Operational Checks - MTU 12 V 4000 G73 Operating Instructions Manual

4.5 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 oil
Engine operation
Battery-charging generator
Air filter
Exhaust system
Fuel prefilter
Intercooler
Engine coolant pump
Charge-air coolant pump
34 | Operation | MS150054/02E 2012-02
Task
Check readings of operational data (speed, temperature, pressures).
Check engine oil level (→ Page 102).
Check engine visually for leaks and general condition;
Check for abnormal running noise, exhaust discoloration and vibrations
(→ Page 40).
Check battery-charging generator for contamination, clean as necessa‐
ry (→ Page 134).
Check differential pressure indication at gauge (if fitted).
Check exhaust color (→ Page 40).
Drain water and contaminants at the drain cock of fuel prefilter (if fitted)
(→ Page 88)
Check reading on vacuum gauge of fuel prefilter (if fitted).
Check condensate drain(s) for water discharge and obstruction
(→ Page 93).
Check relief bore (→ Page 123).
Check relief bore (→ Page 132).