AR47.20-A-1080A | Remove/install fuel prefilter | 19.7.06 |
ENGINE 457.939 /945 /946 /949 in MODEL NAB372.124
ENGINE 457.939 /945 in MODEL NAB372.317
A47.20-0001-12
1 Fuel prefilter
2 Banjo bolt
3 Sealing ring
4 Fuel pipe
5 Banjo bolt
6 Sealing ring
7 Fuel pipe
8 Bolt
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 | Open engine compartment flap | ||
| Removing | ||
2 | Disconnect fuel line (4) | To do this remove banjo bolt (2) and catch escaping fuel in a suitable container if necessary. | |
3 | Disconnect fuel line (7) | To do this remove banjo bolt (5) and catch escaping fuel in a suitable container if necessary. | |
4 | Remove fuel prefilter (1) | Start by removing screws (8). | |
| Install | ||
5 | Install fuel prefilter (1) | For this purpose, screw in bolts (8). | |
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6 | Attach fuel line (7) | To do this screw in banjo bolt (5) and replace sealing ring (6). | |
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7 | Attach fuel line (4) | To do this screw in banjo bolt (2) and replace sealing ring (3). | |
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8 | Bleed fuel system | ||
| Bleed fuel system | ||
| Checking | ||
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. | |
9 | Start engine | If the engine does not start after approx. 30 seconds: wait for one minute and repeat the starting procedure. | |
10 | Check fuel prefilter (1) for leaks | ||
11 | Turn off engine | ||
12 | Close engine compartment flap |
Fuel filter
Fuel pipes/hoses
Number | Designation | Engine 457.9 | |
BA47.25-N-1001-01H | Banjo bolt, fuel line on fuel prefilter bracket | Nm | 50 |
Torque wrench
000 589 64 21 00
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