VARISCO ST-R Series Instructions For Use And Maintenance Manual
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VARISCO ST-R Series Instructions For Use And Maintenance Manual

Self-priming trash pumps
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Instructions for Use and Maintenance
Self-priming Trash Pumps
ST-R-Series
Revision EN 01 Cod. 400
2001 - 05
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
www.collyflowtech.se
www.collyflowtech.se
info@collyflowtech.se
info@collyflowtech.se
Tel: 08-703 01 30
Tel: 08-703 01 30
ISO 9001 ISO 14001
ISO 9001 ISO 14001

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  • Page 1 Instructions for Use and Maintenance TRANSLATION OF THE ORIGINAL INSTRUCTIONS Self-priming Trash Pumps ST-R-Series www.collyflowtech.se www.collyflowtech.se Revision EN 01 Cod. 400 info@collyflowtech.se info@collyflowtech.se 2001 - 05 Tel: 08-703 01 30 Tel: 08-703 01 30 ISO 9001 ISO 14001 ISO 9001 ISO 14001...
  • Page 2 Before putting the unit into operation, read the instructions herein carefully. The unit has been thoroughly tested, for several hours, prior to delivery; performance has been checked and relevant requirements met, within the acceptable tolerance limits. If the instructions for use and maintenance are observed, the unit will give full performance for a long time.
  • Page 3 CONTENTS 1 IDENTIFICATION Pag. 4 ......................Manufacturer .

  • Page 4: Warranty

    Call the following number: WARRANTY - VARISCO S.p.A. warrants that only top-quality materials are used in the construction of their pumps and that machining and assembly are carried out to high standards. - The company also warrants units supplied, in conformity with general terms of sale, against defective materials or faulty workmanship for a period of one year from the material's date of delivery unless specifically stated otherwise in writing.

  • Page 5: Installation

    SAFETY RULES AND ACCIDENT PREVENTION When working near the pumping unit, dress appropriately, avoiding baggy clothes with loose items (ties, scarves, etc.), which could get caught in moving parts. Use overalls fig. 1 made according to safety regulations, gloves, insulating shoes, safety glasses, safety earmuffs and hard hat (fig.1).
  • Page 6 Clean pipework thoroughly before connecting it to the pump. Suction pipes must have the same diameter as the pump suction port (for larger diameters, seek Varisco’s advice). Where possible, avoid curves, elbows or constrictions liable to limit the flow of liquid to the pump. Do not fit the foot valve: the pump comes with a built-in nonreturn valve (14.1) (fig.
  • Page 7 STARTING Before operating the pump, check that electrical and mechanical parts of the system have been correctly installed. Make sure all safety devices are operative. Make sure the pump’s direction of rotation is correct (section 11.1) Check the seal and bearing oil level by means of the oil level sight glasses on the support (fig. 7a) The seal is an oil-immersed model (Mobil Delvac SAE 15W-40.), and should be replaced after 5,000 hours of operation, or once a year.

  • Page 8: Maintenance

    MAINTENANCE Before maintenance is carried out, the pump must be stopped and the power supply disconnected. The supply must only be switched back on by the operator performing maintenance. Warning: residual liquid may be found in the pump casing, head and suction line. Comply with safety procedures for the handling of hazardous liquids (flammable, corrosive, poisonous, infected etc.).
  • Page 9 fig. 9 fig.10 25.1 25.2 13.7 Impeller positioning with respect to wear plate(s) (fig. 11) In all models, the distance between the tip of the impeller blades (03) and surface of the wear plate (02) must be in the range 0.5 - 0.7 mm. To achieve this value, you need to move wear plate (02) away from the impeller (03) by turning the screws (54.5) once you have calculated "C"...

  • Page 10: Troubleshooting: Causes And Remedies

    13.8 Bearings maintenance (fig. 9) The pump is supplied with oil-immersed bearings (DELVAC SAE 15W - 40) and they do not require maintenance for the first 5,000 hours of operation. Change oil once a year. 13.9 Replacing bearings - Drain the pump casing as indicated in section 7.1 Warning: residual liquid may be found in the pump casing, head and suction line.
  • Page 11 20 viscosity of the liquid is higher than expected contact VARISCO once you have measured the viscosity of the liquid. Viscosity for centrifugal pumps should not exceed 50 cSt. Check for other possible causes: see point 5 in section 14.1, and section 14.2.
  • Page 12 14.8 BEARINGS DO NOT LAST 33 lack of lubrication lubricate bearings as described in section 13.8 34 foreign matter in bearings replace bearings as described in section 13.9 35 bearings are rusted replace bearings as described in section 13.9 14.9 THE SEAL LEAKS 36 poor lubrication Check oil level.
  • Page 16 KUNDSERVICE MARKNADENS 08-703 01 30 BREDASTE www.collyflowtech.se SORTIMENT 08-752 99 92 AV SERVICEKIT! info@collyflowtech.se n Stort urval av slitdetaljer, reservdelar och kit till flertalet fabrikat av pumpar och hygieniska ventiler. n Även sortiment med reservdelar av högsta kvalité till bla. skrap- och plattvärmeväxlare. n Konkurrenskraftiga priser –...

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