Maintenance Schedule – Application Group 3B 4 – 07
Maintenance tasks
Mainte-
nance
level
Interval
(hours/years)
Item Maintenance tasks
W2 0/2 Engine oil filter Replace when changing the oil or when the
interval/years is reached, at the latest (→ Page 6 – 42).
W2 3000 / 2 Belt drive Check drive belt condition and tension, replace if
necessary:
• Battery-charging generator drive (→ Page 6 – 56)
• Ventilator drive (→ Page 6 – 57).
W3 500 / - Valve gear Check valve clearance (→ Page 6 – 10).
W3 500 / 1 Coolant cooler Check cooler elements for external contamination (see
manufacturer’s documentation).
W3 500 / 2 Fuel filter Replace fuel filter or fuel filter element (→ Page 6 – 32).
W4 3000 / - Fuel injectors Replace injectors (→ Page 6 – 18).
W4 3000 / 3 Air filter Replace air filter (→ Page 6 – 35).
W4 3000 / 4 Combustion
chambers
Perform endoscopic examination (→ Page 6 – 04).
W4 6000 / - Fuel injection pumps Replace fuel injection pumps (→ Page 6 – 14).
M015560/00E 03-05 ©MTU
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