Models with M57 engine
1. Cover the generator to prevent fluids from spilling onto it.
2. Remove the inlet pipeline.
3. Clean the injection pump near the pressure regulator with a cold cleaner and dry with compressed air. Disconnect connector (1), remove the bolts (2) and remove the pressure regulator (3) from the body by turning it by hand.
Do not remove the pressure regulator from the injection pump using a tool.
4. Check the correct position and integrity of the O-rings (1) and white regulator support ring (2) pressure. Lubricate all O-rings with clean diesel fuel prior to installation.
5. Press the pressure regulator, turning it by hand in a clockwise direction into the injection pump until the mating surfaces fit.
Do not use a percussion instrument for this.
Models with M67 engine
Remove the engine top covers first.
Pressure regulator
1. Give the nut.
2. Release clamp (1) wiring harness and give the nut (2).
3. Turn out bolts (1) and remove the cover (2).
4. Further removal and installation are carried out in the same way as removal and installation on the M57 engine (see paragraphs 3-5).
Fuel distributor
1. Remove the bolt (1) and move aside the vacuum line (2).
2. Disconnect the connector from the fuel distributor pressure regulator. Loosen the clamps (1) fuel lines and disconnect them from the fuel distributor. Disconnect pressure (2) pipelines and return (4) pipelines. Remove the bolts (5), slightly lift the fuel distributor and disconnect the connector from the sensor (3) pressure.
3. Remove the fuel distributor.