4.10 Operational checks
DANGER
Unguarded rotating and moving engine components.
Risk of serious injury – danger to life!
• Take special care when working on a running engine.
WARNING
Engine noise above 85 dB (A).
Risk of damage to hearing!
• Wear ear protectors.
Operational checks
Item Action
Engine under load,
engine at nominal speed
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 109).
HP pump Check relief bore (→ Page 129).
Fuel prefilter Check fuel prefilter maintenance indicator for max. admissible value
(→ Page 143).
Drain off water and dirt (→ Page 140)
Intercooler Check drain line for water discharge and obstruction (→ Page 151).
Air filter Check signal ring position of service indicator (→ Page 156).
Replace air filter (→ Page 152), if the signal ring is completely visible in the
service indicator control window.
Exhaust system Check the drain for obstructions.
HT coolant pump Check relief bore for oil and coolant discharge and contamination
(→ Page 173).
Raw water pump Check relief bore for oil and water discharge and contamination
(→ Page 175)
MW15412/05E 2011-11 | Operation | 97
TIM-ID: 0000002279 - 002
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