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驾驶舱风挡玻璃检查 标准 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 概述(AMM56-11-00P1) v共有十块风挡玻璃,八块固定 ,两块滑动,均为层叠结构设 计。 v压力封严:防止玻璃漏气, NO.1、3、4、5风挡玻璃是固 定的,NO.2风挡玻璃是活动可 更换的。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 概述(AMM56-11-00P1) v动力平滑胶:气动平滑、防止水汽 进入。机械日常维护就是补胶,保 持状态良好。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 概述(AMM56-11-00P1) vNO.1、2、4、5风挡需加温以防冰 、除雾。NO.1、2风挡的导电膜在 外层与中层之间防冰、除雾, NO.4、5风挡的导电膜在中层与内 层之间除雾。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 概述(AMM56-11-00P1) vNO.1、2风挡,大于等于 114F(46C),加温断开;小于等 于100F(38C),加温接通。NO.4 、5风挡,大于等于120F(49C), 加温断开;小于等于80F(27C), 加温接通。大于145F(62C), OVERHEAT灯亮。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. v制造厂家:有PPG、TROPLEX、 SIERRACIN等三个厂家,其风挡 可互换、混装。我公司飞机基本上 选装的是PPG的风挡。 v根据设计,风挡玻璃在加温或不加 温时均能承受飞鸟撞击。 概述(AMM56-11-00P1) Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. v外层:不承受结构力,只提供刚度、硬度,防划 伤、防鸟击等。 v温度变化时,各层的伸缩性不一样,层间有较大 的拉力,易使内层玻璃起碎片,中层裂纹,尤其 是在边缘。因此,层间加有一薄层润滑层,以便 层间伸缩时滑动。一些风挡在边缘或全部层间有 软材料,在主结构层受拉时可以挠曲。 v外层(或内层)内表面有导电膜,允许电加温防 冰、除雾。 概述(AMM56-11-00P1) Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第二部分 维护实施 v参见AMM56-11-00P201。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第二部分 维护实施 v检查动力平滑胶:损坏,丢失,未与玻璃搭 接,或胶未粘在玻璃上。如果有以上情况, 应补胶。 v可以用不尖锐的铅笔来检查胶与玻璃的粘结 强度。用铅笔的木头端向离开玻璃方向轻推 平滑胶,如胶与玻璃有缝隙,则表明胶未粘 结在玻璃上。推的力绝不能大,否则会损坏 本来良好的粘结。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第二部分 维护实施 v风挡的可视性很重要,即使损坏未超标,但 可视性差,仍应更换风挡。 v分层是指玻璃从乙烯树脂层分离开。这种分 层很难发现,除非斜着看,且不直对着光线 。分层区域通常看起来很平,周边可能有些 变形。分层通常发生在风挡边缘,不加温的 地方。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第二部分 维护实施 v中层乙烯树脂(VINYL)层上气泡不是分层,也没有 结构危险,当VINYL变得很热时(约230),VINYL 会解析分离出气体,导致小气泡。除非气泡持续 变大或影响可视性,没必要更换风挡。出现这样 的情况,可能是风挡加温控制系统不好,应按 AMM304100P501进行检查。 v注意:如果气泡持续越来越大,脱开P6板上的风 挡加温跳开关,一直到发现故障原因。加温不好 会损坏玻璃。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第二部分 维护实施 vCHIP指剥落或玻璃表面起碎片,通常出现在非加 热区域层间表面。风挡内部的高应力是产生CHIP 的主要原因。在内、外层玻璃外表面,若被硬物 撞击,也会出现CHIP。CHIPS看起来很粗糙,易 于发现,且可视性不好。有两种类型的CHIPS: 贝壳状CHIP通常是圆形或弧形,轮廓边缘有很多 细沟;V形CHIP是尖的,狭窄的,似乎看起来像 进入玻璃的内层。CHIPS很少出现在回火处理过 的玻璃上。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第二部分 维护实施 v内层玻璃是主要的结构承力件。因为玻璃进 行过回火处理,两侧表面都处在压缩状态。 两侧表面上的划伤和CHIPS会导致应力集中 ;损伤太深时,会使风挡失效。标准内的贝 壳状CHIPS是允许的;V形CHIPS可能越来 越大,因此一经发现必须更换玻璃! Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第二部分 维护实施 v乙烯树脂VINYL裂纹并非是完全断开 ,但平行于裂纹面看,裂纹是有一定 的宽度的,相对于风挡表面,裂纹可 以以任何角度出现,裂纹的方向依赖 于施加的力的方向。划伤或发裂(毛细 裂纹)产生的应力可以导致裂纹的产生 。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第二部分 维护实施 v很难说,风挡会怎样变化。看起来状态良好 的风挡会突然失效,但有划伤、CHIPS、分 层的风挡在失效前可能用很长时间,所以很 难制定一个风挡更换的统一标准。对每一个 风挡必须单独对待。使用经验尤为重要,当 你决定是否更换风挡时,这些知识可以作为 参考。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 vNO.1风挡 v 参考:MM56-11-11P601 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v风挡内、外表面上下角可能有 0.08”(2MM)直径的钳痕,距外层玻璃 边缘小于0.5”英寸(12.5MM)的钳痕是 允许的。钳痕是在制造过程中产生的 。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v外层玻璃上存在下述情况,需更换风 挡: 裂纹、分层、CHIPS若是导致可视性 下降,则换风挡。 断续工作,使加温系统不正常。 电弧、电路断路或裂纹使主加温系统 不正常。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v注意:请参考B737飞行手册关于驾驶 舱风挡玻璃加温要求的限制部分。外 层玻璃是非结构件。如果是因为外层 玻璃损伤导致风挡的加温和可视性不 满足要求,需更换该风挡,则可以延 迟至最近的定检更换。