航空 发表于 2011-7-15 22:32:31

ATA33章-飞机照明系统-各外部灯光、大翼扫描灯、EPSU、航行灯维护指南

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航空 发表于 2011-7-15 22:32:54

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">ATA33</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><SPAN lang=EN-US style="mso-fareast-font-family: 'Times New Roman'"><SPAN style="mso-list: Ignore"><FONT face="Times New Roman">1.<SPAN style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">各外部灯光组件的更换:</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">1.1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">各外部灯光单个故障一般都不影响飞机技术放行,但是对于只有一组航行灯的较老飞机来说,维护检查过程中要注意,发现不亮白天短停要及时修复,以免在外站被扣;</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">1.2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">随着新机的慢慢引进,外部灯光的灯源已经在慢慢改进,比如大翼扫描灯,从类似转弯灯那种改为了灯珠点光源,最近回来的</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">6697</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">6700</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">飞机也已将翼尖航行灯改为了类似</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">LED</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的几组点光源,如此等等,以后大家在维护过程中要注意区别。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">.大翼扫描灯组件更换:</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">2.1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">更换灯泡需拆掉四颗快卸螺钉,用工具拧时注意不要用力过大,因为此种螺钉只需拧动一定角度就可以拆下。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">2.2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">更换此组件较麻烦的就是要拆掉客舱侧壁板的很多东西,装饰板一般用塑料卡子固定,不能用力过大拉拽,以免撕裂装饰板,安装飞机舷窗装饰板也要小心,以免该板背面的固定卡子滑槽断裂,造成不易固定。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">2.3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">灯组件用一圈螺钉在机身外固定,拆完后从机内取下组件,安装新件时,不要忘了事先在安装面涂上封严胶,然后再装,避免可能出现的漏气和啸叫。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">3.EPSU</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的测试和更换:</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">3.1EPSU</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">属于应急设备,在紧急情况下给应急灯、应急出口标志、滑梯灯等处供电。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">3.2EPSU</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上有供自身检测的按钮,按压可测试本身是否故障,</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">EPSU</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上还有电池,如果客舱某部分的应急灯不亮,可以据此在</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">ASM</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上推断是哪个</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">EPSU</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">不好,如果它本身测试通过,考虑更换电池,很多老飞机上的</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">EPSU</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">就是因为其上的电池严重老化造成所管的灯不亮,其他情况更换</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">EPSU</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一般都能排除故障。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">4.</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">航行灯跳</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">CB</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">排故:</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">4.1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">航行灯分为一组和两组的两种情况,原理相同。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">4.2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">跳</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">CB</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">意味着短路保护,航行灯电路上比较简单,依次是</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">CB</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、开关、继电器</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">RELAY</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、组件,值得一提的是,尾白灯的变压器和组件可能由于安装位置原因设计为分开的(另外:尾白灯供电是</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">12VAC</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、大翼灯是</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">28VAC</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">4.3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">出现跳</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">CB</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">情况后,可以怀疑电路上的任何一个节点短路,可以先隔离容易接近操作的地方,比如先换或串一下继电器,不行的话断开某一边大翼组件的电插头,然后再合上看是否跳</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">CB</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">(不行再试另一边或机尾),以此类推。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">4.4</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">频闪灯跳</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">CB</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">也是同样处理方式,但频闪灯跳</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">CB </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一般是</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">PSU</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">故障所致,其位置在翼尖下面,打开一小盖板可接近,故障隔离起来比较方便。</SPAN></P>

hyfu2011 发表于 2011-7-18 01:16:00

回复 1# 航空 的帖子

辛苦辛苦,学习学习

bocome 发表于 2011-7-28 19:51:44

ATA33章-飞机照明系统-各外部灯光、大翼扫描灯、EPSU、航行灯维护指南

liujunwei3980 发表于 2014-1-27 17:11:16

thanks a lot

qq710131017 发表于 2014-8-4 00:28:07

这个不错哦,收下了

生生不息 发表于 2014-8-30 15:49:16

看似很好的,谢谢

463105550 发表于 2015-10-4 13:25:00

看看.啦啦啦啦啦啦666

wjlayt 发表于 2015-12-27 16:10:04

非常感谢         

wjlayt 发表于 2015-12-27 16:10:45

楼主 非常感谢
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