Check values for fuel pressure
Number | Designation | Engine | ||
BE47.00-N-1001-01B | Fuel pressure downstream of fuel filter | Idling speed | bar | 4.3 |
Breakaway speed | bar | 4.0 to 6.5 | ||
Fuel pipes/hoses
Number | Designation | Engine | ||
BA47.25-N-1006-01J | Banjo bolt, fuel line (flame starting system) to banjo bolt and valve | Nm | 15 | |
541 589 02 21 00
Adapter parts
Tester
High-pressure hose
123 589 04 21 18
541 589 00 91 00
W07.15-1006-09
Shown on engine 900.9
1 Cover
2 Engine wiring harness
3 Testing unit
B10 Fuel temperature sensor
4 High pressure hose
5.1 Adapter
5.2 Banjo union
1 Remove cover (1) on engine.
2 Remove lower bolt from gearshift bracket on cylinder head.
Only for vehicles with code (GS3) "hydraulic" gearshift or code (GS1) "mechanical" gearshift.
3 Disconnect connector for electrical engine wiring harness (2) and remove fuel temperature sensor (B10).
Collect escaping fuel.
4 Attach removed fuel temperature sensor (B10) to connector for electrical engine wiring harness (2) and fasten to engine.
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5 Install adapter piece (5.1) together with sealing ring at crankcase.
6 Install banjo union (5.2), high pressure hose (4) and testing unit (3) at adapter (5.1).
7 Remove fuel line for FLA on fuel filter and close off bore.
Only for vehicles with code (M89) Flame starting system (FLA) Collect escaping fuel.
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8 Start engine and run.
9 Carry out the measurement and read off fuel pressure on the testing unit (3).
Measure at an idle speed of 600 to 650 rpm or at a maximum governed rpm of 2500 rpm.
10 Switch off engine.
11 Remove adapter (5.1), high-pressure hose (4) and test equipment (3).
Collect escaping fuel.
12 Install fuel temperature sensor (B10) and attach connector for the electrical engine wiring harness (2).
13 Attach fuel line for the FLA with new sealing ring on the fuel filter .
Only for vehicles with code (M89) Flame starting system (FLA)
14 Tighten lower bolt from gearshift bracket on cylinder head.
Only for vehicles with code (GS3) "hydraulic" gearshift or code (GS1) "mechanical" gearshift.
15 Install cover (1).