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 Measures
W0500 Check engine oil level (→ Page 94)
W0501 Visually inspect engine for leaks and general condition (→ Page 44)
W0502 Check intercooler drain (if applicable) (→ Page 44)
W0503 Check maintenance indicator of air filter (→ Page 44)
W0505 Check relief bores of coolant pump(s) (→ Page 44)
W0506 Check engine for abnormal running noises, exhaust color
and vibrations
(→ Page 44)
W0507 Drain water and dirt from fuel prefilter (if fitted) (→ Page 44)
W0508 Check contamination indicator of fuel prefilter (if fitted) (→ Page 44)
W1001 Replace fuel filter or fuel filter element (→ Page 81)
W1002 Check valve clearance (→ Page 73)
W1003 Check drive belt condition and tension, replace if necessary (→ Page 114)
W1005 Replace air filter (→ Page 90)
W1006 Replace fuel injectors (→ Page 77)
W1008 Replace engine oil filter at each oil change or when the time
limit (years) is reached, at the latest
(→ Page 96)
W1009 Check layer thickness of oil residue, clean and replace filter
sleeve (if fitted) during every oil change at the latest (if fitted)
(→ Page 98)
W1011 Perform endoscopic inspection of combustion chambers (→ Page 66)
W1036 Replace coolant filter (→ Page 112)
W1139 Replace paper or knitted fabric insert (if installed) of oil mist
separator
(→ Page 71)
W1140 Clean wire meshes of crankcase breather (→ Page 70)
W1244 Check operation of rod electrode (if fitted) (→ Page 118)
W1245 Differential-pressure gauge, check alarm function (if applica‐
ble)
(→ Page 117)
W1246 Check pump performance (if applicable) (→ Page 119)
Table 1: Maintenance task reference table [QL1]
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