Remove/install fuel pump and fill level sensor

AR47.20-S-7000E

Remove/install fuel pump and fill level sensor

23.11.2018

Model

447 with engine 274, 622, 651, 654.9

Model

448 with engine 274

Shown on model 447 with engine 651 with code H12 (Auxiliary water heater)

1

Fuel tank

2

Fuel lines

3

Fuel line

4

Locking ring

M3/3

Fuel pump with fuel feed module

 Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

 

Remove/install

1

Remove fuel tank(1).

Model 447 with engine 274
with code ZL3 (National version for Latin America)
Model 447 with engine 622, 651, 654.9

AR47.10-S-4100E

Model 447 with engine 274
except code ZL3 (National version for Latin America)
Model 448 with engine 274

AR47.10-S-4100EG

2

Remove fuel lines (2) from fuel pump with fuel delivery module (M3/3).

3

Remove fuel line (3) from fuel pump with fuel delivery module (M3/3).

Model 447 with engine 622, 651, 654.9
with code H12 (Auxiliary hot-water heater)
Model 447 with engine 651, 654.9
with code HZ1 (Auxiliary heater (warm air))

4

Open locking ring (4) with the claw wrench counterclockwise and remove locking ring (4).

 Claw-type wrench

*001589000700

5

Remove fuel pump with fuel delivery module (M3/3) from the fuel tank (1).

 Installation: Clean sealing surface, replace sealing ring.

6

Install in the reverse order

7

Document version of the fuel pump with fuel delivery module (M3/3) in the Vehicle Documentation (VeDoc).

Model 447 as of 7/15/15 with engine 274, 622, 651
Model 447 with engine 654.9
When replacing fuel pump with fuel feed module (M3/3).

 For this purpose, select the code O57 (CHARACTERISTIC TANK OPTIMIZED).