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6.5.2 HP pump – Relief bore check
from MTU 12V4000M23F_ 12V4000M23S_ 16V4000M23F_ 16V4000M23S_ MS150068_01E Diesel Engine Operating Instruc
DANGER Rotating and moving engine parts.
Risk of crushing, danger of parts of the body being caught or pulled in!
• Only run the engine at low power. Keep away from the engine's danger zone.
WARNING High level of engine noise when the engine is running.
Risk of damage to hearing!
• Wear ear protectors.
HP pump – Relief bore check
1. Visually inspect relief bore (1) for fuel discharge. 2. For jacketed HP lines, leakage is indicated by the yellow combined alarm. 3. If fuel discharge is found or indicated, contact Service.
