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Instruction Manual

1. 3000 01131 Fitting of back plate ISS NS ENN N JA q ANR SANN f 3001 0058 Single shaft seal Only used for 55 110 kW Fitting of legs Double mechanical shaft seal Only used for LKH 70 75 85 90 O TD 200 379_1 Impeller screw 44 45 7 Parts list and service kits The drawing shows the LKH pump sanitary version 7 3 LKH Product wetted parts 9614 0608_ROW 3000 0055 If inducer 57 is retrofitted Pump inlet may have to be slightly ground 46 7 Parts list and service kits The drawing shows the LKH pump sanitary version Parts list Pos Qty Denomination 20 2 Nut 21 2 Washer 24 G Cap nut 24a 6 Washer 25 1 Back plate 26 Oe0 AA 1 O ring POET 2T 1 Impeller 28 6 Bolt 29 1 Pump casing 36 1 Impeller screw 37 1 Impeller for impeller screw 38 exato 1 O ring 55 1 Upper clamp 50a 1 Lower clamp 56 2 Screw 56a 2 Spring washer oy aaa 1 Inducer 47 7 Parts list and service kits The drawing shows the LKH pump sanitary version 7 4 LKH Motor dependent parts 48 9614 0608_ROW 3000 0055 7 Parts list and service kits The drawing shows the LKH pump sanitary version Parts list Pos Qty Denomination 1 1 Motor ABB 1 Motor ABB 2 1 Shroud 3 4 Screw 4 2 Screw 5a 1 Compressio
2. cee cece eee eee 9611922088 Service kit for single shaft seal SiC SiC Service kit SIC SIC LKH 5 oo cece eect eee eee eens 9611922522 Service kit SIC SiIC LKH 10 15 0 eee eee eee 9611922546 Service kit SIC SIC LKH 20 oo ccc cee ees 9611922570 Service kit SIC SIC LKH 25 35 45 ok 9611922594 Service kit SIC SiC LKH 40 50 60 oo eee cece eee 9611922619 Service kit for single shaft seal and impeller screw C SiC VM Service kit C SIC LKH 5 ok cece e cece eee eennes 9611922306 Service kit C SIC LKH 10 15 serrera r aa 9611922114 Service kit C SiC LKH 20 deet ee EE EE 9611922122 Service kit C SiC LKH 25 35 45 oo cece cece een een ees 9611922182 Service kit C SiC LKH 40 50 60 1 cc cece cece eee eae 9611922130 SEVEN ue ZENNER ENEE EN 9611922238 Service Kit C SIO LKR BS eana Ee AE RE 9611922952 service Kit CECR RE re DEEN deu ress 9611922867 96119223803 96119223804 9611922305 9611922073 9611922074 9611922075 9611922081 9611922082 9611922083 9611922179 9611922180 9611922181 9611922089 9611922090 9611922091 9611922523 9611922524 9611922525 9611922547 9611922548 9611922549 9611922571 9611922572 9611922573 9611922595 9611922596 9611922597 9611922620 9611922621 9611922622 9611922307 96119223808 9611922309 9611922115 9611922116 9611922117 9611922123 9611922124 9611922125 9611922183 9611922184 9611922185 9611922131 9611922132 9611922133 9611922239 9611922240 9611922241 96
3. Caution The pump does not prevent back flow when intentionally or unintentionally stopped If back flow can cause any hazardous situations precautions must be taken e g check the valve to be installed in the system preventing hazardous situations from arising Step 2 Ensure at least 0 5 m 1 6 ft clearance around the pump h SSII II j de R Ge ke ni el ui vc N UUUUUDUINE N E J N K N N 3000 0063 N e CORRS YX Se e AS ARA QQ 0y Ook KR N SOs AA Ki Ge Step 3 Check that the flow direction is correct O Outlet I Inlet a S 3000 0064 3 Installation Read the instructions carefully and pay special attention to the warnings Always check the pump before operation See pre use check in section 3 3 Pre use check pump without impeller screw The large pump sizes are very heavy Alfa Laval therefore recommends the use of a lifting crane when handling the pump Step 4 1 Ensure that the pipelines are routed correctly 2 Ensure that the connections are tight Remember seal rings 3000 0065 Few bends Step 5 Avoid stress on the pump Pay special attention to Vibrations Thermal expansion of the tubes Excessive welding Overloading of the pipelines Note G 3000 0066 F In case of shaft seal leakage the
4. Step 3 1 Tighten screws 4 lightly and evenly 2 Ensure that stub shaft 7 can be moved on the motor shaft Step 4 1 For the double mechanical shaft seal Fit drive ring 52 on stub shaft 7 2 Fit back plate 25 washers 21 and nuts 20 and tighten 33 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Lubricate the rubber seals before fitting them x Relates to the shaft seal Step 5 1 Fit impeller 27 on stub shaft 7 2 Ensure that the clearance between the impeller and back plate 25 is correct 0 5 mm 0 02 inch for LKH 5 LKH 5 0 5 mm 0 02 inch Step 6 Tighten screws 4 evenly to 15 Nm 11 Ibf ft 34 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Lubricate the rubber seals before fitting them x Relates to the shaft seal 5 8 Adjustment of shaft LKH 10 to 90 LKH 70 to 90 For securing the best fixture to the motor shaft ensure the following Conical surfaces on the pump shaft and compression rings are applied with grease No grease on the motor shaft No grease on the inside diameter of the pump shaft Screws for the compression rings are applied with grease Step 1 1 Loosen screws 6 2 Pull off stub shaft 7 together with compression rings 5a 5b Step 2 1 Push stub shaft 7 together with c
5. 24 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Handle scrap correctly x Relates to the shaft seal Step 5 1 Clean the sealing surfaces with contact cleaner before fitting back plate 25 2 Carefully guide the back plate onto adaptor 16 3 Fit washers 21 and nuts 20 3000 0092 E Step 6 Lubricate O ring 26 and slide it onto back plate 25 3000 0093 E Step 7 1 Lubricate O ring 88 and fit it in impeller 37 if impeller screw is used 2 Lubricate impeller hub with silicone grease or oil 3 Screw the impeller onto stub shaft 7 4 Fit impeller screw 89 and tighten if used Torque 5 60 20 Nm 15 Ibf ft Torque 70 90 50 Nm 37 Ibf ft Step 8 Fit safety guards 22 and screw 23 and tighten If pump is not supplied with flush connections the holes in the adaptor will be covered by the guard 25 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Handle scrap correctly x Relates to the shaft seal Step 9 A LKH 5 Fit pump casing 29 clamps 55 55a spring washers 56a and screws 56 B LKH 10 to 90 Fit pump casing 29 washers 24a and cap nuts 24 2 Adjust pump casing to the right position 3 A LKH 5 Tighten nuts 20 for back plate 25 and tighten screws 56 B LKH 10 to 90 Tighten nu
