5. Connect filling pump to filling connection (1)
on intake side of filter.
6. Loosen threaded vent plugs (2) and fill with
fuel until fuel emerges from vent pipe (3).
7. Close threaded vent plugs (2).
Fuel prefilter with reversible du-
plex filter – Draining
1. Switch off filter which is to be drained (A or
B):
1 Filter A switched off
2 Filter B switched off
2. Loosen threaded vent plug (1) of filter to be
drained.
3. Open drain valve (2).
4. Drain water and contaminants from filter until
pure fuel emerges.
5. Close drain valve (2).
120 | Fuel Filter | M015650/06E 2018-05
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