5 Maintenance
5.1 Maintenance task reference table [QL1]
The maintenance tasks and intervals for this product are defined in the Maintenance Schedule. The Mainte-
nance 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.
W0501
Visually check engine for leaks and general condition.
W0502
Check intercooler condensate drain (if applicable).
W0503
Check service indicator on air filter.
W0505
Check relief bores of coolant pump(s).
W0506
Check for abnormal running noise, exhaust discoloration and vi-
brations.
W0507
Drain water and dirt from fuel prefilter (if applicable).
W0508
Check reading on differential pressure gage of fuel prefilter (if
applicable).
W1001
Replace fuel filter or fuel filter element.
W1002
Check valve clearance.
W1005
Replace air filter.
W1006
Replace injectors.
W1008
Replace engine oil filter at each oil change or when the time
limit (years) is reached, at the latest.
W1009
Check layer thickness of oil residue, clean and replace filter
sleeve (if fitted), at each engine oil change, at the latest.
W1011
Perform endoscopic inspection of combustion chambers.
W1016
Battery-charging generator: Check condition of coupling.
W1029
Check air pipework between air filter and turbocharger for
leaks and damage.
W1036
Replace coolant filter.
No longer fitted.
W1047
Check and clean oil indicator filter.
W1076
Exhaust turbocharger: Clean compressor wheel.
W1244
Check operation of rod electrode (if applicable).
W1245
Check alarm function of differential pressure gauge (if fitted).
W1246
Check pump capacity (if fitted).
W1463
Check general condition of the engine mounting (visual inspec-
tion).
Table 5: Maintenance task reference table [QL1]
92 | Maintenance | MS150046/03E 2018-08
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Summary of Contents for 20V4000M73 series
Page 1: ...Operating Instructions Diesel engine 20V4000M73x MS150046 03E...
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