[Script Info]
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; http://arctime.cn/
Title: Default ASS file
ScriptType: v4.00+
WrapStyle: 2
Collisions: Normal
PlayResX: 1280
PlayResY: 720
ScaledBorderAndShadow: yes
Video Zoom Percent: 1
; ----------------------
; ArctimeTrackCount: 3
; ArctimeEncodeMethod: C
; 使用方法 C

[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
Style: Default,微软雅黑,54,&H00FFFFFF,&H00FFFFFF,&H19533B3B,&H910E0807,0,0,0,0,100.0,100.0,0.0,0.0,1,3.1,1.2,2,135,135,72,1
Style: Default-L2,微软雅黑,32,&H00FFFFFF,&H00FFFFFF,&H19533B3B,&H910E0807,0,0,0,0,100.0,100.0,0.0,0.0,1,2.5,0.0,2,135,135,35,1
Style: Default-Box,微软雅黑,54,&H00FFFFFF,&H00FFFFFF,&H41000000,&HFF000000,0,0,0,0,100.0,100.0,0.0,0.0,3,8.5,0.0,2,135,135,72,1
Style: Yahei-1280x720,微软雅黑,48,&H00FFFFFF,&H00FFFFFF,&H19533B3B,&H910E0807,0,0,0,0,100.0,100.0,0.0,0.0,1,3.1,1.2,2,135,135,72,1
Style: Yahei-1920x1080,微软雅黑,60,&H00FFFFFF,&H00FFFFFF,&H19533B3B,&H910E0807,0,0,0,0,100.0,100.0,0.0,0.0,1,4.2,1.5,2,200,200,102,1
Style: Yahai-4K,微软雅黑,120,&H00FFFFFF,&H00FFFFFF,&H16534241,&HE12E2625,0,0,0,0,100.0,100.0,0.0,0.0,1,4.5,2.5,2,200,200,110,1
Style: OneFX,楷体,54,&H00FFFE67,&H000000FF,&H00A4671B,&H914F310D,-1,-1,-1,0,100.0,120.0,0.0,10.32258,1,5.6910567,4.268293,2,10,10,80,1

[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 2,0:00:00.75,0:00:01.75,Default,,0,0,0,,{\fad(120,120)}本节内容
Dialogue: 2,0:00:01.85,0:00:07.70,Default,,0,0,0,,{\fad(120,120)}我们以丰田轿车的4GB型发动机为例来学习一下机体组的拆装
Dialogue: 2,0:00:07.97,0:00:09.05,Default,,0,0,0,,{\fad(120,120)}主要包括
Dialogue: 2,0:00:09.50,0:00:11.35,Default,,0,0,0,,{\fad(120,120)}机体组部件的拆卸
Dialogue: 2,0:00:12.25,0:00:13.92,Default,,0,0,0,,{\fad(120,120)}机体组部件的安装
Dialogue: 2,0:00:15.80,0:00:18.17,Default,,0,0,0,,{\fad(120,120)}机体组拆卸主要包括
Dialogue: 2,0:00:21.05,0:00:22.87,Default,,0,0,0,,{\fad(120,120)}气门室罩盖的拆卸
Dialogue: 2,0:00:23.57,0:00:25.37,Default,,0,0,0,,{\fad(120,120)}气缸盖的拆卸
Dialogue: 2,0:00:26.15,0:00:27.85,Default,,0,0,0,,{\fad(120,120)}和油底壳的拆卸
Dialogue: 2,0:00:30.10,0:00:31.97,Default,,0,0,0,,{\fad(120,120)}气门室罩盖的拆卸
