4.2 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 157)
W0501
Visually inspect engine for leaks and general condition.
(→ Page 45)
W0509
Check machine room for smell of gas.
(→ Page 134)
W0523
Check for abnormal running noises and vibrations.
-
W1002
Check clearance, adjust if necessary.
(→ Page 149)
W1005
Replace air filter.
(→ Page 155)
W1008
Replace engine oil filter when changing engine oil, or when
the time limit (years) is reached, at the latest.
(→ Page 160)
W1046
Replace filter or filter element.
(→ Page 135)
W1089
Check gas lines for leaks, repair if required.
(→ Page 154)
W1091
Check ignition timing, adjust as necessary.
(→ Page 145)
W1341
Check emission values, adjust if necessary.
(→ Page 46)
W1382
X Replace coolant vent line in engine coolant circuit (only 8V/
12V /16V).
-
W1525
X Replace sensor.
(→ Page 176)
W1616
Replace spark plugs and seal in spark plug connector.
(→ Page 137)
W1688
Replace spark plug connector.
(→ Page 141)
W1689
Measure valve protrusion.
(→ Page 146)
W1799
Replace coarse filter (coalescence filter).
(→ Page 135)
Table 39: Maintenance task reference table [QL1]
MS150121/00E 2015-07
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