6.12.6 Engine 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.
Engine coolant pump – Relief bore
check
1. Check relief bore for oil and coolant dis‐
charge.
• Permissible coolant discharge: up to 10
drops per hour;
• Permissible oil discharge: up to 5 drops
per hour.
Result: If discharge exceeds the specified limits,
contact Service.
2. If relief bore is dirty:
• Stop engine (→ Page 31) and disable en‐
gine start.
• Clean relief bore with a wire.
84 | Task Description | MS150094/01E 2012-08
TIM-ID: 0000025150 - 001
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