5 Maintenance
5.1 Maintenance task reference table [QL1]
The maintenance tasks and intervals for this product are defined in the Maintenance Schedule. The Mainte-
nance 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.
(→ Page 219)
W0501
Visually inspect engine for leaks and general condition.
(→ Page 76)
W0503
X Check maintenance indicator of air filter.
(→ Page 217)
W0504
Check telltale bores of HP fuel pump.
(→ Page 76)
W0505
Check relief bores of coolant pump(s).
(→ Page 239)
W0506
Check engine for abnormal running noises, exhaust color
and vibrations.
(→ Page 76)
W0507
X Drain water and contaminants from fuel prefilter.
(→ Page 76)
W0508
X Check reading on differential pressure gauge of fuel prefil-
ter.
(→ Page 76)
W1001
Replace fuel filter or fuel filter element.
(→ Page 198)
W1005
Replace air filter.
(→ Page 215)
W1006
Replace fuel injectors.
(→ Page 186)
W1008
X Replace engine oil filter when changing engine oil, or when
the interval (years) is reached, at the latest.
(→ Page 226)
W1009
X Check layer thickness of the oil residue, clean out and re-
place filter sleeve during every oil change at the latest.
(→ Page 231)
W1011
Perform endoscopic examination.
(→ Page 175)
W1016
X Check condition of coupling.
(→ Page 245)
W1047
X Check and clean oil indicator filter.
(→ Page 220)
W1076
Clean compressor wheel.
(→ Page 209)
W1207
Check valve clearance, adjust as necessary. IMPORTANT!
First adjustment after 1,000 operating hours, and after
1,000 operating hours following cylinder head overhaul.
(→ Page 181)
W1244
X Check function of rod electrode.
(→ Page 250)
W1245
X Check alarm function of differential pressure gauge.
(→ Page 249)
W1246
X Check pump capacity.
(→ Page 251)
W1463
Check general condition of engine mounting (visual inspec-
tion).
(→ Page 246)
W1481
X Replace intermediate fuel filter or filter element.
(→ Page 196)
W1675
X Replace fuel prefilter or fuel prefilter element.
(→ Page 205)
W1713
Injector: Reset drift correction parameter (CDC).
(→ Page 255)
Table 2: Maintenance task reference table [QL1]
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