Six-cylinder engine
Remove oil pump.
Remove cover -1- for oil intake. Pull out screen -2- and wash in fuel.
Turn the drive shaft and at the same time check the ease of movement of the gears.
Check the housing and cover for cracks and the gears for wear.
Remove the overload protection valve by compressing it with special pliers and pulling out the circlip -4-.
Attention: The washer -5- is pressed by the valve spring, so it must be held in place with a suitable rod or wrench head. Remove spring and piston -6-.
Check the ease of movement of the piston in the housing.
Measure the length of the pressure spring. The set value of the length of the spring in the free state: 44±0.2 mm.
Insert piston; Press the spring and washer with the corresponding key head and hold with a screwdriver -3-.
Insert retaining ring.
Screw on the oil pump cover with a tightening torque of 9 Nm.
Install the oil pump.