MTU 12 V 2000 M72 Operating Instructions Manual page 127

7.19.3 Water level probe (3-in-1 rod electrode) – Check
Preconditions
☑ System is put out of service and emptied.
WARNING
Fuels are combustible.
Risk of fire and explosion!
• Avoid open flames, electrical sparks and ignition sources.
• Do not smoke.
Checking water level probe (3-in-1 rod electrode)
1. Disconnect plug from water level probe.
2. Unscrew water level probe.
3. Disconnect plug from water level probe.
4. Immerse water level probe into a tank filled with water until water level reaches the thread.
Result: Water drain valve opens.
5. Leave water level probe in tank.
Result: Alarm must be triggered with the preset delay.
6. Disconnect plug from water level probe.
7. Remove water level probe from tank.
8. Screw in water level probe.
9. Connect plug for water level probe.
10. Put the fuel treatment system into operation.
M015650/03E 2011-10 | Task Description | 127