P
AGE
44
M
AINTENANCE AND
S
ERVICE
C
HAPTER
5
M
AINTENANCE
S
TEP
2
A
→ M
AINTENANCE
2B
(
SEE ON PAGE
46)
FLUSH
C
LEANING OF
M
EASURING
-
CHAMBER
:
REMOVE
,
CLEAN AND REINSTALL
1. First release pressure from water supply line
→ shut off water supply in the treatment plant
→ switch on the unit for a while
→ briefly press the flush button. By opening the
inlet valve you release any residual
pressure.
2. Hold or place the small bucket under the water
inlet connection.
3. Open the connector. Unplug the 6 mm inlet pipe
→ Briefly press the flush button. By opening
the inlet valve, the measuring-chamber
drains almost completely.
→ collect leaking water in the bucket
→
switch the unit off again.
4. Pull the securing pins outwards (do not attempt
to remove the pins entirely) and pull the plugs
out of the measuring-chamber
→ plugs can be pried gently with a screw
driver.
5. Remove measurement-chamber from the
retaining bolts
→ Empty the measuring-chamber
→ Insert measuring-chamber in a sufficient
quantity of cleaning liquid in the box of the
cleaning set for about 10 minutes
→ Clean the measuring-chamber carefully with
the brushes of cleaning set
→Rinse the measuring-chamber with clean
water.
6. Clean the plugs.
7. Reassemble the measuring-chamber in the
reverse order of disassembly.
WARNING
WARNING