction.
or
system
are
instrument
be
checked
consist
of
the
The
provides
pitot
Effective: 01/01/08
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