CARE AND MAINTENANCE 7
MHL360 E 7.43
7.7.3.6 Draining water from the fuel sys-
tem
h Carry out maintenance as described in
chapter 7.6.4 Maintenance and inspection
plan.
Water must be drained daily from the fuel
system through the fuel tank and the fuel pre-
filter.
Collect the fuel/water mixture in a
suitable reservoir. Do not allow
them to seep into the ground or wa-
ter! Give to an authorized waste
disposal company to dispose of in
an environmentally-friendly manner.
Fuel tank
►
Remove the fuel drain plug (285/1) from
the fuel tank and replace it with the drain
valve from the tool box included in the
scope of supply.
►
Screw the drain hose onto the drain valve
and drain the condensate. Once fuel in-
stead of water starts to flow, close the
drain valve.
Keep the level of fuel in the tank high to prevent
condensation from building up.
Fuel prefilter
►
If the message (286/25) "Water in fuel"
appears on the display, open the drain
valve (283/2) on the fuel prefilter. Collect
the water/fuel mixture that drains out in a
suitable container. Close the drain valve
(283/2) when only fuel flows out. Dispose
of the collected water/fuel mixture properly.
Fig. 285 Fuel drain plug
F
09 :43 11 .03. 2 011
MH LX X X / XXX X
18 00 U PM
0 5 1 0 15 20 2 5
95°C 7 5°C
0 ½ 1
9 %
120 0
BSB50608
25
34
Fig. 286 Water in fuel
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