5.4 Operational checks
DANGER
Components are moving or rotating.
Risk of crushing, danger of parts of the body being caught or pulled in!
• Operate the engine at low load only. Keep clear of the danger zone of the engine.
WARNING
High level of engine noise when the engine is running.
Risk of damage to hearing!
• Wear ear protectors.
WARNING
Engine oil is hot.
Engine oil can contain combustion residues which are harmful to health.
Risk of burns and poisoning!
• Wear protective clothing, protective gloves and goggles/safety mask.
• Avoid contact with skin.
• Do not inhale oil vapor.
Operational checks
Item
Action
Control and display panels
Check readings of operational data (speed, temperature, pressures).
Engine oil
Check engine oil level (→ Page 132).
Engine operation
Visually inspect engine for leaks and general condition;
Check engine for abnormal running noises, exhaust color and vibrations
(→ Page 58).
Air filter
Check filter restriction indicator on the air filter (if applicable)
(→ Page 118).
Exhaust system
Check exhaust color (→ Page 58).
Fuel prefilter
Check pointer position of differential pressure gauge at fuel prefilter (if ap-
plicable).
Engine coolant pump
Check relief bore (→ Page 145).
Charge-air coolant pump
Check relief bore (→ Page 151).
52 | Operation | MS150100/06E 2017-08
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