Pub. date Apr 2006 525660 manual addition of Install. and Program. man. 90-180kg, 198-396lb with recycling tanks.doc. 5/6
3. ADDITION TO INSTALLATION AND MAINTENANCE
MANUAL
3.1. TANK CLEANING
Frequency of cleaning depends on operation and number deposit in tank. Ordinary time of cleaning is 6 months.
Remove the tank top cover and clean the tank with running water.
3.2. PUMP CLEANING
WARNING !
DISCONNECT ELECTRICAL POWER BEFORE ANY SERVICING OPERATION AND MAKE SURE THE
PUMP CANNOT BE ACCIDENTALLY SWITCHED ON.
Inspect any clean the strainer basket periodically. The frequency of cleaning depends on operation time
of the pump and number impurities in water.
With the pump located below water level, close the suction and delivery gate valves before removing the
cover.
The strainer can be easily accessed by removing the strainer cover (fig. 1.)
Fig. 3.2. Removing and cleaning the strainer
WARNING !
DO NOT USE OIL TO LUBRICATE THE O-RING SEAL. USE ONLY WATER AND NEUTRAL SOAP
CLEAN THE TRANSPARENT STRAINER COVER. DO NOT USE SOLVENTS.
After cleaning, put the strainer basket in its proper position. Fill with water up to suction port level.
Position the strainer cover properly with the O-ring seal on the casing and tighten the hand wheels
uniformly.
WARNING !
DISINFECTANT OR CHEMICAL PRODUCTS FOR WATER TREATMENT MUST NOT BE POURED
DIRECTLY INTO PUMP.
RISK OF REACTION AND EMISSION OF HARMFUL FUMES.
RISK OF CORROSION IN STAGNANT WATER CONDITIONS (ALSO WITH AN INCREASE
IN TEMPERATURE AND DECREASE OF PH VALUE).
If the event of prolonged standstill periods or if freezing may be expected, drain the pump completely by
removing the two thumbscrews drain plugs with reusable O-ring gasket.
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