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5 Maintenance
5.1 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
Option
Maintenance tasks
W0500
Check engine oil level.
W0501
Visually inspect engine for leaks and general condition. (→ Page 72)
W0502
X
Check intercooler drain(s).
W0503
Check signal ring position of service indicator on air fil‐
ter.
W0505
Check relief bores of water pump(s).
W0506
Check engine for abnormal running noises, exhaust col‐
or and vibrations.
W0507
X
Drain water and contaminants from fuel prefilter.
W0508
X
Check reading on differential pressure gage of fuel pre‐
filter.
W0534
Carry out test run, minimum duration: until steady-state
temperature is reached, no less than 1/3 load (monthly).
W1001
Replace fuel filter or fuel filter element.
W1005
Replace air filter.
W1006
Replace fuel injectors.
W1008
Replace engine oil filter when changing engine oil, or
when the interval (years) is reached, at the latest.
W1009
X
Check layer thickness of the oil residue, clean out and
replace filter sleeve.
W1011
Perform endoscopic examination.
W1046
Crankcase breather: Replace filter or filter element.
W1207
Check and adjust valve clearance. Attention!First adjust‐
ment after 1,000 operating hours.
W1241
Check condition of belt drive and replace if necessary;
adjust belt tension.
W1463
Check general condition of engine mounting (visual in‐
spection).
W1714
X
Check and clean oil indicator filter.
Table 1: Maintenance task reference table [QL1]
78 | Maintenance | M015710/04E 2012-09
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