| 1. To reduce pressure in a power supply system (see the item 3 of subsection 6.2.2). |
| 2. To turn out a valve stopper from the distributor case (see rice. Basic elements of system of injection of fuel). To remove sealing laying of a stopper. |
| 3. To take out a sealing ring, adjusting washers, a spring, a plunger and the second sealing ring. To replace defective details. Adjusting washers are not recommended to be changed not to break adjustment of the valve. |
| 4. To assemble the valve upside-down, having replaced sealing rings. To tighten a valve stopper the moment of 25 N · m (2,5 kgfs · м). |
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