Bleeding The Metering Pump; Replacing The Fine Filter - Kärcher WATERCLEAN 600 HP Betriebsanleitung

Maintenance and Care
• After a while the indication moves back to the
current time.
32
3.2.3

Bleeding the Metering Pump

The metering pump must be bled when the pump
has drawn in air (e. g., because the metering con-
tainer is completely empty).
• The system stops; the "Signal Motorprotection"
malfunction indication is shown in the display.
i
This malfunction indication is shown in-
dependent of which metering container
is empty.
• Fill the empty metering container and mix the
chemicals according to Section 3.2.6.
• Unscrew the bleeding screw (34) by one turn.
• Press the MANUAL pushbutton (33) until the
medium flows without bubbles through the
bleeding line (35) back into the container.
6
Version 06/05
31
33
34
35
• Screw in the bleeding screw again.
• On the control panel, acknowledge the mal-
function indication with the RESET key button
(36); the system starts.
3.2.4

Replacing the Fine Filter

Check the pressure difference at manometers (15)
and (16). Replace the filter insert when over 0.8 bar:
• Switch off the equipment at the main switch (20).
• Stop the untreated water supply.
15
16
• Place a bucket under the untreated water drain
cock (37) and open the cock.
• Wait until no more water emerges out of the
cock, then shut the cock again.
• Attach the filter wrench (41) to the filter bowl
(40) and screw off the filter bowl.
i
The filter bowl is still filled with water.
• Remove the filter insert (38) from the filter bowl
and replace with a new one.
WTC 600 HP
37
38
39
40
36
41