Operating instructions

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 97)
W0501 Visually inspect engine for leaks and general condition (→ Page 47)
W0502 Check intercooler drain (if fitted) (→ Page 92)
W0503 Check signal ring position of service indicator on air filter (→ Page 95)
W0505 Check relief bores of coolant pump(s) (→ Page 114)
W0506 Check engine for abnormal running noises, exhaust color
and vibrations
(→ Page 47)
W0507 Drain water and contaminants from fuel prefilter (if fitted) (→ Page 87)
W0508 Check reading on differential pressure gauge of fuel prefilter
(if fitted)
(→ Page 86)
W1001 Replace fuel filter or fuel filter element (→ Page 84)
W1002 Check valve clearance (→ Page 76)
W1005 Replace air filter (→ Page 93)
W1006 Replace fuel injectors (→ Page 80)
W1008 Replace engine oil filter at each oil change or when the time
limit (years) is reached, at the latest
(→ Page 99)
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
(→ Page 101)
W1011 Perform endoscopic inspection of combustion chambers (→ Page 69)
W1036 Replace coolant filter (→ Page 116)
W1140 Clean wire meshes of crankcase breather (→ Page 73)
W1244 Check operation of rod electrode (if fitted) (→ Page 122)
W1245 Check alarm function of differential pressure gauge (if fitted) (→ Page 121)
W1246 Check pump capacity (if fitted) (→ Page 123)
Table 1: Maintenance task reference table [QL1]
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