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
Maintenance tasks
W0500
Check engine oil level.
(→ Page 153)
W0501
Visually inspect engine for leaks and general condition.
(→ Page 42)
W0509
Check machine room for smell of gas.
(→ Page 129)
W0523
Check for abnormal running noises and vibrations.
-
W1002
Check valve clearance, adjust as necessary.
(→ Page 145)
W1005
Replace air filter.
(→ Page 151)
W1008
Replace engine oil filter when changing engine oil, or when the
interval (years) is reached, at the latest.
(→ Page 156)
W1046
Replace filter or filter element.
(→ Page 131)
W1089
Check gas lines for leaks, seal if required.
(→ Page 150)
W1091
Check ignition timing, adjust as necessary.
(→ Page 141)
W1341
Check exhaust emissions, adjust if required.
(→ Page 43)
W1382
Replace coolant vent line in engine coolant circuit (8/12/16V
only).
(→ Page 162)
W1525
Replace sensor.
(→ Page 172)
W1616
Replace spark plug and seal in spark plug connector.
(→ Page 133)
W1688
Replace spark plug connector.
(→ Page 137)
W1689
Measure valve projection.
(→ Page 142)
W1799
Replace coarse filter (coalescer filter).
(→ Page 131)
Table 39: Maintenance task reference table [QL1]
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