Ht Coolant Pump - Relief Bore Check - MTU 12V4000M*3 series Operating Instructions Manual

8.16.6 HT coolant 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.
HT coolant pump – Relief bore
check
1. Check relief bore for oil and coolant dis-
charge.
2. Stop engine (→ Operating Instructions for
Electronic System) and disable engine start.
3. Clean relief bore with a wire if dirty.
• Admissible engine coolant discharge: up to
10 drops per hour;
• Admissible oil discharge: up to 5 drops per
hour.
4. Contact Service if discharge exceeds the
specified limits.
320 | Coolant Circuit, General, High-Temperature Circuit | MS15036/00E 2018-08