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aprons, etc.). LIQUID EJECTION HAZARD.
WARNING: To clean the pump, only use a clean cloth, moistened with an appropriate
detergent:
1. Disconnect the liquid suction and discharge pipes of the pump
2. Disconnect the electrical power supply cable from the motor
3. Proceed with disassembling and remove the pump from the installation area, using
appropriate lifting machinery
NOTE: For the pump assembly and disassembly sequence of the operations hereafter described, consult
the relevant spare parts table.
Before intervening on the pump and/or before carrying out maintenance or repair operations, you must:
• Wait for the pump to cool down for at least fifteen (15) minutes
• Perform the necessary operations while wearing protection gloves and any other appropriate personal
protection equipment (face masks, gloves, closed shoes, etc.): Danger of burning and ejection of liquid
under pressure
4.7 Pump opening and internal cleaning
This operation must be carried out regularly every 1000 working hours or, in the event of a decline in
performance, for checking the pump’s conditions and / or replacing the impeller. To open the pump, proceed
as follows:
A1 Disassemble the pump as described in the preliminary operations in this Chapter
A2 Remove the screws and the outer cover of the pump body
A3 Clean the impeller and/or replace with original spare parts, if necessary
A4 Check the condition of the seals and replace with original spare parts, if necessary
A2 A3 A4
WARNING: all of the ORings and gaskets must be replaced every time the pump is opened/reassembled:
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