3-16 SHB 28Z3 EN – Edition 2.0 * 28z3s312.fm
Maintenance
Replacing the fuel filter
Danger!
If the fuel, as it drains, comes into contact with hot engine parts or the exhaust
system, there is an increased
Danger of burns!
☞ Never change the fuel filter if the engine is hot!
Use a suitable container to collect the fuel as it drains and dispose of it in an environmen-
tally friendly manner!
☞ Open the engine cover
☞ Close stop cock B (OFF – horizontal)
☞ Unscrew the union nut
☞ Remove the transparent housing
☞ Remove the old filter insert
☞ Put the new filter insert in place
☞ Fit the housing back on again (apply a thin coat of oil or diesel fuel to the sealing sur-
face)
☞ Open stop cock B (ON – vertical)
☞ Bleed the fuel system
– see Bleeding the fuel system on page 3-14
☞ Check the filter for tightness after a short test run.
☞ Dispose of the old filter insert in an environmentally friendly manner
Tank for washer system
The tank's filler inlet is located in the engine compartment.
Notice!
Fill with clean tap water only!
Add a suitable cleaning agent if required.
In winter:
add antifreeze for washer systems to the clean tap water.
Refer to the antifreeze instructions for further information on concentrations.
The rubber diaphragm in the non-return valve in the housing conglutinates if
stored in a dry condition over a longer period of time. In order to restore this
valve's function, moisten this non-return valve, dip it briefly in water and then blow
air through it.
Fig. 5: Fuel filter
On
Off
B
Fig. 6: Tank for washer system
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