AR47.20-I-2000A | Remove/install fuel prefilter with water separator | 22.3.07 |
ENGINE 904.941 in MODEL 684.482
N47.20-2109-08
1 Filter element
3 Filter head
2 Water separation vessel
| Removing | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
Danger! | Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel | No fire, sparks, open flames or smoking. Wear protective clothing when handling fuel. | |
1 | Remove vent screw on filter head (3) | ||
2 | Open exhaust valve on | Dispose of the water/fuel mixture in accordance with the relevant environmental laws and regulations. | |
3 | Remove water separator (2) from filter element (1) | ||
4 | Unscrew filter element (1) from filter head (3) | If filter element was replaced: | |
Dispose of filter element as per legally stipulated environmental regulations. | |||
5 | Clean water separator (2), check for damage and replace if necessary | Ensure cleanliness of the groove for the seal ring. | |
| Install | ||
6 | Coat seal rings with engine oil | Use new sealing rings. | |
7 | Screw water separator (2) with seal ring by hand onto filter element (1) | ||
8 | Place filter element (1) with seal ring on filter head (3) and tighten by hand | Do not use any tool when tightening the filter element otherwise it can be damaged. | |
9 | Close exhaust valve on | ||
Bleeding | |||
10 | Actuate pushbutton of the manual fuel pump integrated in the filter head (3) until the fuel comes out bubble-free at the bleed screw | ||
11 | Tighten bleed screw and actuate manual fuel pump until an increased resistance is noticeable | ||
12 | Start engine and allow to idle | The fuel system is bled automatically. | |
| Checking | ||
13 | Check fuel prefilter for leaks | In case of leakage perform appropriate remedial action. | |
14 | Turn off engine |
Referenced documents
- as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.
- as4700z000101a 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.