MTU 12 V 2000 M92 Operating Instructions Manual page 110

7.15.6 HT coolant pump — Relief bore check
DANGER
Unguarded rotating and moving engine components.
Risk of serious injury – danger to life!
• Take special care when working on a running engine.
WARNING
Engine noise above 85 dB (A).
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 elec‐
tronic system) and disable engine start.
3. Clean the relief bore with a wire if it is dirty.
• Permissible engine coolant discharge: up
to 10 drops per hour;
• Permissible oil discharge: up to 5 drops
per hour.
4. If discharge exceeds the specified limits,
contact Service.
110 | Task Description | M015700/06E 2012-06