| 1. To merge liquid from the fuel filter as it was described in subsection 1.20.3.1.13. |
| 2. To clean outside a fuel-supply line (1) and (2) (see rice. The fuel filter) and to remove from the filter, previously having cut off collars. |
| 3. To remove a lock bracket (5) and to take out the adjusting valve together with the connected fuel-supply lines. |
| 4. To take out the fuel filter up. If is available, to remove before a clip (A) (see rice. Water discharge valve). |
| 5. To install the new filter. |
| 6. To put on fuel-supply lines and to fix by collars. Not to mix pipelines of giving and return of fuel. Shooters on the fuel filter specify the direction of course of fuel. |
| 7. To install the adjusting valve with a new sealing ring and to fix it by a lock bracket (5) (see rice. Fuel filter). |
| 8. To check tightness of system. For this purpose to start the engine and to allow to work on single turns. After repeated supply of gas fuel has to proceed on a transparent fuel-supply line to TNVD without bubbles. |