S 745-129
(9)
Push the TEST switch on the front panel of the TCAS computer.
(a) Make sure you hear the TCAS TEST OKAY annunciation.
S 865-130
(10) Close this circuit breaker.
(a) P7 Overhead Circuit Breaker Panel:
1) C21, RADIO ALTM R
S 865-247
(11) Open these circuit breakers and attach DO-NOT-CLOSE tags:
NOTE: If sirens sounds, set the gear lever to the OFF position or
____ set the flaps to less than or equal to 30. Make sure to follow precautions for moving the gear lever or flaps setting.
(a) On the P7 Overhead Circuit Breaker Panel:
1) 7F22, LANDING GEAR DSP & CONT PRI
2) 7F23, LANDING GEAR DSP & CONT ALTN
3) 7H08, GND SAFETY RELAY
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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747-400 MAINTENANCE MANUAL
S 865-336
(12) Use the radio altimeter test set to make a radio altitude of 1500 feet.
(a) Make sure the ND does not show the TA ONLY, TCAS FAIL, or TCAS OFF messages.
S 865-249
(13) Decrease the simulated radio altitude to approximately zero feet.
(a) Make sure the ND shows TA ONLY.
S 865-134
(14) Remove the DO-NOT-CLOSE tags and close these circuit breakers.
(a) P7 Overhead Circuit Breaker Panel: 1) 7F22, LANDING GEAR DSP & CONT PRI 2) 7F23, LANDING GEAR DSP & CONT ALTN 3) AIRPLANES WITH THE "GND SAFETY RELAY" CIRCUIT BREAKER
INSTALLED AT PANEL GRID LOCATION 7H08; 7H08, GND SAFETY RELAY
G. IDS Interface Test
S 865-135
(1)
Set the captain and first officer EIU source select switch to the AUTO position.
S 865-136
(2)
Push the traffic switch on the captain's and first officer's EFIS control panels.
(a) Make sure the captain's and first officer's ND show TFC and TA ONLY indications.
S 865-137
(3)
Open this circuit breaker.
(a) P7 Overhead Circuit Breaker Panel:
1) 7F09, EIU L
2) 7F10, EIU C
3) 7F15, EIU R
(4)
Go to INPUT MONITORING from the OTHER FUNCTIONS page on the MCDU.
S 865-197
(5)
ENTER C/30/350/00 into the PORT/LBL/SDI field using the CMC scratch pad and the 1LSK key.
S 865-196
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S 215-198
(6)
Make sure bits 25 and 26 are set to 1 of label 350 from the TCAS computer.
S 865-199
(7)
Close this circuit breaker:
(a) On the P7 Overhead Circuit Breaker Panel:
1) 7F09, EIU L
S 215-267
(8)
Make sure bit 25 is set to 0 and bit 26 is set to 1 of label 350 from the TCAS computer.
S 865-212
(9)
Open this circuit breaker:
(a) On the P7 Overhead Circuit Breaker Panel:
1) 7F09, EIU L
S 865-213
(10) Close this circuit breaker:
(a) On the P7 Overhead Circuit Breaker Panel:
1) 7F10, EIU C
S 215-108
(11)
Make sure bit 25 is set to 0 and bit 26 is set to 1 of label 350 from the TCAS computer.
S 865-226
(12)
Open this circuit breaker:
(a) On the P7 Overhead Circuit Breaker Panel:
1) 7F10, EIU C
S 865-227
(13) Close this circuit breaker:
(a) On the P7 Overhead Circuit Breaker Panel:
1) 7F15, EIU R
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 导航 NAVIGATION 3(3)
