747-400 AMM 飞机维护手册 限制/维护检查(45)

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

 C.  Battery electrolytes can overflow during battery charging, or leak when the battery is serviced.
 D.  Contamination occurs at times and the acid must be made neutral before corrosion damage can occur.
 E.  Electrolyte contamination, unless you make it neutral, can quickly corrode a metalic structure.
 F.  Electrolyte can cause damage to materials such as fabrics, wood, leather, and other non-metalic materials.
 (1)  Electrolyte contamination can cause discoloration on the surface it touches.
 TASK 05-51-15-112-001
 2.  Lead Acid Battery Contamination
 A.  Standard Tools and Equipment
 (1)  
Rubber or plastic gloves

 (2)  
G02057 Goggles - Safety

 (3)  
Face shield

 (4)  
Aprons

 (5)  
Boots

 (6)  
Head gear

 B.  Consumable Materials
 (1)  
B00334 - Bicarbonate of Soda

 (2)  
B00095 Chemical - Sodium Bicarbonate (O-S-576)

 C.  Procedure
 S 942-002
 WARNING: DO NOT GET BATTERY ELECTROLYTE (ACID) IN YOUR MOUTH, YOUR EYES,
_______ OR ON YOUR SKIN. DO NOT BREATH THE FUMES FROM THE BATTERY ELECTROLYTE. PUT ON PROTECTIVE SPLASH GOGGLES AND GLOVES WHEN YOU CLEAN UP THE BATTERY ELECTROLYTE CONTAMINATION. KEEP THE FUMES FROM SPARKS, FLAMES, AND TEMPERATURES ABOVE THE FLASHPOINT. BATTERY ELECTROLYTE IS A POISONOUS AND FLAMMABLE MATERIAL WHICH CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 05-51-15
 ALL  ú ú 01 Page 201 ú Jun 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (1)  You must do the safety steps that follow when lead acid contamination or leakage is found.
 (a)  
Do not let the acid leakage move to adjacent areas which will not be cleaned.

 (b)  
In the battery areas, protect the equipment below the batteries with plastic sheets.

 (c)  
Make sure the area is vented.

 (d)  
Use protective covers to prevent contamination of adjacent areas with acids or the solution to make the acid neutral.

 (e)  
You must always wear protective clothing when you clean up acid contamination.

 S 112-003
 (2)  Do the steps that follow to clean-up the battery electrolyte contamination:
 (a)  
Soak up the excess fluids with a cloth.

 (b)  
Neutralize the contaminated area with a 20 percent sodium bicarbonate solution.

 NOTE: One pound of sodium bicarbonate mixed into one gallon of
____ water will make the necessary solution.
 (c)  Apply the solution with a cloth, mop, brush, or sponge.
 NOTE: Do not put the sodium bicarbonate solution into the
____
 battery.

 1)  Make sure the solution goes into the contaminated faying surface joints.
 NOTE: A pressure application of the solution can be
____ necessary to flush the faying surface joints and some access areas fully.
 2)  Apply the solution until the bubbling of the acid/solution stops.
 NOTE: When the bubbling stops, the acid has become
____
 neutral.

 a)  Let the solution stay on the surface for 5 minutes more after the bubbles stop.
 (d)  Remove the solution with a mop or sponge.
 1)  Discard the contaminated clean-up materials into a plastic container.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 05-51-15
 ALL  ú ú 01 Page 202 ú Oct 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (e) Flush the area with large quantities of clean water.
 NOTE: A pressure application of water to the solution can be
____ necessary to flush the faying surface joints and some access areas fully.
 1) Rub the surface with a soft brush.
 (f)  
Do a test of the cleaned area with litmus paper.

 (g)  
　
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：747-400 AMM 飞机维护手册 限制/维护检查(45)