Affetti Pumps CGV-L User Manual
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Affetti Pumps CGV-L User Manual

Centrifugal sump pumps
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User manual
Installation
Operation
Maintenance
ISO 9001:2015
Certified company
2006/42/EC
Machinery Directive
Translation of the
original instructions
User manual in the original or in different languages should be requested to the manufacturer.
Centrifugal sump pumps
CGV-L

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Summary of Contents for Affetti Pumps CGV-L

  • Page 1 User manual Installation Operation Maintenance ISO 9001:2015 Certified company 2006/42/EC Machinery Directive Translation of the original instructions User manual in the original or in different languages should be requested to the manufacturer. Centrifugal sump pumps CGV-L...

  • Page 2: Table Of Contents

    INDEX GENERAL INFORMATION pag. 4 EXECUTION ” “ PUMP BODY ” “ IMPELLER ” “ ROTOR ” “ REAR BLOCK…………………………………………………………………………………………………………………………………. pag. 5 INTERMEDIATE ADAPTOR ” “ SUPPORT PLATE ” “ MARKING ” “ GUARANTEE AND CERTIFICATION ” “ PRE - INSTALLATION pag.

  • Page 3: General Information Pag

    GENERAL INFORMATION EXECUTION The pumps of this series have been developed for the pumping of corrosive liquids and special attention has been dedicated to a rugged construction, an easy access for maintenance and hydraulic efficiency. The design of the volute and at the same time of a bladed channel guarantees a maximum output with minimum overall dimensions and excellent performances.

  • Page 4: Rear Block

    REAR BLOCK The rear block is deep and has been studied to contain the drive sleeves of the shaft, which can be replaced very easily after wear or after rupture. INTERMEDIATE ADAPTOR (only for the CLV and the CGV series) The intermediate adaptor has got a sturdy construction and is entirely composed of aluminium.

  • Page 5: Pre - Installation Pag

    PRE - INSTALLATION PACKING The structure of the packing and the employed materials are chosen according to shape, dimensions and weight of the machine, which has to be shipped. We may adopt solutions of the following type: cardboard box with filling material for machines of small dimensions ; cardboard box and wooden pallet with filling material for bigger pumps ;...

  • Page 6: Installation Pag

    NSTALLATION POSITIONING OF THE MACHINE The pump has to be mounted vertically and in the best possible position to assure an easy connection with the delivery tube. The machine should be positioned in immediate neighbourhood of the vat or tank so that a rapid intervention is guaranteed in case of preventive maintenance or damage.
  • Page 7 body and the eventual intermediate flanges and keep it from overflowing the vat or the tank. If the machine includes an external flow line with an electro-valve, the cleaning and the lubrication of the guide sleeves of the shaft is guaranteed by the total insulation of its tract. (This operations is recommended, if the pump is installed in environments where the temperature may fall to less than 3 CC).

  • Page 8: Connection Of The Electric Motor

    CONNECTION OF THE ELECTRIC MOTOR We advise to follow with care the schemes of the motor producer, which you can find in the terminal box or in the instruction manual. Recommended Safety Measures It is highly dangerous to start the pump before having completed the installation. The assembly operations have to be performed by specialized and trained staff.

  • Page 9: Operation

    OPERATION START OF THE PUMP Before starting the pump you should take the following steps: a) Please make sure that the delivery tube is correctly connected and that the bolts are well tightened. b) Please check if in the vat there is the liquid, which has to be pumped, and that its level is at least high enough to cover the whole body of the pump.

  • Page 10: Capacity Range

    CAPACITY RANGE The choice of the type of pump, impeller and motor takes place at the moment of ordering by taking into the consideration the capacity and head data requested by the customer. The user should carefully observe the operating conditions mentioned on the data sheet and especially the data regarding capacity and head at the operating point to which the machine has been destined.

  • Page 11: Hints On Correct Operation

    HINTS ON CORRECT OPERATION PREVENTIVE MAINTENANCE The performances of the pump depend on the number of working hours, the materials used for its construction and on the care with which the pump is treated during its operative life. A daily check during operation helps to avoid complications and assures an immediate intervention in case of damage.

  • Page 12: Eventual Dry Functioning Of The Pump

    Recommended Safety Measures To operate in conditions of extreme safety during the control of the running machine the operator should be adequately equipped. Rubber gloves and boots, anti-acid overalls and helmet with protective visor for the face are the indispensable equipment for the persons who have to operate without running the risk of physical damages.

