W47.10-1039-06
Shown on model 970
1 Electrical connector
2 Fuel line (return flow)
3 Fuel line (feed)
4 Cap
5 Union nut
6 Filler neck
9 Measuring lever
B22 Fuel fill level sensor
W47.10-1022-11
Shown on model 970
7 Plastic rib (on filler neck)
8 Fuel tank venting
Modification notes
| Remove/install | ||
Danger! | Risk of explosion caused by ignition of flammable products, risk of poisoning caused by inhaling fuel vapors or swallowing fuel as well as risk of injury to skin and eyes exposed to fuel. | No fire, sparks, open flames or smoking. Wear protective clothing when handling fuel. | |
1 | Switch off ignition | ||
2 | Open cap (4) | ||
3 | Drain off fuel out of fuel tank until below the level of the fuel fill level sensor (B22) | Collect fuel in a suitable safety container. | |
4 | Detach fuel lines, (2, 3) on fuel fill level sensor (B22) | Identify fuel lines (2, 3). The fuel lines (2, 3) can be removed by side pressure on the plug connections. Collect escaping fuel in a suitable safety container. | |
Installation: Observe identification of fuel lines (2, 3). | |||
5 | Disconnect electrical connector (1) on fuel fill level sensor (B22) | ||
6 | Unscrew union nut (5). | ||
7 | Remove filler neck (6) | Model 970, 972, 974, 975, 976 only | |
Installation: The plastic rib (7) on the filler neck (6) must point towards the fuel tank vent (8) (broken line). | |||
8 | Pull out fuel fill level sensor (B22) | Pull out fuel fill level sensor (B22) upwards very carefully. Otherwise, the measuring lever (9) consisting of thin wire and the measuring electronics connected can be damaged.. | |
Installation: Replace sealing ring and carefully install fuel fill level sensor (B22) in the fuel tank. | |||
| Fuel fill level sensor modified | ||
9 | Install in the reverse order |