S 014-018
(2) Open the access door (117AL) of the electronics compartment to get to the ATC transponder (AMM 06-09-01/201).
D. Procedure
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S 024-024
CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE
_______ TRANSPONDER. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE CAN DAMAGE TO THE TRANSPONDER.
(1)
Remove the ATC transponder (AMM 20-11-22/401).
S 434-037
(2)
Install dust caps on the electrical connectors.
TASK 34-53-02-404-004
3. ATC Transponder Installation
____________________________
A. References
(1)
AMM 06-09-01/201, Body Section 41 Access Doors and Panels
(2)
AMM 20-11-22/401, Rack-Mounted Electrical/Electronic Module
(3)
AMM 24-22-00/201, Manual Control
(4)
IPC 34-53-02-01 Fig. 1
B. Access
(1)
Location Zones 117/118 Electrical and Electronics Compartment
(2)
Access Panels
117AL Electronics Component Access Door
C. Prepare for Installation
S 864-005
(1) Make sure these circuit breakers are open with DO-NOT-CLOSE tags attached:
(a) P7 Overhead Circuit Breaker Panel 1) 7B10 NAV RADIO ATC L 2) 7B22 NAV RADIO ATC R
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D. Procedure
S 034-025
CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE
_______ TRANSPONDER. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE TRANSPONDER.
(1)
Remove the dust caps from the electrical connectors.
S 424-026
(2)
Install ATC transponder (AMM 20-11-22/401).
E. Prepare for ATC Transponder Test
S 864-007
(1) Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) P7 Overhead Circuit Breaker Panel
1) 7B10 NAV RADIO ATC L
2) 7B22 NAV RADIO ATC R
3) 7B23 NAV RADIO ATC ANTENNA SW
S 864-009
(2)
Supply electrical power (AMM 24-22-00/201).
S 864-026
(3)
Set the transponder select switch on the ATC control panel to the applicable system (L or 1, R or 2).
F. ATC Transponder Test
S 744-044
(1) Push and release the TEST switch on the front panel of the applicable transponder.
(a) Make sure the sequence that follows occurs: 1) All of the front panel LED indicators come on.
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2) All of the front panel LED indicators go off.
S 864-014
(2) Remove electrical power if it is not necessary (AMM 24-22-00/201).
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