Diesel Exhaust Fluid Pump - Remove and Install
拆卸步骤
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| 所需工具 | |||
| 工具 | 零件号 | 零件描述 | 数量 |
| A | 207-1601 | 橡胶润滑剂 | - |
| B | 316-0704 | 锁定夹钳 | 2 |
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| 注意 |
|---|
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。 |
- 使用工具 (B) 钳断软管 (1) 和 (2) 。
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| 图 1 | g03384472 |
- 断开线束组件 (6) 。 拆下夹子 (5) 和 (7) 。 拆下软管组件 (3) 和软管 (4) 。
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| 图 2 | g03382731 |
注: 请参阅专门说明书, REHS8231, "柴油机排气处理液 (DEF) 接头的拆卸步骤"，了解软管组件 (3) 的正确拆卸步骤。
- 拆下电缆扎带 (8) 并将线束组件放置到一旁。 卸下螺栓 (10) ，然后卸下盖 (9) 。 拆下螺栓 (12) 和歧管组件 (11) 。
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| 图 3 | g03382869 |
- 将 O 形密封圈 (13) 从盖 (9) 上拆下。
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| 图 4 | g03382907 |
- 拆下电缆扎带 (15) 并断开线束组件 (14) 、 (16) 和 (17) 。 将线束组件 (18) 放在一边。
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| 图 5 | g03382878 |
- 拆下螺栓 (19) 、 (20) 、 (21) 并拆下支架组件 (22) 。
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| 图 6 | g03382883 |
- 拆下螺栓 (23) 和柴油机排气处理液泵 (24) 。
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| 图 7 | g03382905 |
- 将接头 (25) 和 O 形密封圈（未显示）从柴油机排气处理液泵 (24) 上拆下。
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| 图 8 | g03374482 |
注: 在接头 (25) 上做识别标记，以便于安装。 接头 (25) 不可互换。
安装步骤
- 按与拆卸相反的顺序安装柴油机排气处理液泵 (24) 。
- 拧紧螺栓 (23) 至扭矩为 19 ± 2 N·m (168 ± 18 lb in)。
- 将螺栓 (19) 、 (20) 和 (21) 拧紧至扭矩为 4 ± 0.7 N·m (35 ± 6 lb in)。
- 将夹子 (5) 的螺栓拧紧至扭矩为 4 ± 0.7 N·m (35 ± 6 lb in)。
- 将工具 (A) 涂覆到软管组件 (3) 内的 O 形密封圈上。
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