757 AMM 飞机维护手册 时间限制/维护检查(40)

曝光台 注意防骗 网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者

 (8)  Make sure that all of the pitot static system is there and it is leak tested (Ref 34-11-00).
 S 862-010
 WARNING: OBEY THE CODES FOR COMPRESSION AND DECOMPRESSION WHEN YOU USE
_______ PERSONS IN A PRESSURIZED AREA. ALSO, FOLLOW THE STANDARDS OF SAFETY FOR COMPRESSED AIR WORK. PRESSURE CHANGES THAT CAUSE PAIN MUST NOT BE DONE. IF YOU DO NOT OBEY THE PRECAUTIONS, INJURY TO PERSONS CAN OCCUR.
 (9)  Remove all persons from the airplane that are not necessary to do the test.
 NOTE: If some persons stay on the airplane for the test, read the
____
 first General paragraph again.

 S 862-011
 (10) Close and latch all doors and hatches which must hold pressure.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 05-51-24
 ú  ALL  ú
 ú ú  ú 01.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.  Page 207Sep 28/02 

A

757
MAINTENANCE MANUAL

 S 212-071
 CAUTION:_______ MAKE SURE THAT YOU REMOVE POWER TO ALL PROPELLER OR IMPELLER
 TYPE FANS (EXCEPT EQUIPMENT COOLING FANS) WITHIN THE
 PRESSURIZED CABIN IF THE PRESSURE WILL EXCEED 15.7 PSIA.
 PRESSURE GREATER THAN 15.7 PSIA CAN CAUSE THE FAN TO WORK TOO
 HARD AND OVERHEAT.  THIS CAN CAUSE DAMAGE TO THE FAN.
 CAUTION:_______ DISABLING THE WARNING HORN REDUCES THE FAILURE INDICATION OF
 THE FORWARD ELECTRICAL EQUIPMENT COOLING FAN TO THE " EQPT
 OVHT" LIGHT AND "EQPT OVHT" MESSAGE.  ENSURE THE NOTE PROVIDED
 IN SECTION THAT CONCERNS POTENTIAL OVERHEAT FO THE FORWARD
 ELECTRICAL EQUIPMENT COOLING SUPPLY FANS IS ADHERED TO.
 PRESSURIZED CABIN IF THE PRESSURE WILL EXCEED 15.7 PSIA.
 PRESSURE GREATER THAN 15.7 PSIA CAN CAUSE THE FAN TO WORK TOO
 HARD AND OVERHEAT.  THIS CAN CAUSE DAMAGE TO THE FAN.
 CAUTION:_______ TO PROTECT LRU DAMAGE, LIMIT THE TIME THE LEFT RECIRCULATION
 FAN IS OFF TO 30 MINUTES AND TURN WEATHER RADAR OFF.  FAILURE
 TO FOLLOW THESE INSTRUCTIONS CAN LEAD TO DAMAGE TO ELECTRICAL
 EQUIPMENT.

 (11)
 Open the circuit breakers listed below to inactivate the ground warning horn from sounding when the left recirulation fan is turned off.

 S 212-069

 (12)
 Make sure that the following circuit breaker on the panel, P11, is open:

 (a)  
11C20 Equip Cooling Smoke Det Cont - Overboard Exhaust Valve (if installed) (AMM 21-58-05/401) .

 (b)  
11N13, EQUIP COOLING LOW FLOW DET.

 (c)  
6D6, EQUIP COOL GND WARN AND TEST.

 

 S 212-072
 (13)
 Set the left recirculating fan switch to on.

 S 862-048

 (14)
 Set the right recirculating fan switch to off.

 NOTE: The 11C20 circuit breaker must be closed prior to turning off
 the left recirculating fan in order to pressurize the airplane.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 05-51-24
 ú  ALL  ú
 ú ú  ú 01.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.  Page 208Sep 28/02 

A
757 MAINTENANCE MANUAL
 E. Procedure
 S 792-012
 (1)  Do the Leakage Test.
 (a)  Start the APU, and use it as a pressure source (Ref 49-11-00).
 NOTE: If it is necessary, a pneumatic service cart can be
____
 used.

 (b)  
Turn the L and the R Pack Control Selectors on the panel, P5, to AUTO. 1) Operate the zone selectors in AUTO at approximately 75°F

 (12 o'clock position) (AMM 21-51-00/601).

 (c)  
After the air conditioning system has become stable, move the MANUAL Cabin Altitude Control switch on the panel, P5, to DESCEND. 1) This will close the outflow valve.

 WARNING: DO NOT INCREASE PRESSURE MORE THAN 1000 FEET A MINUTE (0.5
_______ PSI A MINUTE). IF YOU INCREASE THE PRESSURE MORE THAN 1000 FEET A MINUTE (0.5 PSI A MINUTE), INJURY TO PERSONS OR DAMAGE TO THE AIRPLANE STRUCTURE CAN OCCUR.
　
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：757 AMM 飞机维护手册 时间限制/维护检查(40)