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Instruction Manual

LKHP Filtration Centrifugal Pump for High Inlet Pressure

TD 252-003

ESE01950-EN1

2011-01

Original manual

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Summary of Contents for LKHP

Page 1: ...Instruction Manual LKHP Filtration Centrifugal Pump for High Inlet Pressure TD 252 003 ESE01950 EN1 2011 01 Original manual ...

Page 2: ......

Page 3: ...th impeller screw 9 3 4 Recycling information 10 4 Operation 11 4 1 Operation control 11 4 2 Fault finding 13 4 3 Recommended cleaning 14 5 Maintenance 15 5 1 General maintenance 15 5 2 Cleaning Procedure 16 5 3 Dismantling of pump shaft seals 17 5 4 Assembly of pump shaft seal 20 6 Technical data 23 6 1 Technical data 23 6 2 Relubrication intervals 25 7 Parts list and service kits 27 7 1 LKHP Fil...

Page 4: ...p LKHP Filtration Denomination Type Year conforms with the following directives with amendments Low Voltage Directive 2006 95 EC EMC Directive 2004 108 EC Machinery Directive 2006 42 EC The technical construction file is retained at the above address Manager Product Center Fluid Handling Bjarne Søndergaard Title Name Alfa Laval Kolding Company Signature Designation 4 ...

Page 5: ...sing the pump 2 1 Important information WARNING Indicates that special procedures must be followed to avoid serious personal injury CAUTION Indicates that special procedures must be followed to avoid damage to the pump NOTE Indicates important information to simplify or clarify procedures 2 2 Warning signs General warning Dangerous electrical voltage Caustic agents 5 ...

Page 6: ...etely assembled Necessary precautions must be taken if leakage occurs as this can lead to hazardous situations Never touch the pump or the pipelines when pumping hot liquids or when sterilising Never run the pump with both the suction side and the pressure side blocked Always handle lye and acid with great care Maintenance Always read the technical data thoroughly See chapter 6 Technical data Neve...

Page 7: ... cannot be held responsible for incorrect unpacking Check the delivery for 1 Complete pump 2 Delivery note 3 Motor instructions Step 2 Remove possible packing materials from the inlet and the outlet Avoid damaging the inlet and the outlet Avoid damaging the connections for flushing liquid if supplied TD 252 004 Remove packing materials Caution Step 3 Inspect the pump for visible transportation dam...

Page 8: ...See chaper 6 Technical data Always have the pump electrically connected by authorised personnel see the motor instructions CAUTION Alfa Laval cannot be held responsible for incorrect installation Step 2 Ensure that there is sufficient clearance around the pump min 0 5 m 1 64 TD 252 006 Step 3 Check that the flow direction is correct O Outlet I Inlet TD 252 007 I O Correct Step 4 1 Ensure that the ...

Page 9: ...tion in section 5 4 Assembly of pump shaft seal TD 252 010 Step 2 1 Start and stop the motor momentarily 2 Ensure that the direction of rotation of the stub shaft 9 is anti clockwise as viewed from the inlet side See the indication label Correct TD 252 011 Stub shaft Step 3 Fit and tighten impeller 39 TD 252 012 Step 4 1 Fit pump casing 45 2 Fit washers 29 and cap nuts 28 and tighten Note Cap nuts...

Page 10: ... machine are replaced All metal parts should be sent for material recycling Worn out or defective electronic parts should be sent to a licensed handler for material recycling Oil and all non metal wear parts must be disposed of in agreement with local regulations Scrapping At the end of use the equipment must be recycled according to the relevant local regulations Besides the equipment itself any ...

Page 11: ...a CAUTION Alfa Laval cannot be held responsible for incorrect operation control Step 2 Never touch the pump or the pipelines when pumping hot liquids or when sterilising Burning danger TD 252 015 Step 3 Never run the pump with both the suction side and the pressure side blocked Explosion danger TD 252 016 Step 4 CAUTION The shaft seal must not run dry CAUTION Never throttle the inlet side See the ...

Page 12: ...1 Connect the inlet of the flushing liquid correctly 2 Regulate the water supply correctly 3 Observe the steam data O Free outlet I Inlet Correct Tmax 100 C Pmax 1 bar I O TD 252 018 Step 6 Control Reduce the capacity and the power consumption by means of Throttling the pressure side of the pump Reducing the impeller diameter Reducing the speed of the motor TD 252 019 Throttling 12 ...

Page 13: ...recipitates from the liquid Frequent cleaning Cavitation Damage Low inlet pressure Increase the inlet pressure Pressure reduction sometimes to zero High liquid temperature Reduce the liquid temperature Increasing in noise level Reduce the pressure drop before the pump Reduce speed Leaking shaft seal Dry run See 4 1 Operation control Replace All wearing parts See 5 1 General maintenance Incorrect r...

