AR47.20-W-1070D | Remove, install main fuel filter | 29.3.06 |
ENGINE 457.9 in MODELS 374, 375, 940, 942, 943, 944, 958
W47.20-1015-05
Illustrated on model 944
1 Fuel main filter
2 Bracket/lifting eye
3 Fuel line (from leak fuel line)
4 Fuel line (to fuel tank)
5 Fuel line (from fuel pump)
6 Fuel line (to unit pumps)
7 Fuel line (only with Code (M89) Flame starting system (FLA))
Modification notes
| Remove/install | ||
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 end cover at fuel tank | ||
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. | |
2 | Tilt cab | Installation: Tilt the cab back only after the leak test has been conducted | |
| Notes on tilting the cab | ||
3 | Remove soundproofing on frame at the upper left | ||
4 | Unscrew cover of main fuel filter (1) and remove | Capture fuel escaping from the fuel filter element. | |
Installation: Replace sealing ring in cap. | |||
| |||
5 | Remove fuel line (3) at banjo bolt | Collect escaping fuel. | |
Installation: Replace sealing rings. | |||
| |||
6 | Release fuel line (4) and detach at fitting of main fuel filter (1) | Press together clamp and pull out fuel line (4). Collect escaping fuel. | |
7 | Remove fuel line (7) at banjo bolt | Only with Code (M89) Flame starting system (FLA). Collect escaping fuel. Mark banjo bolt for fuel line (7) to flame starting system; this banjo bolt has a small diameter and must not be confused with the banjo bolt for the leak fuel line . | |
Installation: Replace sealing rings. | |||
| |||
8 | Remove fuel lines (5, 6) from the main fuel filter (1) | Collect escaping fuel. | |
Installation: Replace sealing rings. | |||
| |||
9 | Remove main fuel filter (1) from bracket/lifting eye (2) | | |
10 | 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. | |
11 | 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. | |||
12 | Turn off the engine and check area of main fuel filter (1) for leaks | Visual inspection. |
Fuel filter
Number | Designation | Engine | |
BA47.20-N-1002-02N | Bolt connecting fuel filter to bracket/lifting eye | Nm | 50 |
BA47.20-N-1004-02N | Bolt connecting cover to fuel filter housing | Nm | 25 |
Fuel pipes/hoses
Number | Designation | Engine | |
BA47.25-N-1003-01M | Banjo bolt connecting fuel line/ | Nm | 15 |
BA47.25-N-1004-01M | Banjo bolt connecting fuel line to fuel filter housing | Nm | 50 |
BA47.25-N-1017-01M | Banjo bolt connecting fuel line to solenoid valve of flame starting system/ banjo bolt for fuel filter housing | Nm | 15 |
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