| 1. To remove the pump of cooling liquid, a final collector, vortical chambers of combustion and a thermoswitch of a control bulb of an overheat of the engine. |
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2. By means of the adaptation for compression of springs of valves to remove crackers of fastening of the top persistent plates of springs and to remove springs of valves. |
3. To take the valve and to designate, in what cylinder it and worked. |
| 4. To wash up in gasoline or diesel fuel of a spring of valves, paying attention to damaging their sheeting. |
| 5. By means of a soft wire brush carefully to clear final channels in a head of the block of cylinders, external surfaces of directing valves and the valve. |
Prevention
It is impossible to use adaptations which can scratch cleared details.
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| 6. To clear and carefully to blow the compressed air all details. |
| 7. By means of a ruler to check planeness of the bottom plane of a head of the block of cylinders: lengthways, across and on a diagonal. In the course of check not опирать a ruler on combustion chambers (can slightly act from a head of the block of cylinders). |
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8. In case of need to replace directing valves (And – the size of a zaglubleniye directing the valve) and to check situation directing after their installation. |
| 9. After installation in a head of the block of cylinders рассверлить till the corresponding sizes internal diameter of directing valves. To grind in the valve by means of fine-grained paste for grinding in. |
| 10. Carefully to wash up a head of the block of cylinders and the valve for removal of particles of paste. |
| 11. To check a condition of working surfaces of nests of valves. |
| 12. To check a prileganiye of valves to nests, turning the valve on 1/8 turns at their easy pressing to a nest. |
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13. To measure a zaglubleniye of valves of rather bottom plane of a head of the block of cylinders. |
| 14. To check a condition of the taken chambers of combustion. |
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15. After installation of chambers of combustion in a head of the block of cylinders by means of the indicator of hour type to check their vystupaniye (0–0,03 mm) from the bottom plane of a head of the block of cylinders. |
| 16. To collect a head of the block of cylinders, having executed actions in return sequence in relation to described above. |