5 Maintenance
5.1 Maintenance task reference table [QL1]
The 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
Maintenance tasks
W0500
Check engine oil level
(→ Page 110)
W0501
Visually check engine for leaks and general condition
(→ Page 59)
W0502
Check intercooler drain (if applicable)
(→ Page 59)
W0503
Check service indicator on air filter
(→ Page 59)
W0505
Check relief bores of coolant pump(s)
(→ Page 59)
W0506
Check for abnormal running noises, exhaust discoloration and
vibrations
(→ Page 59)
W0507
Drain water and dirt from fuel prefilter (if fitted)
(→ Page 59)
W0508
Check reading on differential pressure gage of fuel prefilter (if
fitted)
(→ Page 59)
W1001
Replace fuel filter or fuel filter element
(→ Page 96)
W1002
Check valve clearance
(→ Page 88)
W1003
Check condition and tension of drive belt, replace belt if re-
quired
(→ Page 129)
W1005
Replace air filter
(→ Page 106)
W1006
Replace fuel injectors
(→ Page 92)
W1008
Replace engine oil filter at each oil change or when the time
limit (years) is reached, at the latest
(→ Page 112)
W1009
Check layer thickness of oil residue, clean and replace filter
sleeve, at every oil change, at the latest (if fitted)
(→ Page 114)
W1011
Perform endoscopic inspection of combustion chambers
(→ Page 81)
W1036
Replace coolant filter
(→ Page 127)
W1139
Replace paper or knitted fabric insert (if fitted) of oil mist sepa-
rator
(→ Page 86)
W1140
Clean wire meshes of crankcase breather
(→ Page 85)
W1244
Check operation of rod electrode (if fitted)
(→ Page 133)
W1245
Differential-pressure gage, check alarm function (if fitted)
(→ Page 132)
W1246
Check pump capacity (if fitted)
(→ Page 134)
Table 2: Maintenance task reference table [QL1]
M015655/05E 2015-06
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