Maintenance 6
Servicing
Checking the diesel auxiliar
y heater
filter
ENVIRONMENT NOTE
Diesel fuel is harmful to the environment!
Improper handling of fuels poses a risk to
people and the environment.
– Do not spill fuel.
– Make sure that no fuel gets into the sewage
system, surface water, groundwater or onto
the soil.
Check the diesel auxiliary heater filter*
– Open or remove the engine cover; see the
chapter "Opening and closing the battery
cover and engine cover".
– Perform a visual inspection on the fuel filter
(1).
Change the filter if necessary.
– Close the fuel valve.
– Remove the two hose clips from the filter
(1).
– Pull the hoses out of the old filter.
– Connect the new filter.
– Tighten the hose clips.
– Close the engine cover.
* Variant
172
780 EN - 06/2017 181
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