Maintenance; Maintenance Task Reference Table [Ql1] - MTU 12V2000M91 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 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
W0501 Visually inspect engine for leaks and general condition
W0502 Check intercooler drain (if fitted)
W0503 Check signal ring position of service indicator on air filter
W0505 Check relief bores of coolant pump(s)
W0506 Check engine for abnormal running noises, exhaust color and
vibrations
W0507 Drain water and contaminants from fuel prefilter (if fitted)
W0508 Check reading on differential pressure gauge of fuel prefilter (if
fitted)
W1001 Replace fuel filter or fuel filter element
W1002 Check valve clearance
W1003 Check belt condition and tension, replace if necessary
W1005 Replace air filter
W1006 Replace fuel injectors
W1007 Replace fuel injection pump(s)
W1008 Replace engine oil filter at each oil change or when the time
limit (years) is reached, at the latest
W1009 Check layer thickness of oil residue, clean and replace filter
sleeve (if fitted) at each oil change or when the time limit
(years) is reached, at the latest
W1011 Perform endoscopic inspection of combustion chambers
W1140 Clean wire meshes of crankcase breather
W1178 Replace pressure pipe neck in cylinder head
Table 2: Maintenance task reference table [QL1]
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