Operating and maintenance notes
h
h
x Check that the ribbed belt is running freely. Correct placement of the ribbed belt if required.
x Put on the coupling cover again and check that the ribbed belt is still running freely. If required, remove
the coupling cover again and correct placement of the ribbed belt.
x Tighten all 3 attachment screws (d) of the coupling cover (e) again.
x Check that the ribbed belt is still running freely. If required, loosen the coupling cover screws again and
correct placement of the ribbed belt.
x Unscrew both attachment nuts (a) of the ribbed belt cover again.
x Put on the ribbed belt cover (14) again.
x Screw on both attachment nuts (a) of the ribbed belt cover again. Only tighten the nuts manually so that
the ribbed belt tension can still be set.
x Turn ribbed belt tension screw (13) towards the right, e.g. clockwise, to increase the ribbed belt tension).
The correct tension is reached when the square nut (b) is on the centre PDUN LH EHWZHHQ DQG í
x Tighten both attachment nuts (a) of the ribbed belt cover.
x Close the water supply valve lever, i.e. put the valve lever across the connection piece.
8.7
Fuel filter replacement
The fuel filter in the fuel tank must be replaced as part of the annual customer service in a specialist
workshop authorised by us.
ENGLISH 36
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f
e
g
x Put the valve lever (28) for the water supply
parallel to the connection piece so that it does
not interfere with the following work step.
x Remove the coupling cover (e).
x Remove the old ribbed belt (f) or any residue of
the old ribbed belt and any other foreign bodies.
x Use a small brush or paintbrush to clean the
open area.
x Place a new ribbed belt on the grooved running
surface (g) on the drive side behind the coupling
bell (h).
x Put the other side of the ribbed belt on the
grooved running surface (i) of the ribbed belt
support on the output side.
i