THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 5
Feb 19/04
3L13
APPENDIX 2
4. Magnetometer/
O
AT Sensor Assembly (See Figure 2, Sheet 2.)
The Magnetometer / OAT Sensor Assembly (Mag/OAT) is mounted on a wing access cover plate in the
underside of the outboard left wing and supplies magnetic heading information to the Primary Flight
Display (PFD). The cover plate - Mag/OAT sensor assembly is removed and installed as a unit.
A. Removal
(1) Remove eight (8) screws and support cover plate with your hand.
(2) Drop cover plate down sufficient to reach inside and disconnect the wiring harness.
(3) Remove cover plate - Mag/OAT sensor assembly.
B. Installation
(1) Prior to installation, the arrow on the magnetometer must be aligned with the longitudinal axis
of the airplane:
(a) Install the cover plate - Mag/OAT sensor assembly upside down with the arrow pointing
forward. Secure with two (2) screws.
(b) Loosen the three (3) screws holding the magnetomer to its mounting brackets.
(c) Align the arrow. Arrow must point forward and be aligned with the longitudinal axis of the
airplane within ± 2°.
(d) Tighten the three (3) magnetometer mounting screws.
(e) Remove the two (2) screws holding the cover plate - Mag/OAT sensor assembly the wing.
(2) Connect the Mag/OAT sensor assembly wiring harness.
(3) Position the cover plate - Mag/OAT sensor assembly in the access hole with the arrow on the
magnetometer pointing forward.
(4) Secure with screws (8).
5. Standb
y Attitude Indicator
In 6X S/N’s 3232014 & up and 6XT S/N’s 3255015 & up with the optional Avidyne Entegra Electronic
Flight Display System installed, an electric standby attitude indicator is installed to the left of the Primary
Flight Display (PFD).
Other than removing and replacing the unit itself (see 39-10-00), the only line replaceable part is the
emergency power battery which is located under the instrument panel mounted to a bracket on the left
side of the fuselage. See Figure 2, Sheet 3.
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