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
Measures
W0501
Visually inspect engine for leaks and general condi-
tion.
(→ Page 44)
W0509
Check machine room for smell of gas.
(→ Page 138)
W0523
Check for abnormal running noises and vibrations.
-
W0527
Check engine oil level in storage tank.
(→ Page 162)
W1002
Check valve clearance, adjust as necessary.
(→ Page 153)
W1005
Replace air filter.
(→ Page 160)
W1008
Replace engine oil filter when changing engine oil,
or when the interval (years) is reached, at the lat-
est.
(→ Page 165)
W1089
Check gas lines for leaks, seal if required.
(→ Page 159)
W1091
Check ignition timing, adjust as necessary.
(→ Page 149)
W1341
Check exhaust emissions, adjust if required.
(→ Page 45)
W1382 X
Replace vent line of engine coolant circuit
(8/12/16V only).
(→ Page 171)
W1616
Replace spark plug and seal in spark plug connec-
tor.
(→ Page 141)
W1688
Replace spark plug connector.
(→ Page 145)
W1689
Measure valve depth.
(→ Page 150)
W1798
Replace fine filter.
(→ Page 139)
W1799
Replace coarse filter (coalescer filter).
(→ Page 139)
Table 36: Maintenance task reference table [QL1]
MS150033/05E 2013-10
| Maintenance | 51
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