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Kn 62/62A/64 Installation - Honeywell BendixKing KN 62A Installation Manual

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BENDIX/KING
While each individual unit may not require forced air cooling, the combined heat load of several
units operating in a typical avionics stack will significantly degrade the reliability of the avionics if
provisions for stack cooling are not incorporated in the initial installation. Recommendations on
stack cooling are contained in Bendix/King Installation Bulletin #55 and #143 revised. Failure to
provide stack cooling will certainly lead to increased avionics maintenance costs and may void the
Honeywell warranty.
2.3.2
KN 62/62A/64 INSTALLATION (FIGURES
A.
Plan a location on the aircraft panel that is clearly visible and within easy access of the pilot.
B.
Avoid mounting the KN 62/62A/64 close to heater vents or other high heat sources.
C.
Compass safe distance is 8 inches for worst case deflection of one degree.
D.
Install the mounting rack in the aircraft using 6-32 x 1/2 flat head phillips screws (P/N 089-
06012-0008) and 6-32 clip nuts (P/N 089-02353-0001). The screws are inserted from the
inside through the holes in the sides of the mounting rack.
E.
Connect the harness wires to the connector pins and insert the connector pins into the rear
of the Molex connector. See
F.
Mount the Molex connector on the two hex spacers at the rear of the mounting rack. Use
two 4-40 x 7/16 pan head, phillips screws (P/N 089-05903-0007) and two #4 split lock wash-
ers (P/N 089-08003-0034). Orient the connector so the polarizer key is closer to the side
next to the antenna connector.
G.
Connect the antenna cable to the antenna connector
H.
Install the antenna connector in the mounting rack from the outside as shown in Figures
14,
2-15. Secure connector in place with three washers and a retaining ring as shown in the
figure.
I.
Install the KN 62/62A/64 into the mounting rack and secure by turning the hold down adjust-
ment screw (accessible through a hole in the front panel) clockwise with an allen hex
wrench until it is locked in place
J.
The audio output of the KN 62/62A/64 is set for approximately 2mW into 600 ohms at the
factory. If a different level is desired, readjust the audio level adjustment, accessible through
the top cover
(Figure
K.
For 066-1068-04 and 066-1088-01 units with backlit Nomenclature refer to interconnect
drawings for interconnect to lighting buss.
L.
When operating dual KN 62/62A/64's, the respective DME's will interfere with each other
when the NAV frequencies differ by 5.3 MHz (for example, 108.00 MHz and 113.3 MHz).
This interference results in premature flags or loss of "lock-on". Should this occur, one of
the KN 62/62A/64's should be either turned off or tuned to a different NAV frequency so that
the 5.3 MHz difference is eliminated.
Rev 7, November/2004
Section 2.3.3
and Figures
(Figure
2-13).
2-13).
00144I06.TDC
2-1
THROUGH 2-18)
2-1
and 2-2.
(Figure
2-3).
KN 62/62A/64
2-
Page 2-2

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