Selective Catalytic Reduction (SCR) Canister - Remove and Install
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高温发动机部件可能导致灼伤。 进行发动机保养之前让发动机和部件冷却下来。 |
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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。 |
- 松开卡箍 (2),然后将管组件 (1) 从选择性催化还原 (SCR) 出口 (3) 上断开。
- 松开卡箍 (6),然后将管组件 (7) 从 SCR 进口 (5) 上断开。
- 在位置 (A)、位置 (B)、位置 (C) 和位置 (D) 做临时对齐标记,以确定卡箍 (8) 和 SCR (10) 的正确位置。
- 将螺母 (4) 从卡箍 (8) 上拆下。 将卡箍远离 SCR 放置,以便拆下 SCR。
- 如有必要,拆下螺栓 (9) 和卡箍组件 (8)。
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图 1 | g03824061 |
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图 2 | g03824491 |
- 如有必要,安装卡箍组件 (8) 并松动地安装螺栓 (9)。
- 将 SCR (10) 定位到卡箍组件 (8) 上。 安装螺母 (4),不要拧紧。
- 对齐在卡箍 (8) 和 SCR (10) 的位置 (A)、 (B)、 (C) 和 (D) 上做得临时标记。
- 拧紧螺母 (4) 至扭矩为
22 N·m (195 lb in) 。 - 将管组件 (7) 安装到 SCR 进口 (5) 上。 安装卡箍 (6)。 拧紧卡箍至扭矩为
12 N·m (106 lb in) 。 - 将管组件 (I) 安装到 SCR 出口 (3) 上。 安装卡箍 (2)。 拧紧卡箍至扭矩为
12 N·m (106 lb in) 。 - 拧紧螺栓 (9) 至扭矩为
22 N·m (195 lb in) 。
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图 3 | g03824491 |
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图 4 | g03824061 |
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