Removing and installing check valve for fuel pump - AR47.20-P-5820F

ENGINE 119.97, 120.980/981 

Fig 1: Identifying Check Valve For Fuel Pump Remove/Install Components (Engine 119.97, 120.980/981)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig. item, etc.	Work instructions
	Risk of explosion	Pay attention to accident prevention regulations!
53, 52	Fuel suction hose, fuel delivery hose	pinch off	Figure
	Screw spindle pump replaces double fuel pump unit		BT47.20-P-0001-01A
54a, 63	Cap nut, check valve	replace copper seals (62, 62a)
			*BA47.20-P-1002-01A
			*BA47.20-P-1003-01A

FUEL PUMP

Number	Designation		Engine 104, 119, 120
BA47.20-P-1002-01A	Cap nut of fuel pipe to fuel pump	Nm	27
BA47.20-P-1003-01A	Check valve to fuel pump	Nm	27

Fig 2: Identifying Clamp (000 589 40 37 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.