| 1. | Oil may be forced out through the timing cover and rear-main bearing oil seals .
机油会从正时齿轮盖和后主轴承油封处压出。 |
| 2. | Regulate engine flywheel ( timing gear ) to timing position
调整发动机飞轮（正时齿轮）至正时位置； |
| 3. | Oil pan timing case cover seal
油底壳与正时齿轮盖油封 |
| 4. | Timing gear punch mark
正时齿轮刻印记号 |
| 5. | Camshaft phasing gear
凸轮轴正时齿轮 |
| 6. | Camshaft timing gear
凸轮轴正时齿轮 |
| 7. | Crankshaft timing gear
曲轴正时齿轮 |
| 8. | Timing gear cover
正时齿轮盖 |
| 9. | Use , installation and maintenance 1 . align the white colored timing scale mark on engine timing gear with the position line of engine timing scale mark
将发动机正时齿轮上正时刻度白色标记线拨至与发动机正时标记位置线对齐。 |
| 10. | The mechanical noise refers to the noise produced out of the percussion of the pistol to the cylinder liner and the mechanical percussion and vibration between the timing gear , valve mechanism and the oil injection system
将活塞对缸套的撞击，正时齿轮、配气机构、喷油系统等运动件之间的机械撞击振动而产生的噪声叫作机械噪声。 |
