6 Maintenance
6.1 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 105)
W0501
Visually inspect engine for leaks and general condition.
(→ Page 47)
W0502
X Check intercooler drain(s).
(→ Page 100)
W0503
Check maintenance indicator of air filter.
(→ Page 103)
W0504
Check HP fuel pump telltale bores.
(→ Page 47)
W0505
Check relief bores of water pump(s).
(→ Page 116)
W0506
Check engine for abnormal running noises, exhaust color
and vibrations.
(→ Page 47)
W0507
X Drain water and contaminants from fuel prefilter.
(→ Page 47)
W0508
X Check reading on differential pressure gage of fuel prefilter. (→ Page 47)
W1001
Replace fuel filter or fuel filter element.
(→ Page 92)
W1002
Check and adjust valve clearance.
(→ Page 79)
W1003
Check belt condition and tension, replace if necessary.
(→ Page 123)
W1005
Replace air filter.
(→ Page 101)
W1006
Replace fuel injectors.
(→ Page 85)
W1008
Replace engine oil filter when changing engine oil, or when
the interval (years) is reached, at the latest.
(→ Page 108)
W1009
X Clean centrifugal oil filter, measure thickness of oil residue
layer, replace filter sleeve, every time oil is changed at the
latest.
(→ Page 109)
W1011
Perform endoscopic examination.
(→ Page 71)
Table 2: Maintenance task reference table [QL1]
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