Hp Fuel Pump - Relief Bore Check - MTU 12V4000M*3 series Operating Instructions Manual

8.6.2 HP fuel pump – Relief bore check
DANGER
Components are moving or rotating.
Risk of crushing, danger of parts of the body being caught or pulled in!
• Operate the engine at low load only. Keep clear of the danger zone of the engine.
WARNING
High level of engine noise when the engine is running.
Risk of damage to hearing!
• Wear ear protectors.
HP fuel pump, checking relief
bore
1. Visually inspect relief bore (1) for fuel dis-
charge.
2. If fuel discharge is found or indicated, con-
tact Service.
MS15036/00E 2018-08 | Injection Pump / HP Pump | 255