ILF 101, 151, 156-199, 310, 314, 315, 319, 323, 331, 333-399, 401, 402, 405, 406, 409, 410, 412, 416, 424, 425,
427-429, 451, 452, 491-495, 497, 498, 501-504, 507-510, 513-516, 518-520, 523-528, 530-533, 535-537, 541, 542,
552-556, 559-564, 567, 569, 571-577, 583, 585, 588-590, 592-599, 601-603, 606, 607, 610-615, 620, 625-627, 671,
672, 691-699, 703, 707-710, 804-807, 812, 831-835, 838, 841, 842, 854-856, 861-863, 871-874, 948, 972, 980-999;
ILF 301, 304, 308, 317, 318, 332, 496, 499, 500, 512, 557, 568, 581, 686, 803, 808-811, 813, 821, 822, 836, 837,
851, 852, 857, 858, 947, 968-971, 973 POST SB 737-30A1063 (Continued)
1) Make sure the CAPT PITOT, L ELEV PITOT, L ALPHA VANE,TEMP PROBE, F/O
PITOT, R ELEV PITOT, R ALPHA VANE, and AUX PITOT lights on the window and
pitot heat module go off.
(f) Do this task for engine 2: Stop the Engine Procedure (Usual Engine Stop),
TASK 71-00-00-700-819-F00
1) Make sure the CAPT PITOT, L ELEV PITOT, L ALPHA VANE,TEMP PROBE, F/O
PITOT, R ELEV PITOT, R ALPHA VANE, and AUX PITOT lights on the window and
pitot heat module go on.
F. AUTO Air Data Sensor heating Operational Test - Alternative Procedure
NOTE: The alternative method does not require engines running.
SUBTASK 30-31-00-750-002
WARNING
KEEP PERSONNEL, AND EQUIPMENT AWAY FROM THE PITOT PROBES,
TOTAL AIR TEMPERATURE PROBE, AND ANGLE-OF-ATTACK VANE. THESE
COMPONENTS WILL BECOME VERY HOT. THEY CAN CAUSE INJURIES TO
PERSONNEL, AND DAMAGE TO EQUIPMENT.
(1) Make sure the PROBE HEAT A and B switches are set to the AUTO position.
(2) Do this check of the following lights on the window and pitot heat module:
(a) Make sure the CAPT PITOT, L ELEV PITOT, L ALPHA VANE,TEMP PROBE, F/O PITOT,
R ELEV PITOT, R ALPHA VANE, and AUX PITOT lights on the window and pitot heat
module go on.
(3) Test the AUTO position of the PROBE HEAT A and B switches.
(a) Do this task for DEU 1, M1808: Display Electronic Unit Removal,
TASK 31-62-21-000-801.
(b) Install an ARINC 600 breakout box, SPL-1930 in place of DEU 1.
NOTE: It is possible to perform this subtask without ARINC 600 breakout box, SPL-1930,
although use of it minimizes risk of damage to the pins.
(c) Apply a ground to pin F12 of connector D3973B.
(d) Check the following lights on the window and pitot heat module:
1) Make sure the CAPT PITOT, L ELEV PITOT, L ALPHA VANE,TEMP PROBE, F/O
PITOT, R ELEV PITOT, R ALPHA VANE, and AUX PITOT lights on the window and
pitot heat module go off.
(e) Remove the ground from pin F12 of connector D3973B.
1) Make sure the CAPT PITOT, L ELEV PITOT, L ALPHA VANE,TEMP PROBE, F/O
PITOT, R ELEV PITOT, R ALPHA VANE, and AUX PITOT lights on the window and
pitot heat module go on.
(f) Apply a ground to pin F12 of connector D3973E.
(g) Check the following lights on the window and pitot heat module:
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-31-00
Page 503
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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