Details of installation of the valve regulator of pressure of fuel on diesel models are shown on an illustration which all references meeting in the text concern.
It is most reasonable to replace the valve regulator assembled with the fuel highway / клапанным the block.
In case of need the valve regulator of pressure (Y74) can be removed with clamped in a vice with soft sponges of the highway / клапанной assemblies by a reversing of fixing bolts (2).
Installation is made upside-down. Do not forget to replace sealing elements.
In summary start the engine and check power supply system components on existence of signs of development of leaks.