INOXPA SLR-A Installation, Service And Maintenance Instructions Download

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INSTALLATION, SERVICE AND

MAINTENANCE INSTRUCTIONS

SLR-A

INOXPA, S.A.

c/Telers, 54 Aptdo. 174

E-17820 Banyoles - Girona (Spain)

Tel.: (34) 972 - 57 52 00

Fax.: (34) 972 - 57 55 02

Email: [email protected]

www.inoxpa.com

Original Manual

01.505.30.00EN

(B) 2021/11

Summary of Contents for SLR-A

Page 1: ...CE AND MAINTENANCE INSTRUCTIONS SLR A INOXPA S A c Telers 54 Aptdo 174 E 17820 Banyoles Girona Spain Tel 34 972 57 52 00 Fax 34 972 57 55 02 Email inoxpa inoxpa com www inoxpa com Original Manual 01 505 30 00EN B 2021 11 ...

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Page 4: ... Electrical hazard Danger Caustic or corrosive agents Danger Suspended loads Danger for the proper operation of the machine A safe working environment must be ensured at all times The use of safety glasses is mandatory 1 4 GENERAL SAFETY INSTRUCTIONS Please carefully read this instruction manual prior to installing and starting up the pump Contact INOXPA in the case of any doubts or questions 1 4 ...

Page 5: ...ing electric mechanical and chemical hazards The atmospheric conditions in the room may impose a hazard due to the substances that are released 1 4 5 Warranty We wish to emphasize that any warranty provided will be void and that we have the right to receive compensation in the case of any civil responsibility claim by products presented by third parties in the following cases The operation and mai...

Page 6: ... 3 Location 10 4 4 Piping 10 4 5 Electrical installation 11 5 Start up 12 5 1 Start up 12 5 2 Safety valve 13 6 Operating problems 14 7 Maintenance 15 7 1 General considerations 15 7 2 Storage 15 7 3 Cleaning 16 7 4 Disassembly of the pump 17 7 5 Assembly of the pump 20 7 6 Setting and synchronizing the lobes 22 7 7 Assembly disassembly of the mechanical seal option 23 8 Technical Specifications 2...

Page 7: ...mp operates A As the lobes rotate the space on the suction side increases because one lobe separates from the other causing a partial vacuum that pushes the liquid into the pumping chamber B Each lobe is filled consecutively as the shafts rotate and the liquid is displaced towards the discharge side The small clearances that exist between the lobes and between the lobes and walls of the pump body ...

Page 8: ...d of application for each type of pump is limited Each pump is ordered to meet specific pumping conditions INOXPA will not be liable for any damage that may occur if the information provided by the buyer is incomplete specifications of the liquid RPM etc 01 505 32 0002 ...

Page 9: ...the parts are included the shipping carrier should submit a report as soon as possible 4 1 1 Identification of the pump MODEL Nº kW YEAR 1 min V Qm h Hm Hz 3 17820 BANYOLES GIRONA SPAIN www inoxpa com INOXPA S A Name plate on the pump 4 2 TRANSPORT AND STORAGE The SLR A pumps are usually too heavy to be stored manually Use an adequate means of transport Use the points indicated in the diagram for ...

Page 10: ...e support clamps as close as possible to the pump s suction and discharge ports 4 4 1 Shutoff valves The pump may be isolated for maintenance For this shutoff valves must be installed and connected to the pump s suction and discharge connections These valves must ALWAYS be open when the pump is operating 4 4 2 Self priming process In general terms if the self priming process is followed the pump m...

Page 11: ...ted Contacting them may impose a hazard to operators or cause irreparable material damage Prior to handling the valve ensure the motor is stopped Connect the motor in accordance with the instructions supplied by the motor manufacturer Verify the direction of rotation refer to the label located on the pump Briefly start up the pump motor Ensure that the pumping direction is correct Operating the pu...

Page 12: ... to be pumped The pump shall NEVER turn with no fluid inside Check that the electrical power supply coincides with the power rating indicated on the motor plate Check for proper direction of rotation of the motor If the pump has a double mechanical or cooled seal install the corresponding secondary connection with the values indicated in Chapter 8 Technical specifications 5 1 2 Inspections that mu...

Page 13: ...er must verify this by observing the position of the pressure nut 37 At maximum set pressure the pressure nut is located at the lower part of its travel In order to obtain the proper opening pressure follow the procedure below Loosen the counter nut 37A Use a spanner to turn the pressure nut 37 to the left to reduce the spring tension and obtain the desired opening pressure When the desired openin...

Page 14: ...uction line and the filter s if applicable 7 Incorrect safety valve setting Verify the setting of the safety valve 8 Discharge pressure is too high If required reduce the head loss by increasing the diameter of the discharge pipe 9 Liquid viscosity is too high Reduce the speed of the pump Reduce the viscosity for example by heating the liquid 10 Liquid viscosity is too low Increase the speed of th...

Page 15: ...eals 7 1 2 Tightening torque Material Tightening torque Nm M5 M6 M8 M10 M12 M14 M16 M18 M20 8 8 6 10 25 49 86 135 210 290 410 A2 5 9 21 42 74 112 160 210 300 7 1 3 Lubrication The bearings are lubricated by immersion in an oil bath The pumps are supplied with oil Periodically check the oil level for example weekly or every 150 hours of operation The first oil change must be carried our after 150 h...