6. 3 Fit spring 13 on one of the rotating seal rings 14 and place the drive ring 52 in between Step 2 de 1 LKH 70 to 90 Turn the drive ring 52 in order to place it correctly on the pump shaft 7 2 Fit the second rotating ring 14 on the other end of the spring 3 Place the parts on the stationary seal ring fitted in back plate Only LKH 70 90 25 o e NOTE We Ensure that both drive pins on the drive ring enter the notches in Q le j rotating seal rings DANN E Me e NN LINING ZZ RK f Step 3 1 Lubricate O ring 44 and slide onto seal housing 40a 2 Lubricate O ring 50 and fit on stationary seal ring 51 and fit this in the seal housing 8 Step 4 Ss A 1 Clean the sealing surfaces with contact cleaner 2 Fit seal housing 40a on the back plate 25 and tighten screws 41 3000 0085 ebe Step 5 i 1 To enable fitting of back plate 25 with the shaft seal remove Connex pin 8 from stub shaft 7 if fitted 2 Carefully guide the back plate onto adaptor 16 3 Fit washers 21 and nuts 20 Step 6 N Lubricate O ring 26 and slide it onto back plate 25 3000 0093 30 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Lubricate the rubber seals before fitting them x Relates to the shaft seal Step 7 1 Lubricate O ring 88 and fit it in impeller 37 if impelle
7. 20 25 35 40 50 60 70 75 85 90 sanitary version 44 Feos GEES Uod PANS Veto eh eebe Ae 46 7 4 LKH Motor dependent e EE 48 Ros LEAS ONIES EE 50 1 EC Declaration of Conformity Revision of Declaration of Conformity 2009 12 29 The Designated Company Alfa Laval Kolding A S Company Name Albuen 31 DK 6000 Kolding Denmark Address 45 79 32 22 00 Phone No hereby declare that Pump Designation LKH 5 LKH 10 LKH 15 LKH 20 LKH 25 LKH 35 LKH 40 LKH 45 LKH 50 LKH 60 LKH 70 LKH 85 LKH 90 Type From serial number 10 000 to 1 000 000 is in conformity with the following directive with amendments Machinery Directive 2006 42 EC The person authorised to compile the technical file is the signer of this document QHSE Manager Quality Health and safety amp Environment Annie Dati Title GEES E F eat i GN Ss d Kolding 2013 12 03 ka Ke SL CG SES Date Signature 2 Safety Unsafe practices and other important information are emphasised in this manual Warnings are emphasised by means of special signs Always read the manual before using the pump 2 1 Important information WARNING E 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
8. 20 eelere dee 9611922582 9611922583 9611922584 9611922585 service kit SIC SIC LKH 25 35 45 kee cece cece eee e eee eeee 9611922606 9611922607 9611922608 9611922609 service kit SIC SIC LKH 40 50 60 cece cece eee ee eee eee 9611922631 9611922632 9611922633 9611922634 Semice Kil oI EEN eege dE eg 9611922647 9611922648 9611922649 9611922650 SEIVICE KIT SIC SIG EE 9611922968 9611922969 9611922970 9611922971 Service KilsolO SIC KERIO EE 9611922883 9611922884 9611922885 9611922886 GGG OG GGG G NN em em mm ina ii DDE Service kit for double mechanical shaft seal C SiC 7 Se ee e ENEE 9611922318 9611922319 9611922320 9611922321 A Service kit C SIG LKH ale KEE 9611922206 9611922207 9611922208 9611922209 A Device Kil EE ee Eege 9611922214 9611922215 9611922216 9611922217 A service kil C SIG EKA 29 30 49 savntussan ates remitiu 9611922222 9611922223 9611922224 9611922225 A Service kit C SiC LKH 40 50 60 oo cece cece eee eee eee 9611922230 9611922231 96119222382 9611922233 52 7 Parts list and service kits The drawing shows the LKH pump sanitary version Service kit for double mechanical shaft seal SiC SiC 3 service kit SIC SIC EE eege en aa a aaa Service kit SiC SiC LKH 10 15 oo cece cece cece Service kit SIC SIG LKH 20 ee besias dace AEN Heese vee Service kit SIC SIC LKH 25 35 45 oo eee cece Service kit SIC SiC LKH 40 50 60 cece eee eeee eee 2 SS Service kit for
9. 365 380 396 522 557 85 417 432 448 574 609 889 949 90 430 445 461 587 622 Weight can vary depending of configuration Weihgt is only to be seen as a reference value during handling transporting and packaging 41 6 Technical data lt is important to observe the technical data during installation operation and maintenance Inform personnel about the technical data 6 5 Noise emission Pump Type Sound pressure level dBA LKH 5 60 LKH 10 69 LKH 15 Te LKH 20 70 LKH 25 74 LKH 35 al LKH 40 O LKH 45 70 LKH 50 75 LKH 60 TT LKH 70 88 LKH 75 79 LKH 85 86 LKH 90 Lee LKH 112 70 LKH 113 69 LKH 114 68 LKH 122 Lo LKH 123 TI LKH 124 80 SolidC 1 68 SolidC 2 72 SolidC 3 TS SolidC 4 E MR 166 76 MR 185 82 MR 200 81 MR 300 82 GM 54 FM OS 61 The above LKH noise levels are the same for LKHPF LKHI LKH UltraPure LKH Evap and LKHex The above SolidC noise levels are the same for SolidC UltraPure The noise measurements have been carried out using the original motor and shroud at the approximate Best Efficiency Point BEP with water at ambient temperature and at 50 Hz Very often the noise level generated by the flow through the process system e g valves pipes tanks etc is much higher than what generated by the pump itself Therefore it is important to consider the noise level from the total system and ta
