5 Maintenance
5.1 Maintenance task reference table [QL1]
The required 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 154)
W0501 Visually inspect engine for leaks and general condition.
W0502 X Check charge-air cooler drain. (→ Page 140)
W0505 Check relief bores of coolant pump(s). (→ Page 170)
(→ Page 180)
W0506 Check engine for abnormal running noises, exhaust color
and vibrations.
(→ Page 28)
W0507 X Drain water and contaminants from fuel prefilter.
W0508 X Check reading on differential pressure gauge of fuel prefil-
ter.
W1001 Replace fuel filter or fuel filter element. (→ Page 123)
W1006 Replace fuel injectors. (→ Page 117)
W1008 X Replace engine oil filter when changing engine oil, or
when the interval (years) is reached, at the latest.
(→ Page 158)
W1009 Check layer thickness of the oil residue, clean out and re-
place filter sleeve after every oil change at the latest.
(→ Page 160)
W1011 Perform endoscopic examination of cylinder chambers. (→ Page 103)
W1207 Check valve clearance and adjust if necessary. IMPOR-
TANT! First adjustment after 1,000 operating hours.
(→ Page 112)
W1241 Check condition of belt drive and replace if necessary; ad-
just belt tension.
(→ Page 181)
W1481 Replace fuel intermediate filter or filter element. (→ Page 124)
W1525 Replace sensor. (→ Page 195)
W1526 Replace sensor. (→ Page 197)
W1581 Replace impactors. (→ Page 107)
W1610 Check securing screws of trunnion bearings for secure
seating.
(→ Page 188)
W1636 Enter parameters for drift correction (CDC) and coding for
the injectors (IIG).
(→ Page 190)
W1735 Replace auxiliary PTO. (→ Page 102)
W1817 Check clearance of coupling rod of EGR flaps and replace
if necessary.
(→ Page 147)
(→ Page 149)
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