57
– Slightly grease the seals
1
of the new replace-
able-cartridge filter
– Assemble
replaceable-cartridge filter
and
tighten it
by hand.
– Bleed the injection system (Chapter 4.1.3).
– After a short test run, check fuel filter for leak-
age; if necessary, re-tighten it by hand.
5.6.
Maintenance: every 2 – 4 years
5.6.1. Replacement of coolant
Note:
Depending on which radiator protection fluid is
used, a replacement interval of 2 or 4 years is
envisaged. The various products are charac-
terized by their identification colour. For further
explanations, refer to Chapter 4.1.2.
Work on the cooling system must not
be effected while the engine is warm –
risk of scalding !
The cooling system is pressurized.
Collect the coolant and eliminate it
according to the statutory regulations.
58
– First stop the engine and allow it to cool down.
Then put a piece of cloth over cap
1
of the ex-
pansion tank and open cap carefully.
– Provide a vessel to collect the used coolant.
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