Maintenance; Maintenance Task Reference Table [Ql1] - MTU 16V4000M73 Operating Instructions Manual

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 standalone publication.
The task numbers in this table provide reference to the maintenance tasks specified in the Maintenance
Schedule.
Task Measures
W0500 Check engine oil level.
W0501 Visually inspect engine for leaks and general condition.
W0503 X Check signal ring position of maintenance indicator on air filter.
W0505 Check relief bores of water pump(s).
W0506 Check engine for abnormal running noises, exhaust color and vibrations. (→ Page 63)
W0507 X Drain water and contaminants from fuel prefilter.
W0508 X Check reading on differential pressure gauge of fuel prefilter.
W1001 Replace fuel filter or fuel filter element.
W1005 X Replace air filter.
W1006 Replace fuel injectors.
W1008 X Replace engine oil filter when changing engine oil, or when the interval
(years) is reached, at the latest.
W1009 Measure thickness of oil residue layer, clean, replace filter sleeve - at
each engine oil change, at the latest.
W1011 Perform endoscopic examination.
W1016 X Battery-charging generator: Check condition of coupling.
W1055 X Crankcase breather: Replace oil separator.
W1207 Check valve clearance and adjust if necessary. IMPORTANT! First adjust-
ment after 1,000 operating hours on a new engine and 1,000 operating
hours following each overhaul of the cylinder heads.
W1244 X Fuel treatment system: Check function of rod electrode.
W1245 X Fuel treatment system: Check alarm function of differential pressure
gauge.
W1246 X Fuel treatment system: Check pump capacity.
W1296 X Coolant expansion tank: Replace valve.
W1380 X Fuel treatment system: Replace filter element .
W1477 X Overhaul preheating unit.
W1519 Engine mounting: Check securing screws for secure seating.
W1675 X Replace fuel prefilter or filter element of fuel prefilter.
W1689 Measure valve protrusion.
W1713 Injector: Reset drift correction (CDC) parameters.
W1864 X Check and clean oil indicator filter.
W4172 Engine mounting: Check general condition of resilient mounts (visual in-
spection).
SCR system
MS150123/01E 2017-05 | Maintenance | 81
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