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Desmi VAC-4001 Operation And Maintenance Instructions

Self-priming centrifugal pump
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OPERATION AND MAINTENANCE INSTRUCTIONS
DESMI self-priming centrifugal pump
DESMI PUMPING TECHNOLOGY A/S
Tagholm 1 – DK-9400 Nørresundby – Denmark
Type VAC-4001
Tel.: +45 96 32 81 11
Fax: +45 98 17 54 99
E-mail:
desmi@desmi.com
Internet:
www.desmi.com
Manual:
Language:
T1449
English
Revision:
C (03/19)

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Summary of Contents for Desmi VAC-4001

  • Page 1 OPERATION AND MAINTENANCE INSTRUCTIONS DESMI self-priming centrifugal pump Type VAC-4001 DESMI PUMPING TECHNOLOGY A/S Tagholm 1 – DK-9400 Nørresundby – Denmark Tel.: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com Internet: www.desmi.com Manual: Language: Revision:...

  • Page 2: Table Of Contents

    Table of Contents: 1. PRODUCT DESCRIPTION ..........................3 1.1 DELIVERY ................................3 2. TECHNICAL DATA ............................. 3 2.1 NAME PLATE ................................ 3 2.2 EXPLANATION OF THE TYPE NUMBER ......................3 2.3 TECHNICAL DESCRIPTION ..........................4 3. INSTALLATION ..............................4 3.1 MOUNTING/FASTENING ........................... 4 3.2 WIRING ..................................

  • Page 3: Product Description

    The pumps are manufactured in various material combinations which appear from the type number on the name plate. 2.2 EXPLANATION OF THE TYPE NUMBER The VAC-4001 pump is provided with a name plate. The type number indicated on the name plate is built up as follows: DESMI PUMPING TECHNOLOGY A/S Tagholm 1 9400 Nørresundby - Denmark...

  • Page 4: Technical Description

    V-belt pulley may be heated to about 100º C after which the V-belt pulley is easily lead over the shaft towards the shoulder. Alternatively, the V-belt pulley may be mounted with a TAPER LOCK bush. DESMI PUMPING TECHNOLOGY A/S Tagholm 1 9400 Nørresundby - Denmark Tel.: +45 96 32 81 11...
  • Page 5 When dimensioning the V-belt pulley it is important to follow the rules of the DESMI nomograms for the pump size in question - contact DESMI. Be careful when fitting the suction line to the pump so that it is absolutely tight, as even small leakages may impede the priming.

  • Page 6: Wiring

    Pump Weight [kg] VAC-4001/A09 VAC-4001/A07 excl. electric motor VAC-4001/A02 The pumps are to be stored in a dry place. Before shipment the pump is to be fastened securely on pallets or the like. The pump is to be lifted as shown here: Screw lifting eyes into the pressure flange and mount lifting straps The lifting straps must not bear against sharp edges and corners.

  • Page 7: Dismantling See Drawing No. 490231

    When fitted, the sealing ring (22) is to bear against the shoulder of the pump casing. 6.2 FITTING SHAFT WITH BEARINGS Lead shaft with bearings into the bearing bracket. Fit oil sealing ring (8) and lock ring (4) DESMI PUMPING TECHNOLOGY A/S Tagholm 1 9400 Nørresundby - Denmark Tel.: +45 96 32 81 11...

  • Page 8: Fitting Nylon Bushing

    Pumps which are not in operation during frost periods are to be drained to avoid frost damage. Remove the drain bolt (32) at the bottom to empty the pump. Alternatively, it is possible to use anti- freeze liquids in normal constructions. DESMI PUMPING TECHNOLOGY A/S Tagholm 1 9400 Nørresundby - Denmark Tel.: +45 96 32 81 11...

  • Page 9: Dismantling

    Should the pump not function as intended, please proceed according to the fault-finding list. Bear in mind, though, that the pump was carefully checked and tested at the factory and that the majority of faults stem from the piping system. DESMI PUMPING TECHNOLOGY A/S Tagholm 1 9400 Nørresundby - Denmark Tel.: +45 96 32 81 11...
  • Page 10 1. Cavitation in pump Suction lift too high/ Suction line wrongly dimensioned/Liquid temperature too high -10- DESMI PUMPING TECHNOLOGY A/S Tagholm 1 9400 Nørresundby - Denmark Tel.: +45 96 32 81 11 Fax +45 98 17 54 99 E-mail: desmi@desmi.com www.desmi.com...

  • Page 11: Inspection And Maintenance

    1.5 x the permissible working pressure. The test pressure is stated in the test certificate and stamped into the discharge flange of the pump. -11- DESMI PUMPING TECHNOLOGY A/S Tagholm 1 9400 Nørresundby - Denmark Tel.: +45 96 32 81 11...

  • Page 12: Eu Declaration Of Conformity

    14. EU DECLARATION OF CONFORMITY DESMI PUMPING TECHNOLOGY A/S, hereby declare that our pumps of the type VAC- 4001 are manufactured in conformity with the following essential safety and health requirements in the COUNCIL DIRECTIVE 2006/42/EC on machines, Annex 1.

  • Page 13: Assembly Drawing

    15. ASSEMBLY DRAWING -13- DESMI PUMPING TECHNOLOGY A/S Tagholm 1 9400 Nørresundby - Denmark Tel.: +45 96 32 81 11 Fax +45 98 17 54 99 E-mail: desmi@desmi.com www.desmi.com...

  • Page 14: Spare Parts List

    Shaft end 590780 Allen screw M10x170 A4 710947 Key 7x8x50 706834 Key 7x8x40 700021 -14- DESMI PUMPING TECHNOLOGY A/S Tagholm 1 9400 Nørresundby - Denmark Tel.: +45 96 32 81 11 Fax +45 98 17 54 99 E-mail: desmi@desmi.com www.desmi.com...

  • Page 15: Dimensional Sketch

    17. DIMENSIONAL SKETCH -15- DESMI PUMPING TECHNOLOGY A/S Tagholm 1 9400 Nørresundby - Denmark Tel.: +45 96 32 81 11 Fax +45 98 17 54 99 E-mail: desmi@desmi.com www.desmi.com...

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