JBL CRISTAL PROFI e402 greenline, Manual, Page: 31 / 243

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9
Cleaning the hoses
Bacteria settle in the hoses producing slime, which can significantly obstruct the flow of
water. Algae growth only occurs in strong light. The hoses should therefore be cleaned reg-
ularly with a cleaning brush (e.g. JBL Cleany). Simply rinsing with tap water is not enough!
10
Cleaning the impeller and casing
Turn the cover of the impeller casing anti-clockwise towards “Open” and remove the cover
by pulling gently.
Pull the impeller out of the casing. CAUTION: the impeller is held in the casing by magnetic
force. Take appropriate care when removing the impeller, making sure to avoid injuring your
fingers.
The ceramic shaft is held by two rubber bearings, which remain either on the shaft or on
the bottom of the impeller casing, or in the middle of the casing cover, when the impeller is
removed.
Clean the impeller casing, impeller and shaft with a suitable cleaning brush, then rinse in
clean water. Limescale can be easily removed by soaking in JBL Clean A (available at your
specialist retailer). Never dip the pump head in water or other liquid to clean it. Use a damp
cloth (e.g. JBL WishWash) to clean the surface of the casing.
Place the ceramic shaft and impeller back in the casing. Check that both rubber bearings are
present and correctly positioned for the ceramic shaft. Put the impeller cover back in and,
pressing gently, turn the cover towards “CLOSE” until the stop point.
Please note: If the impeller has to be replaced due to wear and tear, the complete set com-
prising the impeller with the shaft and 2 rubber bearings must be replaced. Only this way
can flawless operation and quiet running be guaranteed. When the impeller and shaft are
removed, a rubber bearing often adheres to the base of the impeller casing where it is very
difficult to remove. JBL has produced a special tool for this purpose which is available at
specialist pet shops under the name “Extraction tool for impeller bearing”. A useful clean-
ing brush for the impeller casing comes with the tool.
11
Re-starting the filter
Place the pump head back on the filter canister and close the locking clips as described in
(1). Place the hose connection block with the attached hoses back in position as described
in (2). Then turn the right-hand stopcock lever towards “OPEN” until the stop point. Repeat
with the left-hand lever a few seconds later.
If the water does not begin to run into the filter automatically, start the filter as described
in (5).
Connect the filter to the mains power supply.
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