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B
2.4
POST INSTALLATION TEST PROCEDURE
2.4.1
TRANSPONDER SYSTEM CHECKOUT
The post-installation test is used to apply power and functionally checkout the system. Successful
completion of the post-installation test verifies the proper operation of the KT 76C ATC Transpon-
der System.
Table 2-1 is a visual inspection/check procedure that should be performed after system installation
as part of a system checkout. A post-installation test per paragraph 2.4.1.B should be performed.
In addition, the procedure should be used as a periodic maintenance inspection check.
EQUIPMENT
KT 76C ATCRBS
Transponder
Antennas
A.
Inspection
Perform the following inspection on the overall system:
(1)
Check that cables do not interfere with aircraft controls or other equip-
ment.
(2)
Check cabling for proper routing and check security of tie-down points.
Inspect and adjust cable runs to ensure that cables are not strained,
kinked, or severely twisted and are not exposed to rough or sharp sur-
faces.
B.
Post-Installation Test/Operation
(1)
General
Installation of the transponder system requires three stages of testing to
ensure the proper operation of the transponder. Initially, prior to the in-
stallation of the transponder and antenna, a system interwiring check
should be performed. This check verifies that the aircraft and all tran-
sponder interconnections are correct, before power is applied. After the
units are installed a visual inspection of the equipment and connections
is made.
Rev 3, May 2004
ATCRBS TRANSPONDER
TABLE 2-1 Inspection/Check Procedure
INSPECTION/CHECK PROCEDURE
A. Inspect external surface for damage
B. Check that the unit is securely installed and that retaining
mechanism is securely tightened.
C. Ensure that all connections in the mounting tray are prop-
erly mounted and secure.
A. Inspect external surfaces for damage.
B. Check that antenna is properly mounted and mounting
screws are tight.
C. Ensure that antenna coaxial cable connectors are properly
mated and secure.
IM 006-10545-0003.dwd
KT 76C
Page 2-14
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