8.2.11 Draining the water separator
Safety note
CAUTION
Danger of environmental damage from spilled fuel.
When water is drained from the water separator, a small amount
of fuel is drained as well.
▪ Catch the emerging water-fuel mixture and dispose of it in
an environmentally compatible manner.
The fuel prefilter has a water separator. An electronic water level sensor sig-
nals when the maximum permissible water level is reached in the water sep-
arator. A corresponding fault message is displayed on the instrument box or
CAN display.
Overview
1 Bleed screw
2 Drain plug
3 Water level sensor connector
4 Drain socket for extension hose
5 Hose clip (for a fuel tank positioned low)
Procedure
Step Activity
1 Place a suitable container under the drain socket (4) of the drain
plug (2).
NOTE: In inaccessible locations, an extension hose can be con-
nected to the drain socket on the drain plug.
4H50TIC Maintenance
HATZ
Operator's Manual 73
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