E. Expendables/Parts
AMM Item Description AIPC Reference AIPC Effectivity
5 Oxygen sensor 47-42-03-01-050 ILF 402, 451, 452, 503,
504, 508-510, 514, 516,
523-528, 541, 568, 569,
573-577, 581, 583, 585,
588-590, 592-599,
601-603, 606, 607,
610-615, 620, 625-627,
691-699, 832-835, 838,
854, 856, 971, 980-999
F. Location Zones
Zone Area
131 Center Section Wing Box, Body Station 540.00 to Body Station 663.75 - Left
211 Flight Compartment - Left
212 Flight Compartment - Right
G. Access Panels
Number Name/Location
192BL ECS Ram Air Inlet Mixing Duct Panel - Forward
H. Oxygen Sensor Installation Procedure
SUBTASK 47-42-03-430-001
CAUTION
KEEP THE OXYGEN SENSOR AND THE INLET TUBE CLEAN AND FREE OF
CONTAMINATION. CONTAMINATION CAN CAUSE DAMAGE TO THE
OXYGEN SENSOR.
(1) Put the oxygen sensor [5] on the mounting frame and install the three screws [1] and
washers [7].
SUBTASK 47-42-03-110-001
WARNING
DO NOT GET ISOPROPYL ALCOHOL IN YOUR MOUTH, EYES, OR ON YOUR
SKIN. DO NOT BREATHE THE FUMES FROM THE ISOPROPYL ALCOHOL.
KEEP THE ISOPROPYL ALCOHOL AWAY FROM SPARKS, FLAME, AND HEAT.
ISOPROPYL ALCOHOL IS POISONOUS AND FLAMMABLE, WHICH CAN
CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) Clean the inlet fitting of the oxygen sensor [5] and the inlet tube (internally and externally as it
is practical) with a clean cotton wiper, G00034, wet with alcohol, B00130.
SUBTASK 47-42-03-160-001
WARNING
BEFORE YOU USE COMPRESSED AIR, PUT ON GOGGLES FOR EYE
PROTECTION. DO NOT POINT THE NOZZLE AT OTHER PERSONNEL. IF
YOU DO NOT OBEY THESE PRECAUTIONS, INJURIES TO PERSONNEL
CAN OCCUR.
(3) Blow nitrogen, G00018, to fully dry the inlet fitting of the oxygen sensor [5] and the inlet tube.
(a) Make sure that the oxygen sensor [5] and the inlet tube are free from alcohol residue and
contamination.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-42-03
Page 407
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 402, 452, 509, 510, 523, 525-528, 568, 569, 576, 577, 581, 583, 585, 588-590,
592-599, 601-603, 606, 607, 610-615, 620, 625-627, 691-699, 833-835, 838, 971, 980-999;
ILF 101, 151, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 405,
406, 409, 410, 412, 416, 424, 425, 427-429, 451, 501-504, 507, 508, 512-514, 516, 518,
524, 531-533, 535-537, 541, 542, 552-556, 560-562, 567, 571-575, 671, 672, 686, 703,
707-710, 803-813, 821, 822, 831, 832, 836, 837, 841, 842, 851, 852, 854-858, 861-863,
871-874, 947, 948, 968-970, 972, 973 POST SB 737-47-1003
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