4.8 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
Control and display panels
Check readings of operational data (speed, temperature, pressures).
Engine oil
Check engine oil level (→ Page 71).
Engine operation
Check engine visually for leaks and general condition;
Check engine for abnormal running noises, exhaust color and vibrations.
Air filter
Check service indicator at air filter (if fitted), see manufacturer's docu-
mentation.
Exhaust system
Check exhaust color (→ Page 39).
Fuel prefilter (if fitted)
Check reading at differential pressure gauge of fuel prefilter, see manufac-
turer's documentation.
Intercooler
Check condensate drain(s) for water discharge and obstruction.
Engine coolant pump
Check relief bore (→ Page 86).
Charge-air coolant pump
Check relief bore (→ Page 94).
30 | Operation | MS150111/01E 2014-05
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