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
Option
Maintenance tasks
W0500
Check engine oil level.
(→ Page 71)
W0501
Visually inspect engine for leaks and general
condition.
(→ Page 30)
W0502
X
Check intercooler drain(s).
(→ Page 30)
W0503
Check signal ring position of maintenance indi-
cator on air filter.
(→ Page 30)
W0505
Check relief bores of coolant pump(s).
(→ Page 30)
W0506
Check engine for abnormal running noises, ex-
haust color and vibrations.
(→ Page 30)
W0507
X
Drain water and contaminants from fuel prefil-
ter.
(→ Page 30)
W0508
X
Check reading on differential pressure gage of
fuel prefilter.
(→ Page 30)
W1001
Replace fuel filter or fuel filter element.
(→ Page 60)
W1003
Check belt condition and tension, replace if
necessary.
(→ Page 95)
W1005
Replace air filter.
(→ Page 66)
W1006
Replace fuel injectors.
(→ Page 48)
W1008
Replace engine oil filter when changing engine
oil, or when the interval (years) is reached, at
the latest.
(→ Page 73)
W1009
X
Check layer thickness of the oil residue, clean
out and replace filter sleeve when changing en-
gine oil at the latest.
(→ Page 74)
W1178
Replace pressure pipe neck in cylinder head.
(→ Page 55)
W1207
Check and adjust valve clearance. IMPORTANT!
First adjustment after 1,000 operating hours.
(→ Page 45)
W1244
X
Check function of rod electrode.
(→ Page 102)
W1245
X
Check alarm function of differential pressure
gage.
(→ Page 101)
W1246
X
Check pump capacity.
(→ Page 103)
W1523
Check operation of flaps and actuators.
(→ Page 70)
W1525
Replace sensor.
(→ Page 113)
W1526
Replace sensor.
(→ Page 111)
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