Boeing 737-600 - Subtask 30-41-00-440-001; Subtask 30-41-00-900-001; Subtask 30-41-00-840-003; Subtask 30-41-00-710-001

F. Control Cabin Window Temperature Sensor Repairs
SUBTASK 30-41-00-440-001
(1) For No. 1 window, do these steps:
(a) Open this access panel:
Number Name/Location
117A Electronic Equipment Access Door
(b) Put the applicable WNDSHLD SNSR switch(es) in the spare position.
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SUBTASK 30-41-00-900-001
(2) For No. 2 window, do the steps that follow:
(a) Disconnect the coil cord that is attached to the side window.
(b) If necessary, remove the side window (No. 2 Openable Window Removal,
TASK 56-12-11-000-801).
(c) Disconnect the wire connected to the primary sensor's D terminal located at the bottom
corner of the window.
(d) Connect the spare wire to the spare temperature sensor's D terminal.
1) Cap and stow the primary sensor's wire.
(e) Apply a layer of Dow Corning 340 heat sink compound, D50244, to the terminals with a
swab, G01659.
NOTE: The Dow Corning 340 heat sink compound, D50244, is intended to prevent
inadvertent loss of insulation between the sensor terminals and the metal frame
of the window, which can cause the window to overheat.
(f) If necessary, install the side window (No. 2 Openable Window Installation,
TASK 56-12-11-400-801).
(g) Connect the coil cord to the side window.
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SUBTASK 30-41-00-840-003
(3) Remove the safety tags and close these circuit breakers:
CAPT Electrical System Panel, P18-3
Row Col Number Name
D 2 C00225 WINDOW HEAT CONTROL LEFT SIDE AC
E 2 C00227 WINDOW HEAT CONTROL RIGHT SIDE AC
F/O Electrical System Panel, P6-11
Row Col Number Name
B 8 C00393 WINDOW HEAT POWER RIGHT SIDE
F/O Electrical System Panel, P6-12
Row Col Number Name
B 9 C00392 WINDOW HEAT POWER LEFT SIDE
SUBTASK 30-41-00-710-001
(4) Do a test on the temperature control sensor connections:
(a) Push the BIT/VERIFY switch on the window heat control unit.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-41-00
Page 802
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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