7.16.6 HT coolant pump ‒ Relief bore check
DANGER
Rotating and moving engine parts.
Risk of crushing, danger of parts of the body being caught or pulled in!
• Only run the engine at low power. Keep away from the engine's danger zone.
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 (arrow) for oil and coolant
discharge.
2. Stop engine (→ Page 116) and disable engine
start.
3. Clean the relief bore (arrow) 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, con-
tact Service.
MS150031/06E 2016-010 | Coolant Circuit, General, High-Temperature Circuit | 209
TIM-ID: 0000006800 - 003
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