91
Maintenance and Service
5.6.3 Cleaning the draining hose
cap
• Clean the screw cap on the waste
water draining hose (Fig. 28/6) daily.
• Lubricate the O-ring lightly, if
necessary.
5.6.4 Cleaning the air intake filter
The filter sieve (Fig. 31/1) 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 nec-
essary:
Fig. 31
1. Pull the filter sieve from the suction
pipe and clean with water.
Remove the filter sieve
completely 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
suction 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. 31/2) serve for
ventilation between the two tanks. They
must be checked regularly for accumu-
lations of dirt and cleaned as neces-
sary.
2
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