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
Task
Control and display panels Check indicated operational data (speed, temperatures, pressures).
Engine under load,
Engine at nominal speed
Check engine/plant and all pipework visually for leaks, rectify any leaks
with the engine stopped;
Check for abnormal running noises and vibrations.
Fuel prefilter
Check whether indicated differential pressure is within the limit
(→ Page 113).
Exhaust system
Check exhaust color (→ Page 61).
Intercooler
Check condensate drain(s) for water discharge and obstruction
(→ Page 119).
Air filter
Check signal ring position of service indicator (→ Page 121).
Replace air filter (→ Page 120), if the signal ring is completely visible in the
service indicator control window.
Coolant pump
Check relief bore (→ Page 136).
Compressed air system (if
applicable to engine)
Check operating pressure on pressure gauge;
Always fill compressed-air tank to max. pressure;
Drain condensate from compressed-air tank, pressure drop must not ex‐
ceed 1 bar.
54 | Operation | MS150025/02E 2012-10
TIM-ID: 0000010121 - 001
