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 110)
W1526
Replace Lambda sensor.
(→ Page 110)
W1547
Replace oil mist separator.
(→ Page 43)
W1636
Reset drift correction parameters (CDC) and enter coding of
injectors (IIG).
(→ Page 117)
Table 1: Maintenance task reference table [QL1]
36 | Maintenance | MS150094/01E 2012-08
TIM-ID: 0000022887 - 003
