5.2 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
Measures
W0501
Visually inspect engine for leaks and general condition
(→ Page 41)
W0509
Check machine room for smell of gas
(→ Page 134)
W0523
Check for abnormal running noises and vibrations
–
W0527
Check engine oil level in storage tank
(→ Page 155)
W1002
Check valve clearance
(→ Page 145)
W1005
Replace air filter
(→ Page 153)
W1008
Replace engine oil filter at each oil change or when the time
limit (years) is reached, at the latest
(→ Page 158)
W1046
Crankcase breather: Replace filter or filter element
(→ Page 135)
W1089
Check gas lines for leaks, seal if required
(→ Page 152)
W1091
Check ignition timing, readjust as necessary
(→ Page 137)
W1168
Replace spark plugs
(→ Page 139)
W1341
Check exhaust emissions, adjust if required
–
W1382
Replace vent line of engine coolant circuit (8/12/16V only)
(→ Page 164)
W1688
Replace spark plug connectors
(→ Page 138)
W1689
Measure valve depth
(→ Page 148)
Table 33: Maintenance task reference table [QL1]
MS150059/01E 2012-07 | Maintenance | 47
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