MAINTENANCE

WTC 600 LP / MP

Replacing the membrane

-Set the pump lift adjustment knob (8/1) to 100 %.

-Unscrew the 4 screws, size 6 mm, at the metering head and remove the metering head.

-Unscrew the membrane to the left.

-Reattach the sealing membrane1), intermediate ring and support disc again.

-Screw in new membrane.

-Bring the push rod to the “end of suction stroke” position by switching the mains voltage on/ off.

-Reassemble metering head and tighten screws over cross (tightening torque 4 Nm).

-Bleed the pump (8/3) and put into operation again.

-After 48 hours of operation, retighten the metering head screws (tightening torque 4 Nm).

4.3Reverse Osmosis Module (RO Module)

4.3.1RO Filter Replacement

The RO filters are to be replaced when

cleaning and disinfection as a measure to1 increase the capacity have been without

success.

Filter replacement:

-Select the switching off operating mode and release the system pressure.

-Loosen the connections (concentrate connection (18/2), drinking water connection (18/1) and supply (18/5)) and unscrew pressure tube (18/4) with tube clamps (19/5) from the frame.

CAUTION Do not loosen the tube clamps because of height adjustment.

-Release securing rings (19/1).

-Unscrew connections (19/2).

-Screw extractor tool into thread of drinking water connection (19/3) and carefully lever out using pipe pliers.

-Remove adapter from lid, clean and insert.

-Take out filter and remove lower lid.

2

3

4

4

5

NOTE Do not interchange lids.

Figure 18 RO-Modul

1)Membrane replacement set: Item No. 6.762 172.0

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Service Handbook 08.2004

Page 44
Image 44
Karcher 600 CD manual Reverse Osmosis Module RO Module, Replacing the membrane, RO Filter Replacement, Filter replacement

600 CD specifications

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