Technical data

Maintenance Schedule – Application G roup 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 f uel 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).