SECTION
3 PIPER
AIRCRAFT
CORPORATION
EMERGENCY
PROCEDURES
PA-28-161, WARRIOR
II
If
engine failure
was
caused by fuel exhaustion. power will
not
be
regained
after
switching fuel
tanks
until the empty fuel lines
are
filled. This
may
require
up
to ten seconds.
If
power
is
not regained. proceed with the Power Off
Landingproced
ure
(refer
to
the emergency check list
and
paragraph
3.13).
3.11 ENGINE POWER
LOSS IN FLIGHT
Complete
engine
power
loss
is
usually caused by fuel flow interruption.
and
power
will
be
restored
shortly
after
fuel flow
is
restored. If power loss
occurs
at
a low altitude, the first step
is
to
prepare for
an
emergency landing
(refer
to
paragraph
3.13). An airspeed
of
at
least
73
K lAS should be main-
tained.
If
altitude
permits, switch the fuel selector to
another
tank
containing
fuel
and
turn
the electric fuel
pump
ON. Move the mixture control
toR
lCH
and
the
carburetor
heat
to
ON. Check the engine gauges for
an
indication
of
the
cause
of
the power loss. Check
to
insure the
primer
is
locked. If no fuel
pressure
is
indicated. check the
tank
selector position
to
be sure it
is
on a
tank
containing
fuel.
When power
is
restored move the
carburetor
heat to the
OFF
position
and
turn
OFF
the electric fuel pump.
If
the
preceding steps
do
not
restore power. prepare for
an
emergency
landing.
If
time
permits,
turn
the ignition switch
to
L then to R then back to
BOTH.
Move
the
throttle
and
mixture
control levers
to
different settings.
This
may
restore
power
if the
problem
is
too rich or too
too
lean a mixture
or
if
there
is
a partial fuel system restriction.
Try
other
fuel tanks.
Water
in
the
fuel could
take
some time to be used up. and allowing
the
engine to
windmill
may
restore power. If
power
loss
is
due
to
water. fuel pressure
indications
will be
normal.
If
engine
failure was caused by fuel exhaustion. power will not
be
restored
after
switching fuel
tanks
until the
empty
fuel lines are filled. This
may
required up
to
ten seconds.
If
power
is
not regained. proceed with the Power Off Landing procedure
(refer
to
the
emergency checklist
and
paragraph
3.13).
REPORT:
VB-1180
3-10
ISSUED:
AUGUST
13, 1982
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