The pressure is checked using a manometer with a fitting and a cock that measures both the flow pressure and the inlet pressure.
Connect the manometer hoses between the dosing-distributor and the control pressure supply line coming from the control pressure regulator (pic. 2-184). Remove air pockets from gauge hoses. To do this, start the engine, set the pressure gauge cock to the position to control the flow pressure and lower the pressure gauge so. so that it hangs freely on the hoses.
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