4.5 Operational checks
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.
Operational checks
Item
Action
Engine operation
Visually inspect engine for leaks and general condition.
Check overflow line on expansion tank for coolant discharge , contact Serv-
ice in case of severe coolant discharge.
Engine oil
Check engine oil level (→ Page 95).
Air filter
Check signal ring position of service indicator on air filter (if fitted)
(→ Page 94).
Engine coolant pump
Check relief bore (→ Page 107).
Charge-air coolant pump
Check relief bore (→ Page 108).
Fuel prefilter
Drain water and contaminants from fuel prefilter (if fitted).
Raw water pump
Check relief bore for oil and water discharge and dirt.
48 | Operation | MS15029/01E 2015-06
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