Valve Mechanism Cover - Remove and Install
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注意 |
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保持所有零件清洁无杂质。 杂质会造成快速磨损和缩短部件寿命。 |
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注意 |
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在进行检验、保养、测试、调整及维修产品期间,必须小心以确保装好排放出的油液。 在打开任何舱室或解体任何储有液体的部件之前,要准备好合适的容器收集液体。 有关收集和盛接 Cat 产品上油液的适用工具和用品,请参阅专门出版物, NENG2500, "代理商维修工具目录"。 按照当地法规和要求处置所有液体。 |
- 拆除将线束组件夹子固定到气门盖底座上的螺栓和垫圈。
- 移开夹子和线束组件。
- 拆下螺栓 (1) 和垫圈。
注: 在装备有压缩制动器的发动机上使用隔套 (4)。
- 从气缸盖上拆下下列项:气门盖 (2), 隔套 (4) 和 密封件 (3)。
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图 1 | g01021932 |
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所需工具 | |||
工具 | 零件号 | 零件描述 | 数量 |
A | 3S-6252 | 密封胶 | 1 |
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注意 |
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保持所有零件清洁无杂质。 杂质会造成快速磨损和缩短部件寿命。 |
- 将密封件 (3) 切割成适合于气门盖和隔套的正确长度。 安装后在各个接合面上采用工具 (A)。
- 将下列项放在气门盖底座上:密封件 (3), 隔套 (4) 和 气门盖 (2)。
- 将线束组件夹子放在气门盖上。
- 安装螺栓 (1) 和垫圈。 按照以下步骤拧紧螺栓:
- 按照数字顺序依次拧紧螺栓到扭矩
12 ± 3 N·m (9 ± 2 lb ft) 。 - 按照数字顺序再次依次拧紧螺栓到扭矩
12 ± 3 N·m (9 ± 2 lb ft) 。
- 按照数字顺序依次拧紧螺栓到扭矩
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图 2 | g01021932 |
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图 3 | g00280493 |
拧紧顺序 |
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