Piper Comanche PA-24 Service Manual page 223

H. Install door lock release tube (12) and spring (13). Adjust to allow the forward portion of the
outside handle to move out finger width when the rearward portion is depressed.
I. Check the operation of the latch handle and ascertain that the upper and lower latches (1 and 2) are
fully extended when the door handle is in a locked position (full forward), the upper latch (1) is
retracted when the lower latch is in closed position (neutral handle position, no force applied) and
both latches are retracted when the handle is in open position (full rear).
J. Ascertain that the flat portion of the door lock release tube (12) is 90° to the flat of the latch plate
(4).
K. Lock all clevis rod ends and safety all pins. Install the door trim.
4-42. Installation Of ADF Loop Antenna. (Fixed and Rotor type)
A. Locate the ADF loop antenna mounting opening on the bottom of the fuselage and connect the two
antenna couplings to the unit from inside the fuselage. This will pertain to both types of antennas.
B. Place the corrector loop over the antenna loop and install the four No. 8-32 mounting screws, then
install loop housing with eighteen No. 8-32 machine screws.
C. If the fixed type loop is used, installation will consist only of connecting the antenna leads and
mounting unit to the fuselage surface.
4-43. Installation Of Marker Beacon Antenna.
A. Mount the marker beacon antenna on the bottom rear skin of the fuselage forward section.
B. Connect the antenna lead-in wire to the insulator mounted on the bottom rear skin of the fuselage.
04/01/09
PIPER SENECA SERVICE MANUAL
1E18C
IV - STRUCTURES