90
Maintenance and Service
5. Open the water tap on site.
Only fill water at maximally
122 °F!
On reaching the maximum fill level, the
float switch in the fresh water tank clos-
es the solenoid valve automatically.
Check the float switch regularly
for soiling!
6. Close the water tap on site.
7. Close the ball cock (Fig. 28/2).
8. Disconnect the filling hose
(Fig. 28/3).
9. Close the rear doors on the left and
right as well as the rear panel frame
(Fig. 21/7-9).
10.Close the cap (Fig. 27/2) on the
fresh water tank.
11.Mix cleaning agent in accordance
with the manufacturer's instructions.
12.Close the lid (Fig. 27/2) on the fresh
water tank.
5.5.2 Emptying the fresh water tank
If the vehicle is to be left unused for a
longer period, the fresh water tank
(Fig. 27/4) should be emptied.
1. Park the vehicle so that the water
draining hose (Fig. 27/8) can be po-
sitioned over a drain in the floor.
2. Open the left and right rear doors.
3. Open the rear panel frame.
4. Detach the fresh water draining hose
(Fig. 27/8) and lower it slowly.
5. Unscrew the screw cap (Fig. 27/7).
The quantity drained can be regulat-
ed by turning the screw cap and piv-
oting the cap open fully, if necessary.
6. When the fresh water tank has been
completely emptied, screw the cap
shut again and attach the draining
hose again.
7. Close the rear panel frame.
8. 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 screw cap (Fig. 27/7) at the end
of the draining hose (Fig. 27/8)
should be cleaned at regular inter-
vals.
• Lubricate the O-ring lightly, if neces-
sary.
5.5.4 Cleaning the fresh water filter
The fresh water supply is equipped with
a filter (Fig. 27/5) which must be
cleaned if dirt appears on the container.
This is located on the left-hand side of
the vehicle at the height of the brushes
behind the side panel.
1. Close the ball cock (Fig. 27/6) to pre-
vent fresh water being supplied from
the tank.
2. Unscrew the container by hand and
pull the sieve insert out downwards.
3. Clean both parts with water and re-
assemble them.