AR47.20-W-5710A | Remove, install fuel pump | 29.3.06 |
ENGINE 457.9 in MODEL 374, 375, 940, 942, 943, 944, 958
W47.20-1058-09
Illustrated on model 944 with (Code BA1) Performance-optimized Voith retarder
1 Fuel pump
2 Oil filler line at the side
3 Fuel line (to fuel filter)
4 Furl line (from fuel overflow valve)
8 Fuel heat exchanger
9 Gasket
Arrow Vent hole
5 Bracket
6 Pressure regulator valve
7 Fuel line (from fuel heat exchanger)
| 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. | |
Danger! | Risk of injury caused by being caught or pinched as cab is tilted | Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut. | |
1 | Tilt cab | Installation: Tilt the cab back only after the leak test has been conducted | |
| Notes on tilting the cab | ||
2 | Remove soundproofing on frame at the upper left | ||
3 | Detach fuel line (4) at pressure regulator valve (6) | Counterhold pressure regulator valve (6). | |
Installation: Replace sealing rings. | |||
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4 | Loosen bracket (5) of fuel line (4) at crankcase | | |
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5 | Detach lateral oil filler line (2) at bracket | | |
6 | Remove fuel line (7) at fuel heat exchanger (8) | Installation: Replace sealing rings. | |
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7 | Detach fuel lines (4, 7) at fuel pump (1) | Installation: Replace sealing rings. | |
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8 | Detach fuel line (3) at fuel pump (1) | Tie up fuel line (3) at top. | |
Installation: Replace sealing rings. | |||
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9 | Remove fuel pump (1) | Installation: Pay attention to the installation position of the fuel pump (1), the vent bore (arrow) must point upwards. | |
| |||
10 | Remove gasket (9) | Installation: Clean sealing surfaces and replace gasket (9). | |
11 | Install in the reverse order | ||
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 running engine | Secure vehicle to prevent it from moving by itself. | |
12 | Start the engine, bleed fuel system and perform engine test run | The fuel system is bled automatically. If the engine fails to start or only runs for a brief period: | |
Purge fuel system by hand. | |||
13 | Switch off the engine and inspect fuel pump (1) and fuel lines (3, 4, 7) for leaks | Visual inspection. |
Oil pan
Fuel pump
Fuel pipes/hoses
Number | Designation | Engine | |
BA47.25-N-1007-01M | Banjo bolt connecting fuel suction line to fuel pump | Nm | 50 |
BA47.25-N-1008-01M | Banjo bolt connecting fuel pressure line to fuel pump | Nm | 50 |
BA47.25-N-1009-01M | Banjo bolt connecting fuel line to fuel heat exchanger | Nm | 50 |
BA47.25-N-1011-01M | Banjo bolt connecting fuel line to pressure regulator valve | Nm | 50 |
BA47.25-N-1014-01M | Hexagon socket head bolt connecting fuel line clamp to crankcase | Nm | 20 |
BA47.25-N-1016-01M | Hexagon bolt connecting fuel line clamp to crankcase | Nm | 25 |
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