Fuel Injector
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图 1 | g01560135 |
喷油器和高压管路部件的专门说明
- 松开连接燃油管路和燃油油轨的螺栓 (3) 。
- 拆解前,将清洁的发动机机油涂抹在管接头套环上。
- 拆下燃油管路 (2) 。
- 安装喷油器 (4) 。
- 将螺栓 (1) 拧紧至扭矩 30 至 50 N·m (22 至 38 lb ft)。
- 拆卸喷油器的螺栓。
- 将燃油管路组装到缸盖和油轨 (5) 内,使燃油管路的两端不与发动机零件接触。
注: 用 1P-0808 多功能润滑脂 润滑 O 形密封圈的孔。
注: 组装前,用清洁的发动机机油润滑燃油管路两端。
- 用手将螺栓拧紧至缸盖并拧紧油轨的螺栓。
- 拧紧喷油器螺栓至扭矩为 10 N·m (7 lb ft)。
- 将螺栓均衡地拧紧至缸盖和油轨,扭矩为 20 N·m (15 lb ft)。 拧紧螺栓时,每个螺栓不应一次转动 90 度以上。
- 将螺栓 (1) 拧紧至扭矩为 100 ± 20 N·m (75 lb ft)。
- 再次将螺栓均衡地拧紧至缸盖和油轨,扭矩为 40 N·m (5 lb ft)。 拧紧螺栓时,每个螺栓不应一次转动 45 度以上。
Caterpillar Information System:
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