6 Maintenance
6.1 Maintenance task reference table [QL1]
The maintenance tasks and intervals for this product are defined in the Maintenance Schedule. The Mainte-
nance 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 98)
W0501 Visually inspect engine for leaks and general condition. (→ Page 47)
W0502 Check intercooler drain(s). (→ Page 47)
W0503 Check service indicator of air filter. (→ Page 47)
W0505 Check relief bores of coolant pump(s). (→ Page 47)
W0506 Check engine for abnormal running noises, exhaust color and
vibrations.
(→ Page 47)
W0507 Drain water and contaminants from fuel prefilter. (→ Page 47)
W0508 Check reading on differential pressure gage of fuel prefilter. (→ Page 47)
W1001 Replace fuel filter or fuel filter element. (→ Page 84)
W1005 Replace air filter. (→ Page 94)
W1006 Replace fuel injectors. (→ Page 80)
W1008 Replace engine oil filter when changing engine oil, or when the
interval (years) is reached, at the latest.
(→ Page 100)
W1009 Check layer thickness of oil residue, clean and replace filter
sleeve, at every oil change, at the latest.
(→ Page 102)
W1011 Perform endoscopic examination. (→ Page 69)
W1036 Replace coolant filter. (→ Page 116)
W1046 Replace filter or filter element (→ Page 74)
W1140 Clean wire meshes of crankcase breather. (→ Page 73)
W1207 Check valve clearance, adjust is necessary. ATTENTION! First
adjustment after 1,000 operating hours on a new engine and
after 1,000 following each overhaul of the cylinder heads.
(→ Page 76)
W1244 Check function of rod electrode. (→ Page 122)
W1245 Check alarm function of differential pressure gauge. (→ Page 121)
W1246 Check pump capacity. (→ Page 123)
Table 2: Maintenance task reference table [QL1]
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