10. 54 from rotating seal rings Step 9 Double mechanical shaft seal 1 Remove stationary seal ring 51 from seal housing 40a 2 Remove O ring 50 from stationary seal ring 51 3 Remove O ring 44 from seal housing 40a Step 10 1 Remove the complete shaft seal from stub shaft 7 2 Remove spring 13 and rotating seal ring 14 from the drive ring 10 3000 0087 Eg 23 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Handle scrap correctly x Relates to the shaft seal 5 4 Assembly of pump single shaft seal Step 1 1 Remove spring 13 NOTE Make sure that O ring 15 has maximum clearance from the sealing surface Step 2 1 Refit spring 13 on rotating seal ring 14 2 Fit the spring and the rotating seal ring on drive ring 10 CAUTION Ensure that the driver on the drive ring enters the notch in the rotating seal ring 3000 0089 Step 3 Fit the complete shaft seal on stub shaft 7 NOTE Make sure that Connex pin 8 on the stub shaft enters the notch in drive ring 10 3000 0090 Step 4 1 Fit O ring 12 on stationary seal ring 11 and lubricate 2 Screw the stationary seal ring into back plate 25 CAUTION Only tighten by hand to avoid deforming the stationary seal ring Use the tool Max 7 Nm 5 lbf ft supplied 3000 0091 OG be E Left hand thread
11. Alfa Laval sales company Note If the pump is supplied with FEP O rings Alfa Laval recommends that the casing O ring is replaced during pump maintenance 18 5 Maintenance Maintain the pump with care Read the instructions carefully and pay special attention to the warnings Always keep spare shaft seals and rubber seals in stock See separate motor instructions Check the pump for smooth operation after service Preventive maintenance Maintenance after leakage leakage normally starts slowly Planned maintenance Lubrication Shaft seal Replace after 12 months one shift Complete shaft seal Replace at the end of the day Complete shaft seal Regular inspection for leakage and smooth operation Keep arecord of the pump Use the statistics for inspection planning Replace after leakage Complete shaft seal Before fitting Lubricate the O rings with silicone grease or silicone oil Rubber seals Replace when replacing the shaft seal Replace when replacing the shaft seal Replace when replacing the shaft seal Before fitting Silicone grease or silicone oil Motor bearings Yearly inspection is recommended Replace complete bearing if worn Ensure that the bearing is axially locked See motor instructions See section 6 2 Relubrication intervals Pre use check CAUTION Fit the electrical connections correctly if they have been removed from the motor dur
12. counter pressure throttling Frequent cleaning Increase the inlet pressure Reduce the liquid temperature Reduce the pressure drop before the pump Reduce speed Replace All wearing parts If necessary Change rubber grade Select stationary and rotating seal ring in silicon carbide silicon carbide Change rubber grade 16 4 Operation The pump is designed for cleaning in place CIP CIP Cleaning In Place Study the instructions carefully and pay special attention to the warnings NaOH Caustic Soda HNO3 Nitric acid 4 3 Recommended cleaning Step 1 Always handle lye and acid with great care Always use rubber gloves Caustic danger Always use protective goggles Step 2 Never touch the pump or the pipelines when sterilising Danger of burns Ga 3000 0072 Step 3 Examples of cleaning agents Use clean water free from chlorides 1 1 by weight NaOH at 70 C 158 F Cleaning agent 1 kg 2 2 Ib 100 26 4 gal NaOH water 2 2 0 6 gal 100 26 4 gal 33 NaOH water Cleaning agent 2 0 5 by weight HNO3 at 70 C 158 F 0 7 0 2 gal 53 HNOs3 100 26 4 gal water Cleaning agent Avoid excessive concentration of the cleaning agent Dose gradually Adjust the cleaning flow to the process Sterilisation of mi
13. 093 E Step 6 1 Lubricate O ring 38 and fit it in impeller 37 if impeller screw is used 2 Lubricate the impeller hub with silicone grease or oll 3 Screw impeller 27 onto stub shaft 7 4 Fit impeller screw 386 and tighten if used Torque 5 60 20 Nm 15 Ibf ft Torque 70 90 50 Nm 87 Ibf ft Step 7 1 Screw tubes 42 into seal housing 40 2 Tighten with a spanner Step 8 Fit safety guard 22 and screw 23 and tighten 28 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Lubricate the rubber seals before fitting them x Relates to the shaft seal Step 9 A LKH 5 Fit pump casing 29 clamps 55 55a spring washers 56a and screws 56 B LKH 10 to 90 Fit pump casing 29 2 Tighten nuts 20 for back plate 25 3 A LKH 5 Tighten nuts 20 for back plate 25 and tighten screws 56 B LKH 10 to 90 Fit washers 24a and cap nuts 24 and tighten according to the torque values in chapter 6 Technical data LKH 85 and LKH 90 29 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Lubricate the rubber seals before fitting them x Relates to the shaft seal 5 6 Assembly of pump double mechanical shaft seal Step 1 1 Fit O rings 15 in rotating seal rings 14 2 LKH 70 to 90 Fit cups 54 on rotating seal rings 14
14. 11922569 9611922591 9611922592 9611922593 9611922615 9611922616 9611922617 9611922640 9611922641 9611922642 9611922652 9611922653 9611922654 9611922973 9611922974 9611922975 9611922888 9611922889 9611922890 Parts marked with O 0 Aa m3ee are included in the service kits Recommended spare parts Service kits Q900601 5 Conversion kit single to double mechanical shaft seal Please order double mechanical service kit pos 40a 41 42 for LKH 85 pos 40a 41 42a Conversion kit single to flushed shaft seal Please order Flushed service kit pos 10 41 42 for LKH85 pos 10 40 41 42a Replace to inducer for pump with impeller screw Please order pos 7 57 88 Replace inducer for pump without impeller screw please order pos 7 5 7 37 88 53 54 55 How to contact Alfa Laval Contact details for all countries are continually updated on our website Please visit www alfalaval com to access the information directly 1999 02 Alfa Laval Corporate AB This document and its contents is owned by Alfa Laval Corporate AB and protected by laws governing intellectual property and thereto related rights It is 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 purpos