Page 16: ...nce with the instructions supplied in the section called Assembly and Disassembly of the pump Cleaning solutions for CIP processes Only use clear water chlorine free for mixing with the following cleaning agents a Alkaline solution 1 by weight of caustic soda NaOH at 70ºC 150ºF 1 kg NaOH 100 litres of water cleaning solution or 2 2 litres NaOH at 33 100 litres of water cleaning solution b Acid sol...

Page 17: ...mbly carefully clean the parts and check for any damage Replace all damaged parts Tools Use the adequate tools for carrying out the assembling and disassembling Use the tools properly Cleaning Prior to disassembling the pump clean the exterior and interior of the pump NEVER clean the pump by hand while it is operating 7 4 1 Removing the pump cover and the front wear plate CAUTION Liquid from the p...

Page 18: ...ing 80D 7 4 5 Removal of the lip seals Loosen and remove the screws 52 that fasten the counter cover 11 to the seal cover 09 the counter cover includes two M6 bores to facilitate its removal S Remove the lip seal cover 09B and check the condition of the lip seals 08 Check the material condition of the O ring 80B 7 4 6 Disassembly of the drive Loosen and remove the screws 52B that fasten the drive ...

Page 19: ...on the rear side of the bearing support 06 7 4 8 Disassembly of the shaft assembly Loosen the threaded stud 55D through the hole located below the bearing cover 12 and remove coupling 41A Loosen and remove the screws 52E Remove the bearing cover 12 to check the condition of the bearing cover gasket 18 If any defect is found find a spare prior to assembling the pump 01 505 32 0014 01 505 32 0015 ...

Page 20: ...he bearing support 06 Fill the bearing support 06 with lubricating oil to mid level of the oil sight glass 86 Refer to 7 1 3 Lubrication to find out what type and the quantity of oil to use 7 5 3 Assembly of the drive Place the coupling flector 40 and the drive coupling 41A on the drive shaft 93 and mount it on to the bearing cover 12 Tighten the screws 52B that fasten it to the bearing cover 12 7...

Page 21: ...erances Mount new O rings 80 80G on the lobe screws 25 and the screw cap 85B Lubricate the O rings with soapy water or food grease compatible with the O ring material Adjust the spacer washers 32 on the shafts 05 and 05A Refer to Chapter 7 6 3 Adjustment of pump body lobes using spacer washers Mount the lobes 02 on the shafts 05 and 05A at 90 degrees from each other Install the screw cap 85B and t...

Page 22: ... as indicated in 7 5 7 Installation of the lobes 1 0 1 0 Position 1 Position 2 Turn the lobes to positions 1 and 2 as shown in the drawing and adjust the indicated distances until the separation is the same in both positions Manually tighten several torque screws on the adjustable fastening mechanism Re check the distance and if not correct the distances must be equalled by slowly turning a lobe w...

Page 23: ...PA recommends replacing all of the mechanical seals if one of the working surfaces is found to have some defect Replace the O rings during assembly Pos Description Simple mechanical seal 01 Rotating part 02 O ring 03 Retaining stud 04 Wave spring 05 Drive bushing 06 O ring 07 Stationary part Disassembly If available remove the spacer washers 32 installed on each shaft If more than one washer is in...

Page 24: ... of the pump support 400 Nm 1 The maximum allowed viscosity will depend on the type of liquid and the sliding speed of the seal sides If the viscosity is higher consult with INOXPA Materials Parts in contact with the product AISI 420 AISI 431 Other stainless steel parts AISI 304 Seals in contact with the product NBR Surface finish Ra 0 8 mm Lip seal double material FPM Mechanical seal stationary p...

Page 25: ...2021 11 8 Technical Specifications 25 8 4 SLR A DIMENSIONS TYPE Power kW B C D SLR A 2 2 900 334 440 4 920 334 450 5 5 1030 402 480 8 5 RECTANGULAR PORT DIMENSIONS 01 505 32 0029 01 505 32 0030 ...

Page 26: ...26 8 Technical Specifications 2021 11 8 6 SLR A PARTS BREAKDOWN 8 6 1 Breakdown of the pump 01 505 32 0031 ...

Page 27: ...r wear plate 1 AISI 420 34 Port 2 AISI 316L 35A Flange washer 4 Brass 40 Flector 1 Plastic 41A Coupling 2 F 114 45 Cap nut 4 AISI 304 47 Support protection 2 PETP 50 Screw 4 A2 51 Allen screw 8 Steel 51A Allen screw 4 A2 51D Allen screw 2 A2 51E Allen screw 4 Steel 52 Screw 8 A2 52A Screw 8 A2 52B Screw 4 Steel 52D Screw 4 A2 52E Screw 6 AISI 304 53 Washer 6 Steel 53A Washer 4 Steel 53B Washer 8 A...

Page 28: ...oxpa au inoxpa com INOXPA ALGERIE INOXPA SOUTH AFRICA PTY LTD INOXPA USA Inc ROUIBA JOHANNESBURG SANTA ROSA Tel 213 21856363 21851780 Tel 27 117 945 223 Tel 1 7075 853 900 Fax 213 21854431 Fax 27 866 807 756 Fax 1 7075 853 908 e mail inoxpalgerie inoxpa com e mail sales inoxpa com e mail inoxpa us inoxpa com INOXPA UK LTD S T A PORTUGUESA LDA INOXPA ITALIA S R L SURREY VALE DE CAMBRA BALLO DI MIRA...

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