4.6 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
Measure
Engine under load
Engine at nominal speed
Visually inspect engine for leaks and general condition;
Check for abnormal running noises and vibration;
Check exhaust color (→ Page 65).
Fuel prefilter
Check fuel prefilter contamination indicator for max. admissible value
(→ Page 94).
Drain water and contaminants (→ Page 95).
Air filter
Check signal ring position of contamination indicator (→ Page 103).
HT coolant pump
Check relief bore for oil and coolant discharge and contamination
(→ Page 121).
Raw water pump
Check relief bore for oil and water discharge and contamination
(→ Page 124).
Intercooler
Check condensate drain (if applicable) (→ Page 100).
Engine oil
Check engine oil level (→ Page 105).
MS150061/04E 2012-07 | Operation | 55
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