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 118)
W0501 Visually inspect engine for leaks and general condition. (→ Page 56)
W0502 Check charge-air cooler drain(s). (→ Page 111)
W0503 Check maintenance indicator of air filter. (→ Page 116)
W0505 Check relief bores of coolant pump(s). (→ Page 130)
W0506 Check engine for abnormal running noises, exhaust color
and vibrations.
(→ Page 56)
W0507 X Drain water and contaminants from fuel prefilter. (→ Page 102)
W0508 X Check reading on differential pressure gauge of fuel prefil-
ter.
(→ Page 100)
W0800 Check for presence, readability and content of emission la-
bel.
(→ Page 57)
W1001 Replace fuel filter or fuel filter element. (→ Page 97)
W1002 Check valve clearance and adjust as necessary. (→ Page 84)
W1005 Replace air filter. (→ Page 114)
W1006 Replace fuel injectors. (→ Page 88)
W1008 Replace engine oil filter when changing engine oil, or when
the interval (years) is reached, at the latest.
(→ Page 120)
W1011 Perform endoscopic examination. (→ Page 81)
W1026 Check buffer clearance of resilient mounts, check securing
screws for secure seating.
(→ Page 134)
W1244 X Check function of rod electrode. (→ Page 143)
W1245 X Check alarm function of differential pressure gauge. (→ Page 141)
W1246 X Check pump capacity. (→ Page 142)
W1296 Replace breather valve. (→ Page 132)
W1463 Check general condition of engine mounting (visual inspec-
tion).
(→ Page 134)
W1636 Reset parameters of drift correction (CDC) and enter coding
for injectors (IIG).
(→ Page 144)
W1675 X Replace fuel prefilter or fuel prefilter element. (→ Page 108)
Table 2: Maintenance task reference table [QL1]
62 | Maintenance | MS150119/01E 2016-02
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