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 116)
W0501 Visually inspect engine for leaks and general condition. (→ Page 37)
W0502 Check intercooler drain. (→ Page 111)
W0503 Check service indicator of air filter. (→ Page 114)
W0505 Check relief bores of coolant pump(s). (→ Page 124)
W0506 Check engine for abnormal running noises, exhaust color and
vibrations.
(→ Page 37)
W0507 Drain water and contaminants from fuel prefilter. (→ Page 104)
W0508 Check reading on differential pressure gage of fuel prefilter. (→ Page 103)
W0534 Carry out test run, minimum duration: until steady-state tem-
perature is reached, no less than 1/3 load (monthly).
(→ Page 72)
W1001 Replace fuel filter or fuel filter element. (→ Page 102)
W1002 Check valve clearance. (→ Page 80)
W1003 Check belt condition and tension, replace if necessary. (→ Page 132)
W1005 Replace air filter. (→ Page 112)
W1006 Replace injectors. (→ Page 88)
W1007 Replace fuel injection pump(s). (→ Page 85)
W1008 Replace engine oil filter when changing engine oil, or when the
time limit (years) is reached, at the latest.
(→ Page 118)
W1010 Coolant cooler: Check exterior of cooler elements for dirt. (→ Page 130)
W1011 Perform endoscopic examination. (→ Page 73)
W1056 Replace fuel pressure maintaining valve. (→ Page 99)
W1178 Replace pressure pipe neck in cylinder head. (→ Page 94)
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