Page 14: ...Use clean water free from chlorides 1 1 by weight NaOH at 70 C 158 F 1 kg 2 2 lb 100 l 26 4 gal Cleaning agent NaOH water 2 2 l 0 6 gal 100 l 26 4 gal Cleaning agent 33 NaOH water 2 0 5 by weight HNO3 at 70 C 158 F 0 7 l 0 2 gal 100 l 26 4 gal Cleaning agent 53 HNO3 water Step 4 1 Avoid excessive concentration of the cleaning agent Dose gradually 2 Adjust the cleaning flow to the process Sterilisi...

Page 15: ...d in accordance with current rules directives Step 2 Never service the pump when it is hot Burning danger TD 252 015 Step 3 Never service the pump with pump and pipelines under pressure CAUTION Fit the electrical connections correctly if they have been removed from the motor during service see 3 3 Pre use check pump without with impeller screw CAUTION Pay special attention to the warnings TD 252 0...

Page 16: ...2 Relubrication intervals Pre use check CAUTION Fit the electrical connections correctly if they have been removed from the motor during service See 3 3 Pre use check pump without with impeller screw Pay special attention to warnings 1 Start and stop the motor momentarily 2 Ensure that the pump operates smoothly 5 2 Cleaning Procedure Cleaning procedure for Soiled Impeller Screw Tapped Hole 1 Remo...

Page 17: ...afety guard 15 TD 252 022 Step 3 Flushed shaft seal Unscrew fittings 23 using a spanner TD 252 023 Step 4 1 Remove impeller screw 41 if fitted and pull off O ring 42 2 Remove impeller 39 40 If necessary loosen the impeller by knocking gently on the impeller vanes Counterhold with a screwdriver TD 252 024 If necessary Step 5 Pull out impeller 39 40 and the rotating part of the shaft seal TD 252 025...

Page 18: ...0 2 Pull off joint ring 43 from the back plate TD 252 028 Step 9 1 Pull out stationary seal ring 32 2 Remove O ring 31 from the stationary seal ring TD 252 029 Step 10 Flushed shaft seal 1 Remove screws 22 and seal housing 21 2 Pull out lip seal 24 and O ring 26 from the seal housing 3 Slide off sleeve 27 from stub shaft 9 4 Remove O ring 25 from the sleeve TD 252 030 Step 11 1 Remove shroud 2 2 U...

Page 19: ...dy the instructions carefully The items refer to the parts list and service kits section Handle scrap correctly Relates to the shaft seal Step 13 Separate screws 13 washers 13a and compression rings 12a b TD 252 054 19 ...

Page 20: ...TD 252 055 Step 2 1 Tighten screws 13 lightly and evenly 2 Ensure that stub shaft 9 can be moved on the motor shaft TD 252 056 Step 3 Fit adaptor 17 screws 18 washers 6 and nuts 7 and tighten TD 252 057 TD 252 057 Step 4 Fit back plate 30 washers 20 and nuts 19 and tighten Tightening torques See addendum TD 252 058 Step 5 Assemble the rotating part of the shaft seal as shown above CAUTION Ensure t...

Page 21: ... 32 2 Press the stationary seal ring into back plate 30 TD 252 039 Step 10 Flushed shaft seal 1 Fit lip seal 24 and O ring 26 in seal housing 21 2 Fit the housing on back plate 30 and tighten the screws 22 3 Slide sleeve 27 with O ring 25 onto stub shaft 9 TD 252 040 Step 11 1 Fit back plate 30 washers 20 and nuts 19 and tighten Tightening torques See 6 Technical data 2 Fit O ring 43 on the back p...

Page 22: ...Handle scrap correctly Relates to the shaft seal Step 14 1 Fit pump casing 45 2 Fit washers 29 and cap nuts 28 and tighten Note Cap nuts must be tightened according to torque values in the 6 Technical data TD 252 043 Step 15 1 Mount shroud 2 2 Position safety guard 15 and screw 14 and tighten TD 252 044 22 ...

Page 23: ...max 1 bar max 14 5 psi Water consumption flushed seal 0 25 0 5 l min 0 06 0 13 gl Material stationary seal ring Silicon Carbide Material rotating seal ring Silicon Carbide Material Quad O rings EPDM standard Alternative material O rings Nitrile NBR and Fluorinated rubber FPM and FEP Motor IEC LKHPF Standard foot flanged motor according to IEC metric standard 2 poles 3000 3600 rpm at 50 60 Hz IP55 ...

