AR47.25-T-0006AA | Remove/install fuel lines | 28.5.01 |
ENGINE 457.942 in MODEL 671.015 /020 /021 /030 /042 /332 /333
T47.10-0010-01
T47.25-0001-01
T47.25-0002-01
1 Fuel lines
2 Fuel tank
5 Heat exchanger
8 Quick-connector
9 Fuel pump
10 Fuel pump feed line
12 Engine housing connection fitting
13 Line connecting fuel pump/ heat exchanger
14 Line connecting fuel pump/ pressure regulator valve
3 Fuel heat exchanger feed line
4 Fuel prefilter
6 Fuel pump feed line
7 Fuel full-flow filter
11 Engine housing feed line
15 Fuel prefilter feed line
T47.25-0003-01
T47.25-0004-01
T47.25-0005-01
14 Line connecting fuel pump/ pressure regulator valve
20 Pressure regulator valve
21 Leak oil line
17 Engine housing return flow line
19 Quick-connector
21 Leak oil line
7 Fuel full-flow filter
16 Fuel full-flow filter return flow line
17 Engine housing return flow line
18 Branch
22 Screw connection
| 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. | |
| Before installing, clean all sealing surfaces. New sealing rings must be installed at banjo bolts and quick-connectors. After detaching fuel lines, seal with a plug. | ||
1 | Open tailgate, engine service flap | ||
2 | Extract fuel from fuel tank | | |
3 | Raise vehicle. | ||
4 | Drain fuel from fuel tank | If step 2 was not performed. | |
5 | Detach fuel lines (1) from fuel tank (2) | Stationary heater feed line, fuel prefilter feed line, fuel full-flow filter return flow line Installation: Inspect plastic insulation of fuel lines for damage, replace if necessary. | |
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6 | Separate Panduit straps for attaching fuel lines to vehicle frame | ||
7 | Separate Panduit straps for forming fuel lines into a loom | ||
8 | Detach all the fixtures of the fuel lines in the area of the engine compartment from frame | ||
9 | Detach stationary heater return flow line at separation point to stationary heater | The stationary heater return flow line is connected by a branch to the fuel full-flow filter return flow line. | |
10 | Detach fuel full-flow filter return flow line (16) from fuel full-flow filter (7) | ||
11 | Separate fuel full-flow filter return flow line (16) at threaded connection (22) | ||
12 | Separate leak oil line (21) from engine housing return flow line (17) at quick-connector (19) | The engine housing return flow line is connected by a branch (18) to the fuel full-flow filter return flow line (16). | |
13 | Remove fuel full-flow filter return flow line (16) from vehicle | ||
14 | Detach feed line of fuel prefilter (15) from fuel prefilter (4) and remove it from vehicle | | |
15 | Disconnect feed line of stationary heater at separation point and remove it from vehicle | ||
16 | Detach feed line of fuel heat exchanger (3) from fuel heat exchanger (5) and from fuel prefilter (4) | The feed line of the fuel heat exchanger is marked in blue. | |
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17 | Separate feed line of fuel pump (6) at quick-connector (8) to fuel pump (9) and detach it from fuel full-flow filter (7) | The feed line of the fuel pump is marked in green. | |
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18 | Detach feed line of fuel pump (10) from fuel pump (9) | The feed line of the fuel pump is marked in green. | |
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19 | Separate engine housing feed line (11) at quick-connector from connection fitting of engine housing (12) and detach from fuel full-flow filter (7) | The feed line of the engine housing is marked in yellow. | |
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20 | Detach line connecting fuel pump/ fuel heat exchanger (13) from fuel pump (9) and from fuel heat exchanger (5) | | |
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21 | Detach line connecting fuel pump/ pressure regulator valve (14) from pressure regulator valve (20) and fuel pump (9) | | |
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22 | Unbolt pressure regulator valve (20) from engine housing, detach leak oil line (21) from cylinder head and take off | | |
23 | Install in the reverse order | ||
24 | Bleed fuel system | ||
| Bleed fuel system | ||
| Check | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns when working in engine during starting procedure | Secure vehicle to prevent it from moving. | |
25 | Start engine and inspect fuel system for leaks | If the engine fails to start after wait 1 min. and repeat attempt at starting. | |
26 | Turn off engine | ||
27 | Close tailgate |
Fuel pipes/hoses
Number | Designation | Engine 457.9 | |
BA47.25-N-1001-01H | Banjo bolt of fuel line to bracket of fuel prefilter | Nm | 50 |
BA47.25-N-1004-01H | Banjo bolt of fuel line to fuel filter housing | Nm | 50 |
BA47.25-N-1007-01H | Banjo bolt of fuel intake line to fuel pump | Nm | 50 |
BA47.25-N-1008-01H | Banjo bolt of fuel delivery line to fuel pump | Nm | 50 |
BA47.25-N-1009-01H | Banjo bolt of fuel line to fuel heat exchanger | Nm | 50 |
BA47.25-N-1010-01H | Pressure control valve to crankcase | Nm | 40 |
BA47.25-N-1011-01H | Banjo bolt of fuel line to pressure regulator valve | Nm | 50 |
BA47.25-N-1012-01H | Banjo bolt of fuel line to fuel tank | Nm | 50 |
Workshop equipment
WE58.40-Z-1001-22A | Tank emptying device |
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