Spark Plug - Test
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| 所需工具 | 数量 | |
| 1F-0479 | 扳手 | 1 |
| 2P-5481 | 深孔套筒 | 1 |
| 154-9521 | 火花塞座清洁剂 | 1 |
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| 图 1 | g01922794 |
火花塞的拆卸和安装 (1) 火花塞 (2) O 形密封圈 | |
使用 2P-5481 深孔套筒 进行火花塞 (1) 的拆卸和安装。
发动机运转期间产生火花所需的电压随火花塞的状况和发动机负载的变化而变化。 如果火花塞间隙太大，产生火花所需的电压增加。 确保火花塞的间隙正确。
火花塞安装期间，确保 O 形密封圈 (2) 状况良好。
使用 9U-6695 火花塞点火指示计总成 作为辅助工具以确定点火故障。 请参阅工具中附带的说明书。
有关火花塞的拆卸、检查和安装说明，请参阅操作和保养手册。
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| 图 2 | g01922933 |
火花塞适配器 (1) 适配器 (2) 密封垫 (3) O 形密封圈 | |
使用 1F-0479 扳手 进行火花塞适配器 (3) 的拆卸和安装。 安装适配器时，确保密封垫 (4) 正确就位。 在缸盖密封用的 O 形密封圈 (5) 和缸孔上涂抹肥皂液。 在适配器的螺纹上和缸盖的螺纹上涂抹 5P-3931 防粘结剂 。 将适配器拧紧至正确扭矩。
Caterpillar Information System:
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