15. 11922953 9611922954 9611922955 9611922868 9611922869 9611922870 51 7 Parts list and service kits The drawing shows the LKH pump sanitary version Denomination EPDM NBR FPM FEP Service kit for single shaft seal and impeller screw SiC SiC DEMICE KIL EE Ne EE 9611922526 9611922527 9611922528 9611922529 Service Kil SIC SIG EKAZ1O 15 was ciy center siener 9611922550 9611922551 9611922552 9611922553 Service kit SiC SiIC LKH 20 ditvoicatieieattasstewoseeeea tats 9611922574 9611922575 9611922576 9611922577 Service kit SIC SICXLKA 29 35 45 EE 9611922598 9611922599 9611922600 9611922601 service kit SIC SIC LKH 40 50 60 cece cece eee erence 9611922623 9611922624 9611922625 9611922626 Service Kil SIC SIG MKEIE LO EE 9611922643 9611922644 9611922645 9611922646 service kil SIC SIC LKH 8S site ebe E 9611922964 9611922965 9611922966 9611922967 service E Le EE 9611922879 9611922880 9611922881 9611922882 4 Nm em em A iD Service kit for flushed shaft seal C SiC O Seice kit CSIC Haer ee e See e 9611922310 96119223811 9611922312 9611922313 2 Service Kit C SIC LKH LOD geess 9611922076 9611922077 9611922078 9611922079 0 service kit C SIC EKA H20 Ee e ME 9611922084 9611922085 9611922086 9611922087 O service Kit C SIC LKH 25 35 45 EE 9611922186 9611922187 9611922188 9611922189 O Service kit C SiC LKH 40 50 60 essssrrrrereerrrrrerreren 9611922092 9611922093 9611922094 961192209
16. 2 2 Warning signs General warning Dangerous electrical voltage Caustic agents GES 2 Safety All warnings in the manual are summarised on this page Pay special attention to the instructions below so that severe personal injury and or damage to the pump are avoided 2 3 Safety precautions Installation Always read the technical data thoroughly See chapter 6 Technical data Always use a lifting crane when handling the pump Pump without impeller screw Always remove the impeller before checking the direction of rotation Never start the pump if the impeller is fitted and the pump casing is removed Pump with Impeller screw Never start in the wrong direction of rotation with liquid in the pump Always have the pump electrically connected by authorised personnel See the motor instruction Operation Always read the technical data thoroughly See chapter 6 Technical data 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 Never run the pump when partially installed or not completely assembled Necessary precautions must be taken if leakage occurs as this can lead to hazardous situations Always handle lye and acid with great care Never use the pump for products not mentioned in the Alfa Laval pump selection program The Alfa Laval pump selection program can be acquired from your local Al
17. 3 bar max 43 5 psi Water consumption double mechanical seal 0 25 0 5 l min 0 07 0 13 gl Material stationary seal ring Acid resistant steel with sealing surface of silicon carbide Material rotating seal ring Carbon standard or silicon carbide Material O rings EPDM standard Alternative material O rings Nitrile NBR fluorinated rubber FPM and FEP Motor Foot flanged motor according to IEC metric standard 2 poles 3000 3600 rom at 50 60 Hz IP55 insulation class F Motor sizes kW 50 Hz 0 75 110 kW Motor sizes kW 60 Hz 0 9 110 kW Motor sizes Hp 60 Hz 1 5 150 Hp For further information see PD sheet 37 6 Technical data lt is important to observe the technical data during installation operation and maintenance Inform personnel about the technical data 6 2 Relubrication intervals The table is for an internal bearing temperature of 100 C An increase in temperature of 15 C ambient or internal in bearings will reduce the greasing interval and bearing lifetime by 50 The lubrication interval for vertically mounted pumps is half the value stated in the table ABB IEC motors IE3 Motor LKH5 90 LKHPF 10 60 LKHPF 70 LKH 85 power LKHI10 60 LKHI 10 60 LKH 120 7300 Bearing kW LKH 110 LKH 110 7200 Bearing 50 60 Hz LKHSP 3300 Bearing 50 60 Hz LKH UltraPure 50 60 Hz 50 60 Hz 0 75 Permanently lubricated Ael Permanently lubricated 1 5 Permanently lub
18. 3000 0059 ESEO0698 EN18 2015 03 Original manual Table of contents The information herein is correct at the time of issue but may be subject to change without prior notice 1 EC Declaration orfContonmny EE 4 E EE 5 Ze Vaz DOAN IERT 22k ate t eet tee e EE Rais Se oe tie 5 Zee EE geheegt 5 GE DAICLY DISCCOUMIONG Ae ge EE ate EE dE 6 3 le CIE de Te BEE D Sali Unpacking delVen EE 7 E e Ed Le EE 9 3 3 Pre use check pump without impeller SCrEW vo ccc ccc cence ence teen eee teeeeetenenes jf 3 4 Pre use check pump with impeller SCrEW occ ccc cece ce eee eee e eee eee eeteeetetenenes 19 E Ee e are let ei pe NEE 13 a leede WEE 14 Ae EIERE ebe GA 14 Ee EE EIERE ere EE 16 E SEENEN 17 e Maintenance EE 18 EE EE eet dene e ee 18 O25 Cleaning FrocedUrG EE 20 5 3 Dismantling of pump shaft seals gett e Eege Ee EE E ER 24 5 4 Assembly of pump single shaft seal oo cece c ccc eee cee eee eee e nese ee taeeneeneeeteneaes 24 Do ASSeEMbly O DUMp TlUShed Shall Seal EE 27 5 6 Assembly of pump double mechanical shaft Seal eee eee e teen eee nen ees 20 el Eege EE REH E NEE 33 58 Adustmento shat LKA TOTOO EE 25 6 Teeme eda Gata a lait een aati dS Hie a eee ree wee ei iocku awe teton 37 els Kg TR Ee e EE EE EE ER 6 2 ReEIUONCALOMMINNGIVAIS Ae E EE EE EE 38 Gs TOUS PECICA ONS EE 41 E EE eene ee 41 SESAO oS ES oa E EE E EA EES E E eier EE E EE 42 fa Parts list and Service ai EE 43 E DR lee e IER 43 7 2 LKH 10 15
19. 326T 1800 25 50 4 Months 18 Months 3647 4451 60 150 9 Months 3 Months 143T 256T 0 75 10 284T 326T 1200 15 30 4 Years 16 Years 364T 445T 40 125 1 Year 4 Months Motors 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 hr day service Warning Bearing grease must be Kluber NBU 15 DO NOT SUBSTITUTE 40 6 Technical data It is important to observe the technical data during installation operation and maintenance Inform personnel about the technical data 6 3 Torque Specifications The table below specifies the tightening torques for the screws bolts and nuts for this pump Always use below torques if no other values are stated This can be a matter of personal safety Size Tightening torque Nm lbf ft M8 20 14 8 M10 40 29 5 M12 67 49 0 M14 110 81 0 6 4 Weight kg Pump Type LKH Motor Size 80 90 100 112 132 160 180 200 250 280 0 75KW 1 1KW 1 5kW 2 2kW SkW 4kKW DDR 7 5KW 11kW 15kW 18 5kKW 22kW 30kW 37kW 45kW DPE 75kW 90kW 110kW 5 42 42 49 51 10 Hom Boog or 75 15 3 18 95 20 Son oaks ae Boat Eis 25 81 98 112 171 185 35 81 SE ES 185 40 115 174 188 206 225 45 82 EE Elek 50 101 115 174 188 206 225 60 E E OO SAO IEG me oo4 70 138 152 196 210 228 259
