Internal leaks, testing hydraulics, fuel pressures and internal leaks (ME-SFI)

AD07.61-P-7000-02E

Internal leaks, testing hydraulics, fuel pressures and internal leaks (ME-SFI)

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Scope of test

Measuring instrument/

Test connection

Operation/Requirement

Specified value

 Possible cause/Remedy

1.0

Internal leaks in fuel system

Notes on test connection:

Pressure tester connected to test connection

Switch off engine:

After 30 minutes:

> 3.0 bar

> 2.5 bar

 Rapid pressure drop:

Non-return valve on fuel pumps

 Slow pressure drop:

AD07.61-P-7002-02A

AD07.61-P-7002-03A

 Diaphragm pressure regulator