5.4 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 112).
Engine operation
Check engine visually for leaks and general condition;
Check engine for abnormal running noises, exhaust color and vibrations
(→ Page 59).
Air filter
Check filter restriction indicator on the air filter (if fitted) (→ Page 111).
Exhaust system
Check exhaust color (→ Page 59).
Fuel prefilter
Check pointer position of differential pressure gage at fuel prefilter (if fit-
ted).
Engine coolant pump
Check relief bore (→ Page 122).
Charge-air coolant pump
Check relief bore (→ Page 128).
54 | Operation | MS150100/04E 2015-09
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