72
Maintenance and Service
5.5.1
Filling the solution tank
Fill the solution tank (Fig. 25/4) with
fresh water and cleaning agent before
starting with the work, also refer to Sec-
tion 3.1.4.
1. Park the machine on a level floor
area.
2. Open the tank cap (Fig. 25/2) and
lock in place.
3. Fill the solution tank to the maximum
mark.
5.5.2 Emptying the solution tank
If the vehicle is to be left unused for a
longer period, the solution tank should
be emptied.
1. Park the vehicle so that the draining
hose can be positioned over a drain
in the floor.
2. Open the left and right rear doors
3. Detach the solution draining hose
(Fig. 25/8) and lower it slowly.
4. Unscrew the cap (Fig. 25/7) to open
it. The quantity drained can be regu-
lated by turning the cap and pivoting
the cap open fully, if necessary.
5. When the solution tank has been
completely emptied, screw the cap
shut again and attach the draining
hose again.
6. Close the left and right rear doors.
When disposing of the waste
water containing the cleaning
agent, observe all applicable
legal regulations.
5.5.3 Cleaning the draining hose
cap
• The cap (Fig. 25/7) at the end of the
draining hose (Fig. 25/8) should be
cleaned at regular intervals.
• Lubricate the O-ring lightly, if neces-
sary.
5.5.4 Cleaning the filter in the solu-
tion feed
The solution feed is equipped with a fil-
ter (Fig. 25/5) which must be cleaned
dirt appears on the container. This is lo-
cated on the left-hand side of the vehic-
le at the height of the brushes behind
the side panel.
1. Pivot the right-hand side panel up.
2. Close the ball cock (Fig. 25/6) to pre-
vent solution being supplied from the
tank.
3. Unscrew the container by hand and
pull the sieve insert out downwards.
4. Clean both parts with water and re-
assemble them.
