Attention! Collect and dispose of escaping fuel.
It is forbidden to pull out and install the pressure regulator without using a tool.
Pressure regulator installed (used) just one time.
Replacing the pressure regulator on the accumulator must be carried out in the following order. See Fig. 6.109 and 6.119. Read information in the system fault memory «DDE».
Remove the air inlet pipe, close the inlet channels and disconnect the loop (1, fig. 6.116) from the pressure sensor. When removing the pressure sensor, hold it against turning by the hexagon (2). Loosen the hex screw (3) on the accumulator and pull out the pressure regulator (3) from the accumulator.
The installation of the pressure regulator should be carried out in the reverse order, while it is necessary to fix the regulator in the required position and keep it from turning by the hexagon (2). Preliminarily fix the sensor in the required position and tighten the hexagonal threaded fastener (3) torque 70 Nm (7.0 kgf·m). Assemble the engine and check the function «DDE».