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 52)
W0501 Visually inspect engine for leaks and general condition (→ Page 52)
W0502 Check intercooler drain (if fitted) (→ Page 52)
W0503 Check air filter service indicator (→ Page 52)
W0505 Check relief bores of coolant pump(s) (→ Page 52)
W0506 Check engine for abnormal running noises, exhaust color
and vibrations
(→ Page 52)
W0507 Drain water and dirt from fuel prefilter (if fitted) (→ Page 52)
W0508 Check reading on differential pressure gauge of fuel prefilter
(if fitted)
(→ Page 52)
W1001 Replace fuel filter or fuel filter element (→ Page 89)
W1002 Check valve clearance (→ Page 81)
W1003 Check drive belt condition and tension, replace as necessary (→ Page 123)
W1005 Replace air filter (→ Operating Instructions)
W1006 Replace fuel injectors (→ Page 85)
W1008 Replace engine oil filter at each oil change or when the time
limit (years) is reached, at the latest
(→ Page 104)
W1009 Check layer thickness of oil residue, clean and replace filter
sleeve (if fitted)
(→ Page 106)
W1011 Perform endoscopic inspection of combustion chambers (→ Page 74)
W1036 Replace coolant filter (→ Page 121)
W1139 Replace paper or knitted fabric insert (if fitted) of oil mist sep‐
arator.
(→ Page 79)
W1140 Clean wire meshes of crankcase breather (→ Page 78)
W1244 Check operation of rod electrode (if fitted) (→ Page 127)
W1245 Check alarm function of differential-pressure gauge(if fitted) (→ Page 126)
W1246 Check pump capacity (if fitted) (→ Page 128)
Table 1: Maintenance task reference table [QL1]
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