Remove/install fuel filter water level sensor · ar4750d0100sd · Mercedes-Benz WIS

AR47.50-D-0100SD

Remove/install fuel filter water level sensor

23.2.12

ENGINES 642.896 /898 /992 /993, 646.984 /985 /986 /989 /990 in MODEL 906 with CODE (KL5) Fuel filter with water separator

1 Screw/bolt

2 O-rings

3 Fuel filter

B76 Fuel filter water level sensor (on engine 642.992/993, 646)

R53/1 Fuel filter heater with water level sensor (for engine 642.896/898)

D47.50-0003-03

 	Remove/install
1	Remove engine trim panel	Engine 642.992/993	AR01.10-D-2405SF
2	Remove air filter	Engine 642	AR09.10-D-1150SF
3.1	Remove fuel filter (3)	Engine 646	AR47.20-D-1070SD
3.2	Remove electrical connector and drain pipe from fuel filter water level sensor (B76) or on the fuel filter heater with water level sensor (R53/1)	Engine 642	AR47.20-D-1070SF
		 Do not remove fuel filter (3).
4	Unscrew screw/bolts (1) and remove fuel filter water level sensor (B76) or fuel filter heater with water level sensor (R53/1)	 Clean fuel filter (3) in area of fuel filter water level sensor (B76) or fuel filter heater with water level sensor (R53/1)
		 Installation: Install new O-rings (2) and moisten with fuel.
		Engine 642	*BA47.20-N-1004-02M
		 Engine 646	*BA47.20-N-1006-02F
5	Install in the reverse order

 Fuel filter

Number	Designation		Engine 642


BA47.20-N-1004-02M	Locking screw/bolts, water level sensor to filter	Nm	2

 Fuel filter

Number	Designation		Engine 646 in model 906


BA47.20-N-1006-02F	Locking bolts, water level sensor to filter	Nm	2