Operating instructions

4 Maintenance
4.1 Maintenance task reference table [QL1]
The maintenance tasks and intervals for this product are defined in the Maintenance Schedule. The
Maintenance Schedule is a stand-alone publication.
The task numbers in this table provide reference to the maintenance tasks specified in the Maintenance
Schedule.
Task Maintenance tasks
W0500 Check engine oil level. (→ Page 69)
W0501 Visually inspect engine for leaks and general condition. (→ Page 30)
W0502 Check intercooler drain(s). (→ Page 30)
W0503 Check signal ring position of service indicator on air filter. (→ Page 30)
W0505 Check relief bores of water pump(s). (→ Page 30)
W0506 Check engine for abnormal running noises, exhaust color
and vibrations.
(→ Page 30)
W0507 Drain water and contaminants from fuel prefilter. (→ Page 30)
W0508 Check reading on differential pressure gauge of fuel prefilter. (→ Page 30)
W1001 Replace fuel filter or fuel filter element. (→ Page 58)
W1003 Check drive belt condition and tension, replace if necessary. (→ Page 94)
W1005 Replace air filter. (→ Page 65)
W1006 Replace fuel injectors. (→ Page 48)
W1008 Replace engine oil filter when changing engine oil, or when
the interval (years) is reached, at the latest.
(→ Page 71)
W1009 Check layer thickness of the oil residue, clean out and re‐
place filter sleeve, at each oil change, at the latest.
(→ Page 72)
W1178 Replace pressure pipe neck in cylinder head. (→ Page 54)
W1207 Check valve clearance, adjust if necessary. Attention!First
adjustment after 1,000operating hours!
(→ Page 44)
W1244 Check function of rod electrode. (→ Page 101)
W1245 Check alarm function of differential pressure gauge. (→ Page 100)
W1246 Check pump capacity. (→ Page 102)
W1523 Check operation of flaps and actuators. (→ Page 68)
W1525 Replace NOx sensor. (→ Page 107)
W1526 Replace Lambda sensor. (→ Page 107)
W1547 Replace oil mist separator. (→ Page 43)
W1636 Reset drift correction parameters (CDC) and enter coding of
injectors (IIG).
(→ Page 114)
Table 1: Maintenance task reference table [QL1]
36 | Maintenance | MS150095/01E 2012-08
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