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– Release the fuel filter using a strap wrench or
a similar tool, and remove it.
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– Slightly grease the seal „1“ of the new replace-
able-cartridge filter
– Assemble replaceable-cartridge filter and
tighten it by hand.
– Bleed the injection system by means of the
manual fuel pump (Chapter 4.1.2).
– After a short test run, check fuel filter for leak-
age; if necessary, re-tighten it by hand.
6. Operating checks and
repair work
6.1. Checking operation of air cleaner
maintenance indicator
Every 250 hours of operation, perform a routine
check on the maintenance indicator or mainte-
nance switch and the display light.
– Detach the capsule hood or side trim
(see Chapter 2).
Electric maintenance switch
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– Turn switch key to position I.