12-11-01
ALL ú ú 01A Page 304 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
~.................................................................
| TABLE 301 |
...................................................................
| | REFUEL/DEFUEL |
| EQUIPMENT OR IGNITION SOURCES |SEPARATION DISTANC E |
| | *[1] |
................................................................... |Adjacent aircraft with running engine(s) |Wing span of | |or APU |aircraft being | | |fueled | ................................................................... |Fuel service equipment . measured from |10 feet (3 meters) | |engine or exhaust system |from fuel vents | ................................................................... |Ground Power Units |20 feet (6 meters) | ................................................................... |Aircraft servicing equipment . measured |10 feet (3 meters) | |from the engine or exhaust system | | ................................................................... |Aircraft servicing equipment during an |Not under the | |overwing refuel operation |trailing edge of | | |the wing | ................................................................... |Electrical equipment that is likely to |50 feet (30 meters) | |cause arcs or sparks | | ................................................................... |Photographic equipment |10 feet (3 meters) | ................................................................... |Battery powered equipment |10 feet (3 meters) | | |from fuel servicing | | |equipment or fuel | | |spills | ................................................................... |Open flames, heat sources, lighted smoking |50 feet (15 meters) | |material, and any other potential | | |ignition sources | | ................................................................... |Electrical transmitting equipment |Reference Table 302 | 2............................................…....................1 *[1] The distance is measured from a point on the ground directly
below the fuel vents or from fueling equipment.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-11-01
ALL ú ú 01A Page 305 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 653-019 WARNING: OBEY THE SUBSEQUENT ELECTRICAL SYSTEM SEPARATION DISTANCES
_______ DURING A REFUEL OPERATION. IF YOU DO NOT OBEY THESE REQUIREMENTS A FIRE OR AN EXPLOSION CAN OCCUR.
(2) Maintain the separation distance given in Table 302.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-11-01
ALL ú ú 01A Page 306 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
~................................................................. | TABLE 302 | ................................................................... | | REFUEL/DEFUEL | | POWER (EIRP *[1]) OF EQUIPMENT |SEPARATION DISTANCE | | TRANSMITTING RADAR OR RADIO | *[2] | ................................................................... |More than 100 watts (radio or radar) |200 feet (60 meters)| ................................................................... |25 to 100 watts (radio or radar) |50 feet (30 meters) | ................................................................... |Less than 25 watts *[3] |10 feet (3 meters) | 2............................................…....................1
*[1] EIRP is effective Isotropic Radiated Power in watts. *[2] The distance is measured from a point on the ground directly below the fuel vents or from fueling equipment.
*[3] This category includes mobile phones, pagers, two-way radios, etc. There are low power intrinsically safe communication systems that are approved for use in hazardous locations. These devices can be used safely in areas that contain fuel vapor (UL 913 or or equivalent standards).
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 SERVICING 1(5)
