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C. Access (1) Location Zones 201/202 Control Cabin
D. Prepare for a Compass Swing of the Standby Compass NOTE: Ferromagnetic parts installed near the standby compass can cause ____ compass heading errors. Make sure no ferromagnetic parts are near the captain's and the first officer's window frames. If found, replace the parts with non-magnetic, corrosion-resistant steel (CRES) parts. S 582-032 (1) Tow the airplane to the compass swing area (AMM 9-10-00/201). NOTE: The compass swing area must be a level area with a smooth ____ surface. It must be sufficiently strong to hold the weight of the airplane. The area must be large enough to tow or taxi the airplane. Make sure all vehicles other than the tow vehicle are not less than 220 feet from the airplane. The horizontal component of the earth's magnetic field must be constant (|1 degree) in the test area. Measure the horizontal component if magnetic material (such as a new building) is less than 600 feet from the compass rose. Do not use the compass rose if the horizontal component is not constant (|1 degree). S 582-124 (2) An alternate swing procedure when a compass rose or an approved swing site is not available is: position the airplane on a ramp line having a known magnetic heading and continue with standby compass adjustment/test as follows. NOTE: When accomplishing the alternate swing procedure, the ____ airplane indicators (HSI or ND) are used to align the airplane to the headings required to accomplish swing procedure. For airplanes equipped with AHRS, place the compass selector switch in the NORM position. For airplanes equipped with IRS, alignment of the IRS will need to be accomplished before starting swing procedure. Make sure the heading displayed on the airplane indicators (HSI or ND) is within 2 degrees of ramp line used to align airplane for alternate swing procedure. EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
ALL ú ú 03 Page 203 ú Nov 12/01 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 737-300/400/500MAINTENANCE MANUAL S 862-070 (3) Supply the electrical power (AMM 24-22-00/201). S 862-033 (4) Energize all of the electronic equipment, radios, and control cabin lighting for the usual conditions that occur in flight. NOTE:____ Do not energize these systems:
Engine Ignition Air Conditioning Packs Fuel Dump Valves Pitot Heat Fire Extinguishers Window Heat AOA Heat Hydraulic System B. Pumps S 862-068 (5) Align the IRS to the NAV mode (AMM 34-28-00/501).
(6) Align the IRS to the NAV mode (AMM 34-28-01/501).
S 862-066 WARNING: MAKE SURE THAT THE GROUND LOCKS ARE INSTALLED IN ALL OF THE _______ LANDING GEAR. WITHOUT THE GROUND LOCKS, THE LANDING GEAR CAN RETRACT AND CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT. (7) Make sure the ground locks are installed in the nose and main landing gear (AMM 32-00-01/201). S 862-143 WARNING: DO NOT MOVE THE LANDING GEAR LEVER WHILE YOU ENERGIZE THE LEVER _______ LATCH SOLENOID. IF YOU MOVE THE LANDING GEAR LEVER, THE LANDING GEAR COULD RETRACT. (8) Energize the lever latch solenoid for not less than 20 minutes before you continue with the test.
(9) Put a mild steel slug against the sensitive surface of the air safety sensor.
NOTE: The air safety sensor is located in the RH main wheel well ____ (AMM 32-09-01/401). This will energize the lever latch solenoid for the landing gear. EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
ALL ú ú 03 Page 204 ú Nov 12/01 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 737-300/400/500MAINTENANCE MANUAL S 862-037 (10) AIRPLANES WITH EFIS; Set the mode selector on the EFIS control panels to VOR/ILS (AMM 34-22-00/501).
(11) AIRPLANES WITHOUT EFIS; Set the HSI transfer switches to VOR/ILS (AMM 34-31-00/501). www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300 400 500 AMM 飞机维护手册 导航 NAVIGATION 2
