6.12.6 Engine 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.
WARNING
Hot components/surfaces.
Risk of burns!
• Allow the engine to cool down to below 50 °C before beginning work.
• Wear suitable protective equipment/thermal gloves.
• Avoid unprotected contact with hot surfaces.
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, con-
tact Service.
2. If relief bore is dirty:
• Stop engine (→ Page 38) and disable en-
gine start.
• Clean relief bore with a wire.
MS150094/02E 2015-05 | Task Description | 117
TIM-ID: 0000025150 - 003
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