Water Level Probe (3-In-1 Rod Electrode Check - MTU 20 V 4000 M93 x Operating Instructions Manual

7.18.3 Water level probe (3-in-1 rod electrode) – Check
Preconditions
☑ System is put out of operation 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 connector from water level probe.
2. Unscrew water level probe.
3. Disconnect connector from water level probe.
4. Immerse water level probe into a tank filled with water until water level reaches the thread.
5. Switch system on.
Result: Water drain valve opens.
6. Leave water level probe in tank.
Result: Alarm must be triggered with the preset delay.
7. Switch off the system.
8. Disconnect connector from water level probe.
9. Remove water level probe from tank.
10. Screw in water level probe.
11. Connect connector for water level probe.
12. Fill and vent the system then put it into operation.
170 | Task Description | MS150048/04E 2013-07