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
Option
Maintenance tasks
W0500
Check engine oil level.
(→ Page 213)
W0501
Visually inspect engine for leaks and general condition.
(→ Page 80)
W0502
Check intercooler drain(s).
(→ Page 208)
W0503
Check maintenance indicator of air filter.
(→ Page 211)
W0504
Check telltale bores of HP fuel pump .
(→ Page 80)
W0505
Check relief bores of water pump(s).
(→ Page 236)
W0506
Check engine for abnormal running noises, exhaust color
and vibrations.
(→ Page 80)
W0507
Drain water and contaminants from fuel prefilter.
(→ Page 80)
W0508
X Check reading on differential pressure gage of fuel prefilter. (→ Page 80)
W1001
Replace fuel filter or fuel filter element.
(→ Page 189)
W1005
X Replace air filter.
(→ Page 209)
W1006
Replace fuel injectors.
(→ Page 181)
W1008
X Replace engine oil filter when changing engine oil, or when
the interval (years) is reached, at the latest.
(→ Page 218)
W1009
Check layer thickness of the oil residue, clean out and re-
place filter sleeve each time the oil is changed at the latest.
(→ Page 222)
W1011
Perform endoscopic examination.
(→ Page 167)
W1016
X Check condition of coupling.
(→ Page 246)
W1047
X Check and clean oil indicator filter.
(→ Page 220)
W1076
Clean compressor wheel.
(→ Page 200)
W1207
Check valve clearance and adjust as necessary. ATTENTION!
First adjustment after 1,000 operating hours and after 1,000
operating hours following cylinder head overhaul.
(→ Page 175)
W1244
X Check function of rod electrode.
(→ Page 250)
W1245
X Check alarm function of differential pressure gage.
(→ Page 249)
W1246
X Check pump capacity.
(→ Page 251)
W1463
Check general condition of engine mounting (visual inspec-
tion).
(→ Page 245)
W1477
X Overhaul preheater.
(→ Page 242)
W1481
Replace intermediate fuel filter or intermediate fuel filter ele-
ment.
(→ Page 188)
W1581
X Replace impactors.
(→ Page 173)
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