Maintenance and care
31
Turbocharger
At every engine oil change check the oil pipes for leaks and constrictions.
Furthermore, a regular check should be kept on charge air and exhaust gas pipes.
Any leakages should be attended to at once because they are liable to cause overheat-
ing of the engine.
Intercooler
If the coolant output is to be retained as far as possible, the intercooler must be cleaned
at certain intervals.
Starter motor
Check that the electric cables are properly fastened and that contacts and plug connec-
tions are secure.
In engines fitted with electronic speed pickups at the flywheel (e.g. electronic speed gov-
ernor and EDC), the speed pickup are to be cleaned too and metal chips that may ad-
here are to be removed.
Note:
Always disconnect the battery earth cable before starting work on the electrical
system. Connect up the earth cable last, as there is otherwise a risk of short-cir-
cuits.
Temporary decommissioning of engines
Temporary anti-corrosion protection according to MAN works norm M 3069 is required for
engines which are to be put out of service for fairly long periods.
The works norm can be obtained from our After-Sales Service department Nuremberg
works.
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