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Piper SENECA III User Manual

Piper SENECA III
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SECTION
4
PIPER AIRCRAFT CORPORATION
NORMAL
PROCEDURES
PA-34-220T,
SENECA
III
4.17
STARTING
ENGINES(AIRPLANE
EQUIPPED
WITH OPTIONAL
ENGINE
PRIMER SYSTEM)
NOTE
Engine
starts
can
be
accomplished
down
to
ambient
temperatures
of
+20°F
with
engines
equipped with
standard
(massive
electrode)
spark
plugs.
Below that
temperature
fine
wire
spark
plugs
are
highly
recommended
to
ensure
engine
starts,
and
are a
necessity
at
+10°F
and
below. In
addition, the
use
of
external
electrical
power
source
and preheat
is
also
recommended
when
ambient
temperatures
are
below +20°F.
Upon
entering the
cockpit, begin
starting
procedure
by
moving
the
fuel
selector
to
ON. Advance
the
mixture
to
full RICH
and the
throttle
and
prop
controls
to
full
FORWARD.
Turn
the
battery
switch
and the
ignition
switches
(mag.)
ON. The
auxiliary
fuel
pump
should be OFF. Push primer
switch
and hold for
the
required
priming
time(see
Figure4-3).
Close
throttle
and
immediately
engage
starter.
With
ambient
temperatures
above
+20°F,
starts
may
be made by
discontinuing priming
before
engaging
starter.
With
ambient
temperatures
below +20°F,
starts
should
be
made by
continuing
to
prime during
cranking
period. Do
not
release
starter
until engine
accelerates
through
500 RPM,
then
SLOWLY
advance
throttle
to
obtain
1000
RPM.
Release
primer
and
immediately
place
auxiliary
fuel
pump
switch
to
LO.
Auxiliary
fuel
pump
operation will
be
required
for
one
to
three
minutes
during
initial
engine
warm-up.
When
starting
at
ambient
temperatures
of
+20°
F
and
below,
operate
the
first
engine started with alternator
ON
(at
maximum
charging
rate
not
to
exceed
1500 RPM)
for
5
minutes
minimum
before initiating
start
on
second engine.
NOTE
When
cold
weather engine
starts
are
made
without the
use
of engine
preheating
(refer
to
TCM Operator's Manual), longer than
normal
elapsed time
may
be
required
before
an
oil
pressure
indication is
observed.
REPORT: VB-1110
ISSUED:
JANUARY 8, 1981
4-18
REVISED:
FEBRUARY
25, 1982

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Piper SENECA III Specifications

General IconGeneral
ManufacturerPiper Aircraft
ModelSeneca III
Engine TypePiston
Engine ModelContinental TSIO-360-KB
Seating Capacity6
Cruise Speed188 knots (216 mph, 348 km/h)
Length28 ft 7 in (8.71 m)
Max Takeoff Weight4, 750 lb (2, 155 kg)
Horsepower220 hp each
Service Ceiling25, 000 ft (7, 620 m)
Height9 ft 11 in (3.02 m)
Propellers2-bladed constant speed

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