TASK 30-42-31-820-802
5. Windshield Wiper Arm Position Check/Adjustment
(Figure 201)
A. General
(1) This procedure adjusts the position of the wiper arm sweep on the windshield.
(2) This procedure must be completed after an installation of a wiper arm.
B. References
Reference Title
24-22-00-860-813 Supply External Power (P/B 201)
C. Location Zones
Zone Area
211 Flight Compartment - Left
212 Flight Compartment - Right
D. Procedure
SUBTASK 30-42-31-860-010
(1) Do this task: Supply External Power, TASK 24-22-00-860-813.
SUBTASK 30-42-31-860-011
WARNING
BEFORE YOU DO MAINTENANCE ON THE WINDSHIELD WIPER SYSTEM,
OPEN THE WINDOW HEAT CIRCUIT BREAKERS. IF THESE CIRCUIT
BREAKERS ARE NOT OPEN DURING MAINTENANCE, PERSONS CAN GET
AN ELECTRICAL SHOCK WHEN THEY TOUCH THE WINDOW.
(2) Open these circuit breakers and install safety tags:
CAPT Electrical System Panel, P18-3
Row Col Number Name
C 1 C00523 HEATERS CAPT PITOT
D 1 C00226 WINDOW HEAT CONTROL RIGHT FRONT AC
D 2 C00225 WINDOW HEAT CONTROL LEFT SIDE AC
D 5 C00525 HEATERS F/O PITOT
D 6 C00524 HEATERS AUX PITOT
E 1 C00224 WINDOW HEAT CONTROL LEFT FRONT AC
E 2 C00227 WINDOW HEAT CONTROL RIGHT SIDE AC
F/O Electrical System Panel, P6-11
Row Col Number Name
ILF 568, 583, 588, 592-596, 671, 672, 832, 836, 837, 841, 842, 968-970, 972, 973, 980-999
B 7 C01650 WINDOW HEAT POWER L3
ILF 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 424, 425, 427-429, 507, 533, 535, 537,
556, 557
B 7 C00229 WINDOW HEAT POWER L3, L4 & L5
ILF 502, 503, 514, 524, 707-710; ILF 101, 156-199, 409, 410, 412, 416, 451, 501, 504, 508, 513, 515,
516, 518, 531, 532, 536, 541, 542, 552, 571, 572, 574, 576, 803-813, 821, 822, 831, 854-856, 861-863,
871-873 PRE SB 737-56-1017
B 7 C00229 WINDOW HEAT POWER L4 & L5
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-42-31
Page 217
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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