GENERAL AEROSPACE
Boeing 737-300
MAINTENANCE MANUAL
EFFECTIVITY
PW245
34-53-00GA
DRAWING # GA-BC17-ATC-MM
Page 503
Use and disclosure shall be in accordance with the proprietary legend located on the cover of this document
AUG 15/10
NOTE:
For information regarding the battery test, timing and recharging refer to the operation section
of the test set operators manual.
(8)
Push the SELF TEST key on the Test Set.
(9)
Push the RUN/STOP key to start the self test.
(a)
Make sure the test set display shows PASSED.
(10)
Push the SETUP key to enter the SETUP menu.
(11)
Enter 30 feet in the RANGE field for the TOP and BOTTOM antenna.
(12)
Enter 17 feet for the HEIGHT field for the TOP antenna and 3 feet for the BOTTOM antenna.
(13)
Choose the bottom antenna on the SELECTED field.
(a)
Use the SLEW keys to change the values.
(b)
Use the SELECT keys to change the items.
(c)
Use the SELECT keys to select the antenna which you must test.
(14)
Enter the gain listed on the test set antenna into the GAIN_1030 and GAIN_1090 field.
(15)
Enter the cable loss listed on the cable in the LOSS field.
(16)
Open this circuit breaker.
(a)
P6 Circuit breaker Panel
1)
AIR/GND and LTS
(17)
Set the captain's altimeter to 29.92 inches of mercury.
F.
ATC System Test
CAUTION
: Do not use codes 7500, 7600-7677, and 7700-7777. These are emergency codes.
(1)
Set the code switches on the ATC Control Panel to a desired ATC ID code.
(2)
Set the transponder select switch on the ATC Control Panel to the No. 1 system.
(3)
On the ATC Control Panel do the steps that follow:
(a)
Set the mode switch on the ATC Control Panel on the XPDR position.
(b)
Set the altitude source switch on the ATC Control Panel to the 1 (2) position.
(4)
Push the AUTO TEST key on the Test Set.
(5)
Use the RUN/STOP key to start or stop individual test.
(6)
Use the SELECT key to select each individual test.
(7)
Do a check of the REPLY DELAY TEST.
(a)
Make sure the reply delay is 128.00µs (
±
0.25µs) for mode S and ITM.
(b)
Make sure the reply delay is 3.00µs (
±
0.50µs) for ATC A and C.
(8)
Do a check of the REPLY JITTER TEST.
(a)
Make sure the reply jitter is
≤
0.05µs for mode S.
(b)
Make sure the reply jitter is
≤
0.06µs for ITM A and C.
(c)
Make sure the reply jitter is
≤
0.1µs for ATC A and C.
(9)
Do a check of the ATCRBS REPLY TEST.
(a)
Make sure the spacing of the F1 to F2 pulse is 20.3µs (
±
0.10µs).
(b)
Make sure the duration of the F1, F2 pulse is 0.45µs (
±
0.10µs).
(10)
Do a check of the SLS LEVEL TEST.
(a)
Make sure the reply is received when the SLS pulse is -9dB and no reply is received when the SLS
pulse is 0dB.
NOTE
: Run the SLS level test in less than 95 feet (28.96 meters) of the UUT antenna.
(11)
Do a check of the ATC ONLY ALL-CALL TEST. (Mode-S transponder Only)
(a)
Make sure the mode S transponder did not reply to the interrogation (PASSED TEST).