Valve Mechanism Cover - Remove and Install
拆卸步骤
- 断开线束组件 (1) ,然后拆下 NRS 进气压力传感器 (2) 。
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图 1 | g02175660 |
- 断开线束组件 (5) ,然后拆下螺栓 (4) 。 拆下 NRS 压差传感器 (3) ,然后拆下两个矩形密封圈(未显示)。
- 断开卡箍组件 (7) ,然后拆下软管 (6) 。
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图 2 | g02175933 |
- 断开线束组件 (8) 。 拆下螺母 (9) 和垫圈(未显示)。 将线束组件 (8) 和支架组件 (10) 移到一边。
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图 3 | g02175934 |
- 拆下两个双头螺栓 (11) 。 拆下垫圈 (12) 和弹簧 (13) 。
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图 4 | g02175936 |
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图 5 | g02175937 |
- 拆下八颗螺栓 (14) 。 拆下垫圈 (12) 和弹簧 (13) 。
- 拆下气门机构盖 (15) 。
注: 在拆卸盖之前,确保已经从气门机构盖上完全拆下所有双头螺栓、螺栓、垫圈和弹簧。 此操作将有助于防止将异物落在发动机室或发动机中。
- 拆下盖 (16) 和 O 形密封圈。
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图 6 | g02175953 |
- 拆下卡箍组件 (18) ,然后拆下呼吸器组件 (17) 。
- 拆下适配器 (19) ,然后拆下两个 O 形密封圈(未显示)。
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图 7 | g02175954 |
安装步骤
- 按照相反顺序安装气门机构盖 (15) 。
- 按照上述顺序拧紧螺栓 (14) 和双头螺栓 (11) 。
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气门机构盖的拧紧顺序
- 手动拧紧盖 (16) 。
- 将适配器 (19) 拧紧至扭矩为 15 ± 3 N·m (132 ± 26 lb ft)。
- 将卡箍 (18) 拧紧至扭矩为 4.5 ± 0.5 N·m (40 ± 5 lb in)。
- 将 NRS 进气压力传感器 (2) 拧紧至扭矩为 10 N·m (89 lb in)。
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