Operational Checks - MTU 12 V 2000 P12 Operating Instructions Manual

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
Control and display panels
Engine under load,
Engine at nominal speed
Fuel prefilter
Exhaust system
Intercooler
Air filter
Coolant pump
Compressed air system (if
applicable to engine)
54 | Operation | MS150025/02E 2012-10
Task
Check indicated operational data (speed, temperatures, pressures).
Check engine/plant and all pipework visually for leaks, rectify any leaks
with the engine stopped;
Check for abnormal running noises and vibrations.
Check whether indicated differential pressure is within the limit
(→ Page 113).
Check exhaust color (→ Page 61).
Check condensate drain(s) for water discharge and obstruction
(→ Page 119).
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.
Check relief bore (→ Page 136).
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.