4.4 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
Measure
Control and display panels
Check readings of operational data (speed, temperature, pressures).
Engine operation
Visually inspect engine for leaks and general condition;
Check engine for abnormal running noises, exhaust color and vibrations.
Air filter
Check signal ring position of maintenance indicator on air filter
(→ Page 126).
Exhaust system
Check exhaust color (→ Page 71).
Fuel prefilter (if fitted)
Check reading at differential pressure gauge of fuel prefilter, see manufac-
turer's documentation.
Charge-air cooler
Check drain for coolant discharge and obstruction (→ Page 148).
Engine coolant pump
Check relief bore (→ Page 140).
Charge-air coolant pump
Check relief bore (→ Page 147).
64 | Operation | MS15054/00E 2015-09
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