Operational Checks - MTU 20 V 4000 M93 x Operating Instructions Manual

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
Engine oil
Engine under load,
engine at nominal speed
Air filter
Intercooler
Exhaust gas system
Fuel prefilter(s)
HT coolant pump
Raw water pump
Action
Check engine oil level (→ Page 144).
Visually inspect engine for leaks and general condition;
Check speed, pressures and temperatures;
Check engine and external lines for leaks;
Check for abnormal running noises and vibration;
Check exhaust color (→ Page 79).
Check signal ring position of service indicator (→ Page 142);
Replace air filter (→ Page 140) if the signal ring is completely visible in the
service indicator observation window.
Check condensate drain(s) for water discharge and obstruction
(→ Page 139).
Check condensate drain for obstructions.
Drain water and contamination from fuel prefilter (if fitted) (→ Page 132).
Check pointer position of differential pressure gage at fuel prefilter (if appli-
cable).
Check relief bore for oil and coolant discharge and contamination
(→ Page 163).
Check relief bore for oil and water discharge and contamination
(→ Page 165).
MS150048/04E 2013-07 | Operation | 59