Fuel Priming Pump - Remove and Install
拆卸步骤
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| 注意 |
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在检验、保养、测试、调整及维修发动机时，请小心确保盛接流出的液体。 在打开或拆解任何储有液体的部件之前，要准备好合适的容器收集液体。 有关适合收集和盛接卡特彼勒产品上的液体的工具和供应品，请参阅专门出版物, NENG2500, "卡特彼勒代理商工具目录"。 按照本地法规和条例处置所有液体。 |
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渗漏或溅溢到热表面或电气部件上的燃油会引起失火。 为防止可能的伤害，当更换燃油滤清器或油水分离器滤芯时，要将起动开关断开。 应立即将溅溢的燃油清除干净。 |
- 将球阀 (1) 转到 OFF 位置。
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| 图 1 | g00548853 |
燃油箱后侧 | |
- 打开前后发动机罩。
- 将适当的容器放到燃油手压泵组件的下方，用来盛装放出的燃油，以便随后的保存或废弃处理。
- 在螺栓 (2) 和 (3) 上做好识别标记，以便于安装。
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| 图 2 | g00515170 |
- 将螺栓 (2) 和硬垫圈从燃油手压泵组件 (4) 上拆下。
- 将螺栓 (3) 和垫圈从燃油手压泵组件 (4) 上拆下。
- 将燃油手压泵组件 (4) 和密封垫从滤清器底座组件 (5) 上拆下。
安装步骤
- 安装前确认燃油手压泵的所有部件清洁无异物。
- 检查所有部件是否磨损，必要时更换部件。
- 将燃油手压泵组件 (4) 和新密封垫安装到滤清器底座组件 (5) 上。
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| 图 3 | g00515170 |
- 将螺栓 (3) 和垫圈安装到燃油手压泵组件 (4) 上。
- 将螺栓 (2) 和硬垫圈安装到燃油手压泵组件 (4) 上。
- 将球阀 (1) 转到 ON 位置。
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| 图 4 | g00548853 |
燃油箱后侧 | |
- 向燃油系统充油。 关于充注燃油系统的正确程序，请参阅操作和保养手册, "燃油系统 - 充注"。
- 关闭前后发动机罩。
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