5.2 Maintenance task reference table [QL1], application group 3D
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 73)
W0501
Visually inspect engine for leaks and general condition.
(→ Page 30)
W0502
Check intercooler drain(s).
(→ Page 30)
W0503
Check maintenance indicator of 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 gage of fuel prefilter.
(→ Page 30)
W0534
Carry out test run, minimum duration: until steady-state tem-
perature is reached, no less than 1/3 load (monthly).
(→ Page 42)
W1001
Replace fuel filter or fuel filter element.
(→ Page 62)
W1003
Check belt condition and tension, replace if necessary.
(→ Page 104)
W1005
Replace air filter.
(→ Page 68)
W1006
Replace fuel injectors.
(→ Page 51)
W1008
Replace engine oil filter when changing engine oil, or when the
interval (years) is reached, at the latest.
(→ Page 75)
W1010
Check exterior of cooler elements for dirt.
(→ Page 102)
W1011
Perform endoscopic examination.
(→ Page 43)
W1178
Replace pressure pipe neck in cylinder head.
(→ Page 58)
W1207
Check valve clearance, adjust if necessary. ATTENTION! First
adjustment after 1,000 operating hours on a new engine and
after 1,000 after each overhaul of the cylinder heads.
(→ Page 48)
W1636
Reset drift compensation parameters (CDC) and enter codes of
injectors (IIG).
(→ Page 57)
Table 5: Maintenance task reference table [QL1]
36 | Maintenance | MS150117/01E 2014-10
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