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 | Maintenance | 67
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