20. 5 Service kit for flushed shaft seal SiC SiC SEIVICe Kil SIC SIG LIKES aa cg einen tien Geen mene Reet 9611922530 9611922531 9611922532 9611922533 z Serice Kit SIC SIC EKEATO 19 EE 9611922554 9611922555 9611922556 9611922557 5 Service Kit SIG SIC Ee 3 ae Ee EE ee TENENS 9611922578 9611922579 9611922580 9611922581 z Service kit SiC SiC LKH 25 35 45 oo cece cece eee eens 9611922602 9611922603 9611922604 9611922605 m Service kit SiC SiC LKH 40 50 60 cc cece eee eee eee 9611922627 9611922628 9611922629 9611922630 Service kit for flushed shaft seal and impeller screw C SiC A Service Kit C SIC LARS TEE 9611922314 96119223815 9611922316 9611922317 service kit C SIC LKH TOS be n a E E 9611922118 9611922119 9611922120 9611922121 b Service EE egen 9611922126 9611922127 9611922128 9611922129 x service kit C SIG LKH 25 35 45 eege Ee 9611922190 9611922191 9611922192 9611922193 e Service kit C SiC LKH 40 50 60 oo cece cece eee eee 96119221384 96119221385 9611922136 9611922137 A Seve EE denge Ee 9611922242 9611922243 9611922244 9611922245 SEENEN ae e dee EE EN 9611922956 9611922957 9611922958 9611922959 g memice kit G SIC LKE 90 sarreria eenean ere E 9611922871 9611922872 9611922873 9611922874 Service kit for flushed shaft seal and impeller screw SiC SiC SVICE LE EE 9611922534 9611922535 9611922536 9611922537 Service kil sIG SIG AE ENEE tee a 9611922558 9611922559 9611922560 9611922561 Sevice Kil SIG SICKLE
21. double mechanical shaft seal and impeller screw C SiC EE EE eebe cae EE Service kit C SIC LKH 10 15 NN Service kit C SIC LARIRZO ies ees RENE Eer EENS Service kit C SiC LKH 25 85 45 oo cece cece eee eens Service kit C SIC LKH 40 50 60 1 cece cece eee ees Service Kil C SIC LRH ZON ehre EEN Service Kil G SIG LKH 65 ge e cee tee eee ees service kil C SIG LKAA9O a2 Zeene Mave See eg ene ee gt gt rere KKK NN OO m _ A M Service kit for double mechanical shaft seal and impeller screw SiC SiC a Service kit SIC SIC LKH 5 6 kee ccc cece eee A ai service kit SIC SIC REIDEN NEEN EE ENN ENER NENNEN e Service kit SiC SiC LKH 20 oo cece cece cece eee P Service kit SiC SiC LKH 25 35 45 a Service kit SiC SiC LKH 40 50 60 cc cece eee eee eens 2 Service kit SIC SIC LKH 70 swisctaidines EELER Service kit SIC SIC EKH 85 A Guedes EERSTEN Service kit SIC SIC KLORE lade NENNEN NENNEN 9611922539 9611922540 9611922541 9611922563 9611922564 9611922565 9611922587 9611922588 9611922589 9611922611 9611922612 9611922613 9611922636 9611922637 9611922638 9611922323 96119223824 9611922325 9611922211 9611922212 9611922213 9611922219 9611922220 9611922221 9611922227 9611922228 9611922229 9611922235 9611922236 9611922237 9611922417 9611922418 9611922419 9611922961 9611922962 9611922963 9611922876 9611922877 9611922878 9611922543 9611922544 9611922545 9611922567 9611922568 96
22. e without the expressed permission of Alfa Laval Corporate AB Alfa Laval Corporate AB will enforce its rights related to this document to the fullest extent of the law including the seeking of criminal prosecution
23. echnical data 12 3 Installation Read the instructions carefully and pay special attention to the warnings LKH 5 to 60 comes without impeller screw as standard but can be supplied with one Check the direction of rotation of the impeller before operation See the indication label on the pump 3 4 Pre use check pump with impeller screw A Never start in the wrong direction of rotation with liquid in the pump 1 Start and stop the motor momentarily 2 Ensure that the direction of rotation of the motor fan is clockwise as viewed from the rear end of the motor View from rear end of motor 3 Installation Read the instructions carefully and pay special attention to the warnings LKH 5 to 60 comes without impeller screw as standard but can be supplied with one Check the direction of rotation of the impeller before operation See the indication label on the pump 3 5 Recycling information Unpacking Packing material consists of wood plastics cardboard boxes and in some cases metal straps Wood and cardboard boxes can be re used recycled or used for energy recovery Plastics should be recycled or burnt at a licensed waste incineration plant Metal straps should be sent for material recycling Maintenance During maintenance oil and wearing parts in the machine are replaced All metal parts should be sent for material recycling Worn out or defective electronic parts s
24. fa Laval sales company Maintenance Always read the technical data thoroughly See chapter 6 Technical data Never service the pump when it is hot Never service the pump if pressurised Always use Alfa Laval genuine spare parts Motors with grease nipples Remember lubrication according to information plate label on the motor Always disconnect the power supply when servicing the pump Transportation Transportation of the pump or the pump unit Never lift or elevate in any way other than described in this manual Always drain the pump head and accessories of any liquid Always ensure that no leakage of lubricants can occur Always transport the pump in its upright position Always ensure that the unit is securely fixed during transportation Always use the original packaging or similar during transportation 3 Installation 3 1 Unpacking delivery Step 1 Always us a lifting crane when handling the pump see technical data CAUTION Alfa Laval cannot be held responsible for incorrect unpacking WARNING Be aware that certain pump configurations can tilt and therefore cause Injuries to feet or fingers The pump should be supported underneath the adaptor when not installed in the process line Check the delivery for 1 Complete pump 2 Delivery note 3 Motor instructions Step 2 Remove any packing materials from the inlet and the outlet Avoid damaging the inlet and the outlet Avo
