Engine Controls; Fuel System - Piper PA-28-181 Archer II Pilot Operating Handbook

PIPER
AIRCRAFT CORPORATION
SECTION 7
DESCRIPTION & OPERATION
PA-28-181,
ARCHER
II
7.11 ENGINE CONTROLS
Engine
controls consist
o[
a
throttle control
and a
mixture control lever.
These
controls are located on
thc control
quadrant
on thc lower
center
of
the
instrument parrel
(Figure 7-5)
where they are accessible
to
$oth
the
pilot
and
the
copilot. The controls
utilize
teflon-lined control
cables
to reduce
liiction
and
binding.
The
throttle lever is
used
to
adjust engine
RPM. The mixtule
control
lever
is
used
to
adjust
the
air to fuel ratio. The engine
is
shut down
by
the
placing of
the
mixture control lever
in
the
full
lean
position. For information
on the
leaning procedure,
see
Section 4.27 of this Handbook.
The
friction
acljustment
lever on the
right
side
of
the
control quadrant
may
be adjusted
to
incrsase
or
decrease
the
friction holding
the
throttle and
mixture controls or to
lock
the
cotrtrols
in
a
selected
position.
The carburetor heat
control lever
is
located
to
the
right o{'the control
quaclrant
on the instrument pancl. Thc control
is
placarded
with
two
positions:
"ON"
(down),
"OFF"
(up).
7.13 FUEL SYSTEM
Fuel
is
storecl
in two
twenty-five gallon (24 gallons
usable) tanks
which
are secured
to
the leading
edge
structure
of
each
wing by
screws
and nut
plates. Each
tank
is
equipped
with
a
filler
neck
indicator
tab
to
aid
in
deter-
mining fuel remaining when the tanks
are
not full.
Usable capacity
to
the
bottom of
the
indicator
tab
is
17
gallons'
The
fuel
selector
control
(Figure 7-7) is located on the
left
sicle-panel,
forward
of
the
pilot's
seat.
The button on the selector cover must
be
depressed
ancl
held while the handle
is
moved
to the OFF position.
The
button releases
automatically when the handle
is
moved back
into
the ON
position.
An auxiliary
electric fuel
purnp
is provided
in
case
of failure of
the
engine
driven pump. The
electric
pump should
be on
for all
takeoffs
and
landings, and
when switching tanks. The pumlr switch is located
in
the
switch panel above the
throttle quadrant.
ISSUED: JULY 2,1979
REYISED: JULY 5'
L985
REPORT: VB-1120
7-7