Charge-Air Coolant Pump - Relief Bore Check - MTU 12 V 4000 G23 Technical Documentation Manual

Task Description
6.15.5 Charge-air coolant pump – Relief bore check
Unguarded rotating and moving engine components.
Risk of serious injury – danger to life!
DANGER
Engine noise above 85 dB (A).
Risk of damage to hearing!
WARNING
Charge-air coolant pump – Relief bore check
1. Check relief bore for oil and water discharge.
2. Stop the engine (→ Page 60) and disable engine
start, observe general safety instructions.
3. Clean the relief bore with a wire if it is dirty.
• Permissible 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.
M015710/01E 07-02
• Take special care when working on a running engine.
• Wear ear protectors.
151
© MTU