  • Page 13: Troubles And Eventual Causes

    TROUBLES AND EVENTUAL CAUSES THE PUMP DOES NOT EROGATE ANY LIQUID In the vat there is no liquid. The no-return valve on the suction tube is blocked and totally closed. The impeller is blocked by rubbish or incrostations contained in the liquid. The total head required by the plant is higher than the projected head of the pump.

  • Page 14: The Guide Bushes Of The Shaft Get Rapidly Worn Out

    25) The bearings of the motor or the support (only for the CGV series) are worn out or damaged. See also points 6 -20. 26) The pump is subject to cavitation, since the suction orifice has got an insufficient distance from the ground or the wall of the vat.

  • Page 15: Sectional View Pump Pag

    CMV CROSS SECTION H = 250 – 500 – 750...
  • Page 16 CMV CROSS SECTION H = 1000 – 1250...
  • Page 17 CMV CROSS SECTION H = 1500-1750-2000...
  • Page 18 CLV CROSS SECTION H = 250 – 500 – 750...
  • Page 19 CLV CROSS SECTION H = 1000 – 1250...
  • Page 20 CLV CROSS SECTION H = 1500 – 1750 – 2000...
  • Page 21 CGV CROSS SECTION H = 500 – 750 – 1000 – 1250...
  • Page 22 CGV CROSS SECTION (DETAIL) H = 2250 – 2500 – 2750 – 3000...
  • Page 23 CGV CROSS SECTION (DETAIL) H = 1500 – 1750 – 2000...
  • Page 24 CROSS SECTION DETAILS...
  • Page 25 PART LIST Motor Washer Inferior Ball Bearing Screw O-Ring Over Ball Bearing Plate Flange Snap Ring Blaffe O-Ring Spacer Coverei Nut Shaft Hole Elastic Coupling Column Screw Washer Shaft Joint Screw Shaft Covering Prisoner Flow Bend Covered Nut Spacer Tirant O-Ring O-Ring Stirrup...

  • Page 26: Maintenance And Repair Operations

    MAINTENANCE AND REPAIR OPERATIONS REMOVAL FROM THE PLANT Before disconnecting the pump from the plant please take the following steps : a) Make sure that the pump is not running. b) Detach the plug from the electric switchboard. c) Detach the electric cables from the terminal board and carefully isolate the ends. d) Tighten the delivery valve.
  • Page 27 4) Disassemble the impeller (pos. 21) (after having locked it with a band wrench) by using a pipe wrench of 22 mm (for some impellers you should use a fixed wrench of 32 mm), unscrew (clockwise thread) the locking nut (pos. 2) (see fig. 3) and remove it from the shaft with the help of an extractor (fig. 4). 5) Remove the motor (pos.

  • Page 28: Assembly Procedure Of The Pump

    bushings (pos. 15-66) can be disassembled by loosening the coated nuts (pos. 67). On the contrary the CMV and the CLV series are no longer than 750 mm and if the rotating bush (pos. 16) appears scratched, worn out or encrusted it should be replaced together with the coating of the shaft (8). In this case the fixed ring has to be replaced only if it is broken or if its running surface is worn out.

  • Page 29: Recommended Spare Parts

    washer (pos. 58) and a self-locking nut (pos. 75). I) Put the support of the bearings onto the flange (51) and fix it with the three screws (pos. 49) positioned on the flange. Then unite the whole group with the intermediate adaptor of aluminium (pos.

  • Page 30: Disposal

    In your spare part orders please always cite: machine number of the pump series and type number and position of the component on the sectional drawing in the present manual quantity of requested pieces. DISPOSAL The replaced parts or the pumps, which reached the end of their operative life, have to be submitted to a careful selection in order to separate the various parts according to the materials.
  • Page 31 NOTES ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________...
  • Page 32 AFFETTI PUMPS s.r.l. Via P. Maroncelli , 4 21053 CASTELLANZA (VA) tel. (+39) 331-503358 (+39) 331-505595 fax. (+39) 331-483007 Sales Department: eaquila@affetti.com Technical Department: mcassaniti@affetti.com Web-site: www.affetti.com Authorized distributor All rights reserved. Reproduction, copying or transmittal of this manual and its contents are...

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