75
Maintenance and Service
8. After finishing cleaning the tank, clo-
se the flap and push the run-off plate
back in place.
9. Unhook the waste water draining
hose (Fig. 26/6), lower it slowly and
open the cap (Fig. 26/5).
10.Run fresh water in the recovery tank
through the open tank neck using a
water hose (output pressure approx.
5 to 6 bar) and, in doing so, also flus-
hing the draining hose (see above).
11.Screw the cap shut again and hook
the draining hose back in place.
12.Close the left and right rear doors.
The cleaning flap must not be
used to drain off waste water.
5.6.3 Cleaning the draining hose
cap
• Clean the draining hose cap on a
daily basis.
• Lubricate the O-ring lightly, if neces-
sary.
5.6.4 Cleaning the air intake filter
The filter sieve (Fig. 28/1) is located in
the recovery tank above the maximum
water level on the suction pipe. The ac-
cumulation of dirt in the filter sieve must
be checked daily and cleaned as ne-
cessary:
Fig. 28
1. Pull the filter sieve from the suction
pipe and clean with water.
Remove the filter sieve com-
pletely to clean it.
During cleaning and operation,
pay attention that no water and
no particles of dirt get into the
suction pipe and into the suc-
tion turbines.
2. Dry the filter sieve after cleaning. Do
not replace when dripping wet!
5.6.5
Cleaning the openings to the
solution tank
The openings between the recovery
and solution tank (Fig. 28/2) serve for
ventilation between the two tanks. They
must be checked regularly for accumu-
lations of dirt and cleaned as necessa-
ry.
2
1