Dialogue: 2,0:00:32.52,0:00:35.85,Default,,0,0,0,,{\fad(120,120)}拆下气门室罩盖上的火花塞及垫圈
Dialogue: 2,0:00:36.75,0:00:40.52,Default,,0,0,0,,{\fad(120,120)}用扳手分别逐渐扭松并卸下螺栓
Dialogue: 2,0:00:40.95,0:00:42.42,Default,,0,0,0,,{\fad(120,120)}拆下正时皮带
Dialogue: 2,0:00:47.35,0:00:51.32,Default,,0,0,0,,{\fad(120,120)}由两端向中间依扭松凸轮轴瓦盖螺栓
Dialogue: 2,0:00:51.77,0:00:52.95,Default,,0,0,0,,{\fad(120,120)}取下螺栓
Dialogue: 2,0:00:53.25,0:00:54.60,Default,,0,0,0,,{\fad(120,120)}气门室罩盖
Dialogue: 2,0:00:54.72,0:00:57.47,Default,,0,0,0,,{\fad(120,120)}和气门室罩盖密封衬条或衬垫
Dialogue: 2,0:00:58.12,0:00:59.62,Default,,0,0,0,,{\fad(120,120)}气缸盖的拆卸
Dialogue: 2,0:01:00.45,0:01:02.42,Default,,0,0,0,,{\fad(120,120)}为避免气缸盖变形
Dialogue: 2,0:01:02.62,0:01:04.05,Default,,0,0,0,,{\fad(120,120)}拆卸气缸盖时
Dialogue: 2,0:01:04.20,0:01:07.87,Default,,0,0,0,,{\fad(120,120)}用扭力扳手按先两侧后中间的原则
Dialogue: 2,0:01:08.12,0:01:11.32,Default,,0,0,0,,{\fad(120,120)}均匀对称分三次拧下气缸盖螺栓
Dialogue: 2,0:01:11.72,0:01:14.60,Default,,0,0,0,,{\fad(120,120)}拆下后的螺栓应放置有序
Dialogue: 2,0:01:14.92,0:01:18.45,Default,,0,0,0,,{\fad(120,120)}用橡胶锤轻轻敲击气缸盖两侧边缘
Dialogue: 2,0:01:18.65,0:01:20.52,Default,,0,0,0,,{\fad(120,120)}即非工作表面位置
Dialogue: 2,0:01:20.82,0:01:23.52,Default,,0,0,0,,{\fad(120,120)}使气缸盖松动然后取下
Dialogue: 2,0:01:26.32,0:01:27.82,Default,,0,0,0,,{\fad(120,120)}气缸盖取下后
Dialogue: 2,0:01:27.82,0:01:30.42,Default,,0,0,0,,{\fad(120,120)}应平放在工作台或零件架上
Dialogue: 2,0:01:30.42,0:01:31.72,Default,,0,0,0,,{\fad(120,120)}取下气缸垫
Dialogue: 2,0:01:31.72,0:01:34.07,Default,,0,0,0,,{\fad(120,120)}注意观察气缸垫的安装方向
Dialogue: 2,0:01:42.86,0:01:44.22,Default,,0,0,0,,{\fad(120,120)}油底壳的拆卸
Dialogue: 2,0:01:44.85,0:01:46.36,Default,,0,0,0,,{\fad(120,120)}先将机油放干净
Dialogue: 2,0:01:46.81,0:01:48.96,Default,,0,0,0,,{\fad(120,120)}再将油底壳上的六角螺栓
Dialogue: 2,0:01:49.06,0:01:51.73,Default,,0,0,0,,{\fad(120,120)}按照由两边到中间对角方式
Dialogue: 2,0:01:52.03,0:01:53.73,Default,,0,0,0,,{\fad(120,120)}先拧松再拆卸
Dialogue: 2,0:01:54.19,0:01:56.30,Default,,0,0,0,,{\fad(120,120)}最后取下油底壳及垫圈
Dialogue: 2,0:02:00.63,0:02:02.37,Default,,0,0,0,,{\fad(120,120)}机体组部件的安装
Dialogue: 2,0:02:03.66,0:02:04.96,Default,,0,0,0,,{\fad(120,120)}气缸盖的安装