25. hould be sent to a licensed handler for material recycling OU and all non metal wearing parts must be disposed of in accordance with local regulations Scrapping At the end of use the equipment must be recycled according to relevant local regulations Besides the equipment itself any hazardous residues from the process liquid must be taken into consideration and dealt with in a proper manner When in doubt or in the absence of local regulations please contact your local Alfa Laval sales company 13 4 Operation Read the instructions carefully and pay special attention to the warnings 4 1 Operation Control Step 1 A Always read the technical data thoroughly See chapter 6 Technical data 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 Q J 3000 0072 Danger of burns Step 3 Danger of explosion A Never run the pump with both the suction side and the pressure O side blocked LA H H Si LI 3000 0073 ms x A See the warning label 14 4 Operation Read the instructions carefully and pay special attention to the warnings Step 4 CAUTION The shaft seal must not run dry CAUTION Do not allow to S vi Never throttle the inlet side run d
26. id damaging the connections for flushing liquid if supplied ge al Remove packing i materials Step 3 Inspect the pump for visible transport damage Inspection ita m E man mua T 7 3000 0060 Step 4 Always remove the shroud if fitted before lifting the pump Remove the shroud before lifting 3000 0061 3 Installation Step 5 ONLY LKH 85 and LKH 90 Do NOT use eyebolt in casing to lift the pump The eyebolt is for casing removal only 3 Installation Read the instructions carefully and pay special attention to the warnings Always check the pump before operation See pre use check in section 3 3 Pre use check pump without impeller screw The large pump sizes are very heavy Alfa Laval therefore recommends the use of a lifting crane when handling the pump 3 2 Installation Step 1 A Always read the technical data thoroughly See chaper 6 Technical data A Always use a lifting crane when handling the pump Always have the pump electrically connected by authorised personnel See the motor instructions CAUTION Alfa Laval cannot be held responsible for incorrect installation WARNING Alfa Laval recommends the installation of a lockable repair breaker If the repair breaker is to be used as an emergency stop the colors of the repair breaker must be red and yellow
27. ing servicing See pre use check in section 3 Installation Pay special attention to warnings 1 Start and stop the motor momentarily 2 Ensure that the pump operates smoothly 5 Maintenance 5 2 Cleaning Procedure Cleaning procedure for soiled impeller screw tapped hole 1 Remove stub shaft 7 as per section 4 of the Service manual Submerge and soak the stub shaft for 5 minutes in COP tank with 2 caustic wash Scrub the blind tapped impeller screw hole vigorously by plunging a clean 1 2 diameter sanitary bristle pipe brush in and out of the hole for two minutes while submerged Soak stub shaft 7 in acid sanitiser for 5 minutes then scrub blind tapped hole as described in step 3 above Rinse well with clean water and blow dry blind tapped hole with clean air Swab test the inside of the tapped hole to determine cleanliness Should the swab test fail repeat steps 2 to 6 above until the swab test is passed w N Too Should swab testing continue to fail or time is of the essence install a new Spare stub shaft 7 20 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Handle scrap correctly x Relates to the shaft seal 5 3 Dismantling of pump shaft seals Step 1 1 A LKH 5 Remove screws 56 spring washers 56a clamps 55 55a and pump casing 29 B LKH 10 to 90 Unscrew cap nuts 24 and remove washer
28. ke the necessary precautions with regard to personal safety if required 42 7 Parts list and service kits The drawing shows LKH pump sanitary version 7 1 LKH 5 Sanitary version A LL LL L772 KS We m 4 WT oO Sp 5 SNE N CH SW ZL SCH d KE JIN N s NY SS o ge LY Z ZZ s LZ d Kee NOX SS A 4 ZO VON D IS mee atl WY eN 3000 0110_2 O de US legs are different to the ones shown For further information see US spare parts Impeller screw WAS CNS 3000 0114_1 Flushed shaft seal Fitting of legs 0 75 1 1 kW Wie LU 3001 0058 Single shaft seat 3000 0113_1 Fitting of back plate Br 3000 0115_1 Double mechanical shaft seal 43 7 Parts list and service kits The drawing shows the LKH pump sanitary version 7 2 LKH 10 15 20 25 35 40 50 60 70 75 85 90 sanitary version LKH10 75 LKH 85 and LKH 90 US legs are different to the ones shown For further information see US spare parts 3000 0112_1 Only used for 0 75 1 1 and 3 kW Fitting of legs 3000 0114_1 Flushed shaft seal
29. lk viscous liquids gt Increase the cleaning flow Step 4 A Always rinse well with clean water after using a cleaning agent NOTE Cleaning agents must be stored disposed of in accordance with current regulations directives Always rinse Clean water Cleaning agent 5 Maintenance Maintain the pump with care Read the instructions carefully and pay special attention to the warnings Always keep spare shaft seals and rubber seals in stock See separate motor instructions Check the pump for smooth operation after service 5 1 General maintenance Step 1 Always read the technical data thoroughly See chaper 6 Technical data A Always disconnect the power supply when servicing the pump NOTE All scrap must be stored disposed of in accordance with current rules directives Step 2 A Never service the pump when it is hot Danger of burns Ga 3000 0072 Step 3 A Atmospheric pressure J o Bs g ired Never service the pump with pump if pressurised i require CAUTION i Se Fit the electrical connections correctly if they have been removed from the motor during service ex P CAUTION III Pay special attention to the warnings E I E SY EE Step 4 Recommended spare parts Order service kits from the service kits list See chapter 7 Parts list and service kits Ordering spare parts Contact your local
