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
W0501
Visually inspect engine for leaks and general condition.
(→ Page 42)
W0509
Check machine room for smell of gas.
(→ Page 130)
W0523
Check for abnormal running noises and vibrations.
-
W0527
Check engine oil level in storage tank.
(→ Page 153)
W1002
Check valve clearance, adjust if 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)
W1089
Check gas lines for leaks, repair if required.
(→ Page 150)
W1091
Check ignition timing, adjust if required.
(→ Page 141)
W1341
Check emission values, adjust if required.
(→ Page 43)
W1382
Replace vent line of engine coolant circuit (8/12/16V only).
(→ Page 162)
W1616
Replace spark plugs and seal in spark plug connector.
(→ Page 133)
W1688
Replace spark plug connectors.
(→ Page 137)
W1689
Measure valve depth.
(→ Page 142)
W1798
Replace fine filter.
(→ Page 131)
W1813
Carry out visual inspection when replacing air filters.
(→ Page 152)
Table 39: Maintenance task reference table [QL1]
50 | Maintenance | MS150114/01E 2015-03
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