Operating instructions

  2 Maintenance Schedule  Application Groups 3C and 3D

4.2 Maintenance Schedule  Application Groups 3C and 3D

4.2.1 Maintenance schedule

Application group

3C: Continuous operation, limited (peak-shaving)

3D: Standby operation

MTU maintenance levels

Maintenance level Time limit Operating hours Scope of maintenance

W2 6 months 250 W2

W3 1 year 500 W2, W3

W4 4 years 1500 W2, W3, W4

The maintenance operations must be carried out in the following cases:

 when the time limit specified by MTU is reached;

 when the number of operating hours as per MTU maintenance level (W) is reached;

 additionally, a test run must be carried out every month. (

Page 6  2).

Maintenance task schedule

W Item Task

W2 Air system Check air intake for leaks.

W2 Engine oil Take sample of used oil and analyze ( Page 6  33).

W2 Engine oil Change ( Page 6  34)

 Every 2 years

 At the latest:

With oil category 1 every 250 operating hours;

With oil category 2 every 500 operating hours;

W2 Engine oil filter Replace, accomplish when changing the oil.

(

Page 6  36).

W3 Valve gear Check valve clearances ( Page 6  8).

W3 Fuel filter Replace ( Page 6  22).

W3 Fuel prefilter Replace filter element ( Page 6  27).

W3 Fuel prefilter Clean( Page 6  23).

W3 Exhaust system Check for leaks.

W3 Engine coolant Take sample and analyze ( Page 6  42).

W3 HT coolant pump Check relief bore for oil and coolant discharge and

obstructions (

Page 6  43).

W3 Charge-air coolant Take sample and analyze ( Page 6  48).

W3 LT coolant pump Check relief bore for oil and water discharge and

obstructions ( Page 6  49).