30. media will drip from the slot in the bottom of the adaptor In case of shaft seal leakage Alfa Laval recommends putting a drip tray underneath the slot to collect the leakage 10 3 Installation Read the instructions carefully and pay special attention to the warnings LKH 5 to 60 comes without impeller screw as standard but can be supplied with one Check the direction of rotation of the impeller before operation See the indication label on the pump 3 3 Pre use check pump without impeller screw Step 1 A Always remove the impeller before checking the direction of rotation Never start the pump if the impeller is fitted and the pump casing is removed 1 A LKH 5 Remove screws 56 spring washers 56a clamps 55 55a and pump casing 29 B LKH 10 to 60 Remove cap nuts 24 washers 24a and pump casing 29 2 Remove impeller 27 See also instruction in section 5 4 Assembly of pump single shaft seal Step 2 SE 1 Start and stop the motor momentarily 2 Ensure that the direction of rotation of the stub shaft 7 is anticlockwise as viewed from the inlet side j i OU D D i 3000 0068 8 Stub shaft Step 3 a Fit and tighten impeller 27 A Step 4 1 Fit pump casing 29 2 A LKH 5 Fit clamps 55 55a spring washers 56a and tighten screws 56 B LKH 10 to 60 Fit washers 24a and tighten cap nuts 24 according to torque values in chapter 6 T
31. mp is a highly efficient and econominal centrifugal pump which meets the requirements of sanitary and gentle product treatment and chemical resistsnce LKH is available in the following sizes LKH 5 10 15 20 25 35 40 50 60 70 75 85 and 90 The instruction manual is part of the delivery Read the instructions carefully The large pump sizes are very heavy Alfa Laval therefore recommends the use of a lifting crane when handling the pump Data Max inlet pressure LKH 5 600 kPa 6 bar 87 psi LKH 10 to 70 50 Hz 1000 kPa 10 bar 145 psi LKH 85 and LKH 90 50 Hz 500 kPa 5 bar 72 5 psi LKH 10 to 60 60 Hz 1000 kPa 10 bar 145 psi LKH 70 LKH 75 LKH 85 LKH 90 60 Hz 500 kPa 5 bar 72 5 psi Temperature range 10 C to 140 C EPDM 14 to 284 F Max speed 4000 rom Materials Product wetted steel parts AISI 316L Other steel parts Stainless steel Product wetted seals EPDM standard Other O rings EPDM standard Alternative seals Nitrile NBR fluorinated rubber FPM and FEP Shaft seal Seal types External single flushed or double mechanical seal Max temperature flush media 70 C Max water pressure flushed seal Normally atmospheric max 1 bar max 14 5 psi Water consumption flushed seal 0 25 0 5 l min 0 07 0 13 gl Max water pressure LKH 5 to 60 DMS Normally atmospheric max 5 bar max 72 5 psi Max water pressure LKH 70 to 90 DMS Normally atmospheric max
32. n ring with thread 5b 1 Compression ring without thread 6 6 Screw 6a 6 Washer T 1 Shaft incl pin 8 1 Connex pin 9 1 Retaining ring 16 1 Adaptor 17 4 Screw for adaptor 18 4 Nut for adaptor 19 4 Washer for adaptor 22 1 Safety guard set 23 1 Screw for safety guard 30a 1 Support bar right 30b 1 Support bar left 31 4 Leg 32 4 Screw 33 4 Nut 34 4 Spring washer 35 4 Screw 35a 4 Washer 39 4 Nut 46 4 Distance sleeve 47 2 Leg bracket 48 4 Nut for leg 49 4 Screw for leg 53 4 Pivot screw 49 7 Parts list and service kits The drawing shows the LKH pump sanitary version 7 5 LKH Shaft seal 50 9614 0608_ROW 3000 0055 7 Parts list and service kits The drawing shows the LKH pump sanitary version Parts list Pos Qty Denomination 10 1 Drive ring 11 1 Stationary seal ring 12 1 O ring 13 1 Spring 14 1 Rotating seal ring 15 1 O ring 40 1 Seal housing 40a 1 Seal housing 41 2 Screw for seal housing 42 2 Tube 42a 2 Fitting 43 1 Lip seal 44 1 O ring for seal housing 45 1 O ring for drive ring 50 1 O ring 51 1 Sec stationary seal ring 52 1 Drive ring 54 2 Cup Service kits Denomination EPDM NBR FPM FEP Service kit for single shaft seal C SiC O DEMICe KE EL ALKAS EE 9611922302 0 Service Kit O SIC LKR TO A5 Ree ee ua A 9611922072 0 EE KIL C SICULKGIEZO gt besten eege Ee Se 9611922080 0 Service Kit C SIC REENEN 9611922178 0 Service kit C SiC LKH 40 50 60
33. ompression rings 5a 5b onto the motor shaft 2 Check that the clearance between the end of the stub shaft and the motor flange is 10 20 mm 0 39 0 78 inch 10 20 mm 0 39 0 78 inch Step 3 1 Tighten screws 6 lightly and evenly 2 Ensure that stub shaft 7 can be moved on the motor shaft Step 4 1 For the double mechanical shaft seal Fit drive ring 52 on stub shaft 7 2 Fit back plate 25 washers 21 and nuts 20 and tighten 3000 0103 E 35 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Lubricate the rubber seals before fitting them x Relates to the shaft seal Step 5 LKH 10 to 60 0 5 mm 0 02 inch 1 Fit impeller 27 on stub shaft 7 LKH 70 to 90 1 0 mm 0 089 inch 2 Ensure that the clearance between the impeller and back plate e 25 is correct 0 5 mm 0 02 inch for LKH 10 to 60 and 1 0 mm 0 089 inch for LKH 70 to 90 3 Tighten screws 6 evenly until the stub shaft 7 cannot move on the motor shaft Step 6 Counterhold with a screwdriver 1 Remove impeller 27 back plate 25 and drive ring 52 2 Tighten screws 6 evenly to 15 Nm 11 Ibf ft 15Nm 11 lbf ft 3000 0109 ja 36 6 Technical data It is important to observe the technical data during installation operation and maintenance Inform personnel about the technical data 6 1 Technical data The LKH pu
