User Manual

Table Of Contents
maintenance 523-0 809018
d. Start the scenario.
e. At a range of 5 nmi (or less) set the altitude rate to -500 fpm. This altitude r ate change should occur as close to 5 nmi as possible.
f. Monitor the TCAS display and audio system for correct presentation as follows (NOTE 1):
Display Range (approx) Display Aural
12 nmi Other Trafc Symbol None
4 nmi TA Symbol TRAFFIC, TRAFFIC
4.10. RETURN TO SERVICE TEST PROCEDURE.
Use the procedures that follow to make sure that the Trafc Surv e illance S ys tem equipment that has been removed for maintenance,
repair, or bench testing and is now being reinstalled in an aircraft, operates normally. If the equipment fails these tests, use the faul t
isolation procedures to determine which LRUs should be removed for shop maintenance.
4.10.1. R
eturn to Service Test.
Perform the test steps that follow to return TSS equipment to service:
a. Perform the procedures in the TCAS self-test, described in Paragraph 4.8.2.
b. Perform the procedures in Transponder Tests, described in Paragraph 4.8.8.
4.11. I
NSPECTION/CHECK.
This section presents the unique instructions necessary to verify that the condition s of the Trafc Surveillance System are normal in
the airplane. Refer to the applicable component maintenance manual if any repair to the equipment is required.
4.11.1. A
ntennas.
Do not paint any antenna. Paint can affect the performance of the antenna.
Perform the items that follow:
Make sure that the antenna is free o f dents, cracks, punctures, and dirt.
Make sure that the plugs are installed and sealed correctly.
4.11.2. T
SS-4100 Trafc Surveillance System.
Perform the inspections that follow:
Make sure that the transmitter/receiver and mount connectors are properly mated and that the t ransmitter/receiver is securely
fastened to the rack mounting position.
Make sure that the knurled hold-down knobs on the rack are secured to the transmitter/receiver and are properly safety-wired.
Make sure that the front RJ-45 access panel is properly fastened with both screws.
4.11.3. T
DR-94D ATC/Mode S Transponder.
Perform the inspections that follow:
Make sure that the transponder and mount connectors are properly mated and that the transponder is securely fastened to the rack
mounting position.
Make sure that the knurled hold-down knobs on the rack are secured to the transponder and are properly s afety-wired.
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