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 内层玻璃上存在下述情况,需更 换风挡: v裂纹。 v划伤超过0.015”(0.38MM)深。 v两侧表面上的贝壳状裂纹,深 度超过0.015”. vV形CHIPS。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 中层且存在下述情况,需更换风挡。 v孤立形(孤岛形)分层,直径大于0.75”,且距最 近的边缘距离大于2”。 v超过下图(AMM56-11-11)限制的边缘连续分 层。 v不清晰分层。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v注意:不清晰分层指玻璃与VINYL层之间有 雾气,这会导致使用加温时出现电弧,从而 产生外层玻璃的裂纹。 v如果能保证没有裂纹,那么因为不清晰分层 不影响结构强度,两英寸的非可视关键区域 的分层是允许的,可以在下次定检更换风挡 。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 vNO.2风挡(参见AMM56-12- 11P601)。 v注意:若存在下述情况,更换风挡 。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v检查外层玻璃 v注意:风挡内、外表面上下角可能有 0.08”(2MM)直径的钳痕,距外层玻璃 边缘小于0.5”英寸(12.5MM)的钳痕是 允许的。钳痕是在制造过程中产生的 。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v裂纹、CHIPS和分层等影响了可 视性。 v裂纹、CHIPS、分层或断续性工 作等影响了NO.2风挡加温系统的 工作。 v电弧、断路或裂纹影响了主风挡加 温系统的工作。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v检查内层玻璃 裂纹。 深度超过0.015”的划伤。 表面的贝壳状CHIPS,深度超过 0.015”。 V形CHIPS。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v检查中层乙烯树脂VINYL层的 裂纹 v注意:NO.2风挡前上角延伸至透 光区域0.5”的裂纹是允许的(图 602)。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v检查中层VINYL层的龟裂 v注意:龟裂是指仅在氨基甲酸乙酯层 的一个接一个的很多小裂纹。龟裂出 现在风挡边缘靠近窗框处。龟裂区域 可能呈淡黄色。如果龟裂仅在氨基甲 酸乙酯层中,不需要换风挡,因为氨 基甲酸乙酯层不是结构承力件。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v检查分层 v注意:分层是指玻璃层从相邻中层分 离开。分层区域可以是很清晰的,但 如果水汽进入的话,则会成雾状。分 层可能影响到电加温除冰系统。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v分层不会导致风挡结构特性的降低, 因此,当你发现必须更换风挡时,用 分层限制作为辅助依据。如果可视性 满足要求,分层限制可以放宽。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v直径为0.75”或更大的孤立形( 孤岛形)分层距最近的风挡边缘 大于等于2.5”。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v分层成雾状 v注意:雾状分层表明在玻璃层 与乙烯树脂VINYL层之间有水 汽。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 vNO.3风挡(AMM56-12- 21P601) Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v (一). 总则 风挡可视性不好,必须更换。 风挡的各种损伤定义。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v检查内、外玻璃是否有裂纹 。 注:在螺杆孔和窗边缘之间出现的裂纹是 允 许的 。 v如发现两层玻璃上有裂纹,不要给飞机增压, 直到修理或更换玻璃之后为止 ; v如发现内表玻璃上有裂纹,不要给飞机增压, 直至修理或更换玻璃之后为止(参考 56-11-21/401) 。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. v目视检查内层玻璃前上角处的通风孔对面的 外层玻璃 。 注:在此处有污迹说明外窗玻璃不能保持压 力。给飞机增压并测试窗户有无渗漏。 如 果有渗漏,则更换此玻璃。 第三部分 检查/检验 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. v检查窗户是否有划痕 v在外聚丙稀酸纤维玻璃上的划痕是否超过规定 极限 ; v在内玻璃上的划痕是否超过规定的极限 ; v对较浅的划痕进行抛光,(参考56-11-21-801) 注:不必抛光0.001英寸或更小的刻痕,因为 这 些刻痕无关紧要。 第三部分 检查/检验 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v还需检查玻璃的以下内容: v是否有龟裂 ; v是否有碎裂(chips ) ; v是否有分层 。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 vNO.4风挡 v 检查和更换有以下情况的 NO.4风挡 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v1. 内层玻璃层: v两侧表面上有贝壳状CHIPS,深度大于0.015” 。 vV形CHIPS。 v电弧、CHIPS、分层或断续性工作导致NO.4风 挡加热系统不工作。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v2. 检查外层玻璃层: v裂纹、CHIPS、分层等导致可视性降低。 注意:NO.4风挡由于外层玻璃损伤的更 换由可视性决定,可以推迟至最 近 的定检更换。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 第三部分 检查/检验 v 3. 检查NO.4风挡分层: v从边缘向中央超过1”的外层玻璃分层。 v外层玻璃分层影响了风挡的可视性。 v注意:分层是指玻璃从相邻层分离开,分层可能影 响风挡加温系统。 v分层不改变风挡的结构强度,因此分层限制仅仅是 风挡更换辅助标准。如果可视性满足要求,分层限 制可以放宽。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 200

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