Dialogue: 2,0:02:04.96,0:02:06.68,Default,,0,0,0,,{\fad(120,120)}在安装气缸盖之前
Dialogue: 2,0:02:06.68,0:02:09.80,Default,,0,0,0,,{\fad(120,120)}要将曲轴转动到第一缸的上止点位置
Dialogue: 2,0:02:14.10,0:02:15.87,Default,,0,0,0,,{\fad(120,120)}安装气缸盖衬垫时
Dialogue: 2,0:02:16.12,0:02:19.62,Default,,0,0,0,,{\fad(120,120)}有标号或配件号的一面朝向气缸盖
Dialogue: 2,0:02:26.38,0:02:28.53,Default,,0,0,0,,{\fad(120,120)}更换新的气缸盖紧固螺栓
Dialogue: 2,0:02:32.50,0:02:36.01,Default,,0,0,0,,{\fad(120,120)}按照由中间向两边均匀对称的顺序
Dialogue: 2,0:02:36.01,0:02:37.47,Default,,0,0,0,,{\fad(120,120)}分四次拧紧
Dialogue: 2,0:02:38.16,0:02:40.26,Default,,0,0,0,,{\fad(120,120)}第一次40N·m
Dialogue: 2,0:02:40.49,0:02:42.60,Default,,0,0,0,,{\fad(120,120)}第二次60N·m
Dialogue: 2,0:02:43.39,0:02:48.03,Default,,0,0,0,,{\fad(120,120)}第三次75N·m的力矩拧紧气缸盖螺栓
Dialogue: 2,0:02:48.47,0:02:51.35,Default,,0,0,0,,{\fad(120,120)}然后再用扳手再拧紧90°
Dialogue: 2,0:02:51.50,0:02:52.88,Default,,0,0,0,,{\fad(120,120)}安装凸轮轴
Dialogue: 2,0:02:55.00,0:02:55.96,Default,,0,0,0,,{\fad(120,120)}正时皮带
Dialogue: 2,0:03:04.64,0:03:06.18,Default,,0,0,0,,{\fad(120,120)}气门室罩盖的安装
Dialogue: 2,0:03:06.18,0:03:09.59,Default,,0,0,0,,{\fad(120,120)}清理气门室罩盖边缘和气缸盖平面
Dialogue: 2,0:03:10.00,0:03:11.03,Default,,0,0,0,,{\fad(120,120)}更换密封垫
Dialogue: 2,0:03:21.15,0:03:23.15,Default,,0,0,0,,{\fad(120,120)}拧紧气门室罩盖螺栓
Dialogue: 2,0:03:23.52,0:03:25.34,Default,,0,0,0,,{\fad(120,120)}安装火花塞及垫圈
Dialogue: 2,0:03:40.03,0:03:41.21,Default,,0,0,0,,{\fad(120,120)}油底壳的安装
Dialogue: 2,0:03:42.45,0:03:44.79,Default,,0,0,0,,{\fad(120,120)}清洁油底壳和气缸体的端面
Dialogue: 2,0:03:50.59,0:03:52.59,Default,,0,0,0,,{\fad(120,120)}更换新的油底壳垫圈
Dialogue: 2,0:03:55.54,0:03:57.78,Default,,0,0,0,,{\fad(120,120)}按照由中间向两边的次序
Dialogue: 2,0:03:57.78,0:03:59.33,Default,,0,0,0,,{\fad(120,120)}逐次扭紧螺栓
Dialogue: 2,0:04:07.43,0:04:09.24,Default,,0,0,0,,{\fad(120,120)}通过本次内容的学习
Dialogue: 2,0:04:09.24,0:04:10.43,Default,,0,0,0,,{\fad(120,120)}我们主要了解了
Dialogue: 2,0:04:11.05,0:04:12.91,Default,,0,0,0,,{\fad(120,120)}机体组部件的拆卸
Dialogue: 2,0:04:13.09,0:04:14.97,Default,,0,0,0,,{\fad(120,120)}机体组部件的安装