Cylinder Liner Projection
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可接受的缸套凸出量尺寸 - 362-8264 缸盖密封垫 | ||
零件 | 尺寸 | 值 |
454-9920 缸套法兰 | |
Z |
519-7297 垫板 | |
X |
144-5692 板垫片 | |
Y |
允许凸出量 | |
参考: 有关再使用和/或修补缸体的更多信息,请参阅再使用和修补指南, "3500 发动机缸体顶部平台的修补步骤"。
使用此步骤检查缸套凸出缸体和装入缸体的尺寸。
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所需工具 | |||
---|---|---|---|
零件号 | 零件名称 | 数量 | |
1U-9895 | 十字挡块 | 1 | |
3H-0465 | 推拉工具盘 | 2 | |
8F-6123 | 螺栓(3/4-16 螺纹, |
2 | |
3B-1925 | 垫圈 (铜) | 4 | |
1A-0075 | 螺栓(3/4-16 螺纹, |
4 | |
8T-0455 | 缸套凸出量工具总成 | 1 | |
6V-7059 | 千分尺 | 1 |
要检查缸套自缸体的凸出量,确保测量前下述各表面清洁:
- 缸套法兰
- 间隔板
- 隔板密封垫
要检查已安装缸套的凸出量,确保测量前下述各表面清洁:
- 缸体顶面
- 缸套孔
- 缸套法兰
- 隔板
- 隔板密封垫
- 使用 6V-7059 千分尺来测量以下几项的厚度:
- (X) 隔板
- (Y) 隔板垫圈
- (Z) 缸套凸缘
注: 为了确定缸套凸出量,用缸套凸缘的厚度减去隔板和垫圈的厚度。
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图 1 | g02247495 |
- 在缸体上安装新的密封垫和隔板 (5)。
- 在不装密封或止水填充带的情况下把缸套安装到缸体内。
- 按照以下步骤把隔板 (5) 和缸套固定到位:
- 使用 8T-0455 缸套凸出量工具总成 (6) 来测量缸套凸出量。
- 将 1P-2403 千分表 (2) 安装到 1P-2402 仪表体 (3) 上。 使用 1P-5507 仪表缸体后部将千分表 (2) 归零。
- 请参阅表 1,了解缸套凸出量的正确值。
- 在等距的4点读取缸套凸缘外侧的测量值。 不要在凸缘内侧读取测量值。 各缸套周围四个位置处的最大测量值与最小测量值之间允许的最大差值为
0.05 mm (0.002 inch) 。 同一缸套上四个测量值之间的最大允许差值不得超过 。0.05 mm (0.002 inch)
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图 2 | g01192749 |
缸套凸出量的测量 (1) 3H-0465 推拉工具盘 (2) 1P-2403 千分表 (3) 1P-2402 仪表体 (4) 1A-0075 螺栓和 3B-1925 垫圈 (铜质) (5) 间隔板 (6) 1U-9895 十字挡块 |
注: 如果缸套凸出量仍然不在规格范围内,将该缸套转动到缸筒内的另外一个位置。 再次测量凸出量。 如果缸套凸出量仍然不在规格范围内,把该缸套移到不同的缸筒内。 检查缸体的上表面。
注: 当缸套凸出量正确时,在缸套和隔板上作标记。 确保能够识别某一缸套的相应气缸。 安装密封和止水填充带时,将缸套安装在做了标记的位置。
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