Page 24: ... 67 49 0 M14 110 81 0 Noise Pump Type Sound pressure level dBA LKHPF 10 69 LKHPF 20 70 LKHPF 25 74 LKHPF 35 71 LKHPF 40 75 LKHPF 45 70 LKHPF 50 75 LKHPF 60 77 LKHPF 70 88 Noise measurements are carried out with the original motor and shroud approximately at the Best Efficiency Point BEP with water at ambient temperature and at 50Hz Often the noise level generated by the flow through the process sy...

Page 25: ...ed 3600h 3000h DE NDE 15g 160 11 Permanently lubricated 3100h 2300h DE NDE 25g 160 15 Permanently lubricated 3100h 2300h DE NDE 25g 160 18 5 Permanently lubricated 3100h 2300h DE NDE 25g 180 22 Permanently lubricated 2600h 2000h DE NDE 30g 8000h 6000h DE NDE 42g 200 30 Permanently lubricated 8000h 6000h DE NDE 40g 4500h 2000h DE NDE 55g 200 37 Permanently lubricated 8000h 6000h DE NDE 40g 5000h 25...

Page 26: ... 324TS 455TS 3600 40 150 6 Months 2 Months 143T 256T 1 20 284T 326T 25 50 4 Months 18 Months 364T 445T 1800 60 150 9 Months 3 Months 143T 256T 0 75 10 284T 326T 15 30 4 Years 16 Years 364T 445T 1200 40 125 1 Year 4 Months Motor of this size normally do not have bearings that can be re lubricated These bearings should be replaced at least every 5 years for 8 hr day service or every 2 years for 24 h...

Page 27: ... Pump for High Inlet Pressure TD 252 047 53 3 50 49 52 51 13 12a 12b 13a 30 9 45 43 39 44 29 17 28 15a b 14 2a 18 7 6 1 46a b 2 48 47 20 19 TD 252 048 40 41 42 TD 252 050 Mounting of back plate to adaptor Impeller screw 5 TD 252 049 54 55 56 TD 252 059 22 10 24 21 27 25 26 32 23 36 35 33 37 38 34 31 TD 252 051 Mounting of legs Mounting of legs 55 75 kW 27 ...

Page 28: ...7 Parts list and service kits The drawing shows the LKHPF pump The items refer to the parts lists in the following sections 7 2 LKHPF Wet end 28 ...

Page 29: ...he following sections Parts list Pos Qty Denomination 19 2 Nut 20 2 Washer 28 10 Cap nut 12 Cap nut 18 Cap nut 29 10 Washer 12 Washer 18 Washer 30 1 Back plate 39 1 Impeller 40 1 Impeller for impeller screw 41 1 Impeller screw 42 1 O ring 43 1 O ring 44 10 Bolt 12 Bolt 18 Bolt 45 1 Pump casing compl 29 ...

Page 30: ...7 Parts list and service kits The drawing shows the LKHPF pump The items refer to the parts lists in the following sections 7 3 LKHPF Mortor dependent parts 30 ...

Page 31: ... for adaptor 7 4 Nut for adaptor 9 1 Shaft 10 1 Connex pin 11 1 Retaining ring 12a 1 Compression ring with thread 12b 1 Compression ring without thread 13 6 Screw 13a 6 Washer 14 1 Screw for safety guard 15 1 Safety guard set 17 1 Adaptor 18 4 Screw for adaptor 46a 1 Support bar right 46b 1 Support bar left 47 4 Leg 48 4 Screw 49 4 Spring washer 50 4 Nut 51 4 Screw 52 4 Washer 53 4 Pivot screw 54 ...

Page 32: ...7 Parts list and service kits The drawing shows the LKHPF pump The items refer to the parts lists in the following sections 7 4 LKHPF Shaft seals 32 ...

Page 33: ...11 92 2154 9611 92 2155 9611 92 2156 Service kit SIC SIC LKHPF 25 35 9611 92 2197 9611 92 2198 9611 92 2199 Service kit SIC SIC LKHPF 40 50 60 9611 92 2166 9611 92 2167 9611 92 2168 Service kit SIC SIC LKHPF 70 9611 92 2946 9611 92 2947 9611 92 2948 Service kit for flushed shaft seal Service kit SIC SIC LKHPF 10 9611 92 2145 9611 92 2146 9611 92 2147 Service kit SIC SIC LKHPF 20 9611 92 2157 9611 ...

Page 34: ...7 Parts list and service kits The drawing shows the LKHPF pump The items refer to the parts lists in the following sections LKHPF 70 9611 92 2958 Pos 21 22 23 24 25 26 and 27 TD900599 0 34 ...

Page 35: ...35 ...

Page 36: ...s the responsibility of the user of this document to comply with all applicable intellectual property laws Without limiting any rights related to this document no part of this document may be copied reproduced or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise or for any purpose without the expressed permission of Alfa Laval Corporate AB Alfa Laval...

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