THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 1
Feb 19/04
4C7
39-10-00
INSTRUMENT AND CONTROL P
ANELS
1. General
A. Face-Mounted Instruments
Most instruments are face-mounted and secured to the instrument panel by screws from the front of
the panel. Most instruments are removed out the back of the panel, but a few are removed through
the front of the panel. Take special care when any operation pertaining to the instruments is
performed.
(1) Removal
(a) Disconnect the plumbing and/or electrical connectors from the back of the instrument.
Where two or more lines connect to an instrument, identify and tag each line to facilitate
installation. Attach a dust cap to each fitting.
NOTE: For those instruments which remove through the front of the panel, disconnecting
and tagging plumbing and/or electrical connectors can be done after the
instrument retaining screws are removed and the instrument is slid gently forward
to expose the connections at the rear.
(b) Remove the screws that secure the instrument in the panel cutout.
(c) Remove the instrument from the panel.
(2) Installation
(a) Place the instrument in its proper panel cutout and secure with screws.
NO
TE: For those instruments which install through the front of the panel, connecting
plumbing and/or electrical connectors can be done from the front of the panel
before the instrument retaining screws are installed. After the connections are
secure, slide the instrument into place and install the retaining screws.
(b) Connect the plumbing and/or electrical connectors to back of instrument.
(c) Check instrument operation.
B. Rack-Mounted Avionics
Most avionics are rack-mounted front-removable units generally secured to the instrument panel
tray/rack by a single jackscrew located in the center of their faceplate.
(1) Removal
(a) Insert an appropriate size (generally 3/32 inch) allen wrench into the jackscrew access
hole in the faceplate.
(b) Unscrew the jackscrew in a counterclockwise direction.
(c) Slide the avionics unit aft and out of the instrument panel tray/rack.
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