Karcher WATERCLEAN 600 CD - Manual (Page 43)

43
WTC 600 LP / MP MAINTENANCE
Service Handbook 08.2004
4 Maintenance
4.1 Fine Filter
The manometers (17/1 and 17/3) are located
in front of and behind the fine filter unit (17/2). If
the differential pressure is more than 0.8 bar,
the fine filter is to be cleaned or replaced:
- Stop the untreated water supply until the
system is in the lack of pressure operating
condition.
- Switch off the main switch.
- Release the pressure in the equipment
(open the sampling valve for untreated
water).
- Replace filter.
Replace the fine filter every 3
months.
Use the special filter wrench!
Figure 17 Replacing the fine filter
1 2 3
4.2 Metering Station WTC 600 CD
Every 4 weeks:
Clean the inside of the metering tank and thoroughly rinse with chlorine-free drinking water.
When working on the metering head or on the connections and lines, wear protective
clothing (goggles, gloves)!
Before any maintenance, disconnect the pump from mains (pull mains plug)!
Every 12 months (or when malfunctions occur):
Cleaning the suction and pressure valves
- Unscrew valve and take out inner part of valve.
- With a thin wire pin (nail or similar), carefully remove the valve inner part in flow direction (see
arrow mark on valve body).
- Disassemble the inner part (seat, O-ring, balls, ball cages) and clean; replace if necessary.
- Reassemble valve again and screw in.
Observe direction of flow (arrow)!
Tighten valve by hand only (danger of damaging!)
1) Feinfilter 5µ: Art.-Nr. 6.414-466.0
NOTE
NOTE
CAUTION