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Piper PA-32RT-300T User Manual

Piper PA-32RT-300T
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LANCE
II SERVICE
MANUAL
1040. MAGNETIC COMPASS.
10-41.
GENERAL.
The
magnetic
compass
is a self-contained
instrument.
This
instrument
has an individual
light which is connected to the
instrument lighting circuit. The compass
correction
card is located
in the card
holder mounted on
the instrument.
The compass
should
be swing whenever
instruments
or radios are changed
and at least
once a year.
10-41a. ADJUSTMENT
OF COMPASS.
Before attempting
to
compensate
compass, every
effort
should
be made to place
the aircraft
in simulated
flight conditions;
check
to see that
the doors
are closed,
flaps
in retracted
position,
engine
running,
throttle
set at
cruise
position
and aircraft in level
flight attitude.
Aircraft master switch,
alternator switch
and all
radio
switches
should be
in the ON
position.
All other
cockpit
controlled
electrical
switches
should be in the OFF position.
a.
Set adjustment
screws
of compensator
on zero.
Zero
position
of adjusting
screws
is when the
dot of the screw
is lined up
with the dot
of the frame.
b.
Head aircraft
on a magnetic
North
heading.
Adjust N-S
adjustment
screw until
compass reads exactly North.
c. Head
aircraft
on a magnetic
East heading
and do
the same
as Step b, adjusting
E-W adjusting screw.
d. Head
aircraft
on a megnetic
South heading
and
note resulting
South
error.
Adjust
N-S
adjusting screw
until one-half
of this error
has been removed.
e. Head
aircraft
on magnetic
West
and do
same as
Step d, adjusting
E-W
adjustment
screw.
f.
Head
aircraft
in successive
magnetic
30
°
degree
headings
and record
compass
readings
on
appropriate
deviation
card.
Deviations
must not
exceed
+ 10 on
any heading.
Issued:
1/3/78
INSTRUMENTS
2E21

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Piper PA-32RT-300T Specifications

General IconGeneral
BrandPiper
ModelPA-32RT-300T
CategoryAircrafts
LanguageEnglish

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