S 725-226
(12)
Push the LSK that is adjacent to <PROBE HEAT L on the GROUND TESTS MENU.
(a) Make sure bit 17 of label 270 is momentarily in the one state.
S 865-227
(13)
Open the 6C33 AOA HEAT L circuit breaker on the P6 Main Power Distribution Panel.
S 865-330
(14)
Close the 6C34 AOA HEAT R circuit breaker on the P6 Main Power Distribution Panel.
S 725-229
(15)
Push the LSK that is adjacent to <PROBE HEAT R on the GROUND TESTS MENU.
(a) Make sure bit 18 of label 270 stays in the zero state.
S 865-230
(16)
Open the 6C34 AOA HEAT R circuit breaker on the P6 Main Power Distribution Panel.
S 865-334
(17)
Close the 6D28 PROBE HEAT TAT L circuit breaker on the P6 Main Power Distribution Panel.
S 725-242
(18)
Push the LSK that is adjacent to <PROBE HEAT L on the GROUND TESTS MENU.
(a) Make sure bit 16 of label 270 is momentarily in the one state.
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A
747-400 MAINTENANCE MANUAL
S 865-333
(19)
Open the 6D28 PROBE TAT L circuit breaker on the P6 Main Power Distribution Panel.
S 085-231
(20)
Disconnect the ARINC 429 bus reader from the L ADC front panel TEST ONLY connector.
S 485-232
(21)
Connect the ARINC 429 bus reader to the R ADC front panel TEST ONLY connector.
S 865-812
(22)
Set the ARINC 429 bus reader to these parameters:
Octal Label: 270
SDI: 2 (Bit 10=1, Bit 9=0)
Display: Binary
(a) Make sure bits 14, 15, 16, 17, and 18 of label 270 are in the zero state.
S 865-813
(23)
Close the 6D31 PROBE HEAT PITOT R circuit breaker on the P6 Main Power Distribution Panel.
S 725-814
(24)
Push the LSK that is adjacent to <PROBE HEAT R on the GROUND TESTS MENU.
(a) Make sure bit 15 of label 270 is momentarily in the one state.
S 865-815
(25) Open the 6D31 PROBE HEAT PITOT R circuit breaker on the P6 Main Power Distribution Panel.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400
MAINTENANCE MANUAL
S 865-317
(26)
Close the 6D32 PROBE HEAT AUX PITOT L circuit breaker on the P6 Main Power Distribution Panel.
S 725-235
(27)
Push the LSK that is adjacent to <PROBE HEAT L on the GROUND TESTS MENU.
(a) Make sure bit 14 of label 270 is momentarily in the one state.
S 865-236
(28)
Open the 6D32 PROBE HEAT AUX PITOT L circuit breaker on the P6 Main Power Distribution Panel.
S 865-E08
(29)
Close the 6C33 AOA HEAT L circuit breaker on the P6 Main Power Distribution Panel.
S 725-244
(30)
Push the LSK that is adjacent to <PROBE HEAT L on the GROUND TESTS MENU.
(a) Make sure bit 17 of label 270 stays in the zero state.
S 865-319
(31)
Open the 6C33 AOA HEAT L circuit breaker on the P6 Main Power Distribution Panel.
S 865-E09
(32)
Close the 6C34 AOA HEAT R circuit breaker on the P6 Main Power Distribution Panel.
S 725-247
(33)
Push the LSK that is adjacent to <PROBE HEAT R on the GROUND TESTS MENU.
(a) Make sure bit 18 of label 270 is momentarily in the one state.
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本文链接地址：747-400 AMM 飞机维护手册 导航 NAVIGATION 1(109)
