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PRIMING
PERIODIC MAINTENANCE
ATTENTION!!!!!!!!!
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If it is necessary to take the pump off the plant, it is important to put the rubber disks in again, so to avoid
any exit of the liquid contained in the pump head from dripping out.
During the installation ensure that the discharge hose is fixed correctly to avoid it to rub against hard
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bodies. Avoid also useless bends both on discharge and suction hose.
REPLACING WORN PARTS
Before any kind of operation on the pump disconnect it from the power supply!
Fuse replacement. Proceed as follows:
1) Unscrew the 6 fixing screws of the box.
2) Open the front and the back part of the box.
3) Replace the fuse that is well visible.
4) Assemble all the parts.
Valves replacement. Proceed as follows:
1) Using a 24 mm spanner gently remove the upper and lower cartridge.
2) Replace with new ones taking care to ensure that the arrow is pointing in the direction of flow.
Diaphragm and O-rings replacement. Proceed as follows:
1) Undo the 4 bolts of the pump head with an 8mm hexagonal key.
2) Remove the pump head.
3) Remove the old O-ring from the head carefully using a small screwdriver.
4) By hand, or with pliers, if necessary, unscrew the diaphragm, and replace with the new one. Hand tight
only.
5) Refit the dosing head, tightening the head bolts sequentially and carefully to ensure an even airtight seal.
Caution do not over tighten.
Rev 3.0
- Unscrew the purge nipple (in the upper right part of the pump head) of
180°.
- Start the pump with a flow rate of the 50% of the maximum one.
- When only the chemical without air will start to go out from the purge
output, screw the purge nipple.
Cod. 00.009.307
39
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