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 103)
W0501 Visually inspect engine for leaks and general condition. (→ Page 51)
W0502 Check charge-air cooler drain(s). (→ Page 51)
W0503 Check service indicator of air filter. (→ Page 51)
W0505 Check relief bores of water pump(s). (→ Page 51)
W0506 Check engine for abnormal running noises, exhaust color
and vibrations.
(→ Page 51)
W0507 X Drain water and contaminants from fuel prefilter. (→ Page 51)
W0508 X Check reading on contamination indicator of fuel prefilter. (→ Page 51)
W1001 Replace fuel filter or fuel filter element. (→ Page 88)
W1005 Replace air filter. (→ Page 99)
W1006 Replace fuel injectors. (→ Page 84)
W1008 Replace engine oil filter when changing engine oil, or when
the interval (years) is reached, at the latest.
(→ Page 105)
W1009 X Check layer thickness of oil residue, clean and replace filter
sleeve, at every oil change, at the latest.
(→ Page 107)
W1011 Perform endoscopic examination. (→ Page 73)
W1036 Replace coolant filter. (→ Page 121)
W1046 Replace filter or filter element. (→ Page 78)
W1140 Clean wire meshes of crankcase breather. (→ Page 77)
W1207 Check valve clearance and adjust if necessary. IMPORTANT!
Initial setting after 1,000 operating hours and after every
overhaul of the cylinder heads after 1,000 operating hours.
(→ Page 80)
W1244 X Check function of rod electrode. (→ Page 127)
W1245 X Check alarm function of differential pressure gauge. (→ Page 126)
W1246 X Check pump capacity. (→ Page 128)
Table 2: Maintenance task reference table [QL1]
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