34. r screw is used 2 Lubricate the impeller hub with silicone grease or oil 3 Screw impeller 27 onto stub shaft 7 4 Fit impeller screw 86 and tighten if used Torque 5 60 20 Nm 15 Ibf ft Torque 70 90 50 Nm 87 Ibf ft Step 8 1 Screw tubes 42 into seal housing 40a 2 Tighten with a spanner Step 9 Fit safety guard 22 and screw 23 and tighten 31 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Lubricate the rubber seals before fitting them x Relates to the shaft seal Step 10 1 Fit pump casing 29 2 Tighten nuts 20 for back plate 25 3 A LKH 5 Fit clamps 55 55a spring washers 56a and screws 56 and tighten B LKH 10 to 90 Fit washers 24a and cap nuts 24 and tighten according to torque values in chapter 6 Technical data LKH 85 and LKH 90 32 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Lubricate the rubber seals before fitting them x Relates to the shaft seal 5 7 Adjustment of shaft LKH 5 Step 1 1 Loosen screws 6 2 Pull off stub shaft 7 Step 2 1 Push stub shaft 7 onto the motor shaft Screws 4 must fit in 1207 the keyway on the motor shaft eer 0 39 0 78 inch 2 Check that the clearance between the end of the stub shaft and the motor flange is 10 20 mm 0 39 0 78 inch
35. ricated Not available 2 2 Permanently lubricated Permanently lubricated 3 0 Permanently lubricated Not available 4 0 Permanently lubricated Permanently lubricated 5 5 Permanently lubricated 3600h 3000h DE NDE 159 LS Permanently lubricated 3600h 3000h DE NDE 15g9 11 Permanently lubricated 3100h 2300h DE NDE 25g 15 Permanently lubricated 3100h 2300h DE NDE 25g 18 5 Permanently lubricated 3100h 2300h DE NDE 25g 22 Permanently lubricated 2600h 2000h DE NDE 42g 4000h 2200h DE NDE 42g 30 Permanently lubricated 4000h 2800h DE NDE 559 8000h DE NDE 40g 37 Permanently lubricated 4000h 2800h DE NDE 55g 8000h DE NDE 40g 45 Permanently lubricated 2500h 1000h DE NDE 55g9 8000h DE NDE 40g 99 Permanently lubricated 2500h 1000h DE NDE 73g 8000h 3000h DE NDE 60g 75 Permanently lubricated 1500h 500h DE NDE 73g 4000h 1500h DE NDE 60g 90 4000h 2800h DE NDE 45g 110 4000h 2800h DE NDE 45g inlet pressure less than 10 bar 145 psi Recommended grease types LKHPF 10 70 LKH 110 LKH 120 Unirex N2 or N3 Lithium complex base Mobilith SHC 100 Lithium complex base Esso Mobil Shell KlUber FAG Lubcon Kluber LKH 85 Kluber Lubcon Shell Gadus S5 V100 2 Lithium complex base Kl berplex BEM 41 132 Special Lithium base Arcanol TEMP110 Lithium complex base Turmogrease L 802 EP PLUS Lithium complex base LKHPF 10 60 LKH 110 Kluber Asonic HQ72 102 Poly
36. ry x e e Ve x Step 5 GE O lt m Double mechanical flushed shaft seal Lome wi 1 Connect the inlet of the flushing liquid correctly R1 8 d BSP rt 2 Regulate the water supply correctly ua i For LKH 85 connect inlet outlet of the flushing liquid directly on the flushing housing 6 tube O Outlet I Inlet t el Tmax 70 C d Pmax 1 bar flush seal Pmax 5 bar double 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 wm 4 Throttling 3000 0076 4 Operation Pay attention to possible faults Read the instructions carefully 4 2 Trouble shooting NOTE Read the maintenance instructions carefully before replacing worn parts Problem Cause result Remedy Motor overloaded Cavitation Damage Pressure reduction sometimes to Zero ncrease in the noise level Leaking shaft seal Leaking O ring seals Pumping of viscous liquids Pumping of high density liquids Low outlet pressure counter pressure Lamination of precipitates from the liquid Low inlet pressure High liquid temperature Running dry Incorrect rubber grade Abrasive particles in the liquid Incorrect rubber grade Larger motor or smaller impeller Higher
37. s 24a and pump casing 29 Step 2 Flushed Double mechanical shaft seal Unscrew tubes 42 using a spanner 21 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Handle scrap correctly x Relates to the shaft seal Step 3 V Remove screw 23 and safety guard 22 Step 4 1 Remove impeller screw 86 if fitted 2 Remove impeller 27 If necessary loosen the impeller by knocking gently on the impeller vanes 3 Remove the O ring 38 from the impeller if fitted If necessary Step 5 1 Pull off the O ring 26 from back plate 25 2 Unscrew nuts 20 and remove washers 21 and the back plate Use the tool supplied Step 6 1 Remove the stationary seal ring 11 2 Remove the O ring 12 from back plate 25 F1 Left hand thread Step 7 Flushed shaft seal 1 Remove screws 41 and seal housing 40 2 Pull out lip seal 43 from the seal housing 22 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Handle scrap correctly x Relates to the shaft seal Step 8 Bac Double mechanical shaft seal de 1 Remove screws 41 and seal housing 40a i EI 8 2 Remove rotating seal rings 14 and drive ring 52 from spring g 13 3 Remove O rings 15 from rotating seal rings 14 4 LKH 70 to 90 Remove cups
38. ts 20 for back plate 25 and tighten cap nuts 24 according to torque values in chapter 6 Technical data LKH 85 and LKH 90 26 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Lubricate the rubber seals before fitting them x Relates to the shaft seal 5 5 Assembly of pump flushed shaft seal Step 1 Flushed shaft seal LKH 5 to 60 use 263mm tube LKH 70 to 90 press in lip seal by hand 1 Fit lip seal 43 in seal housing 40 2 Lubricate O ring 44 and slide onto the seal housing 40 3 Fit the seal housing on back plate 25 and tighten screws 41 3000 0096 Use 063 mm tube Step 2 1 Lubricate O ring 45 and fit it in drive ring 10 2 Fit spring 13 and rotating seal ring 14 on the drive ring CAUTION Ensure that the driver on the drive ring enters the notch in the rotating seal ring Step 3 Fit complete shaft seal on stub shaft 7 so that Connex pin 8 on the stub shaft enters the notch in drive ring 10 Step 4 1 Carefully guide back plate 25 onto adaptor 16 2 Fit washers 21 and nuts 20 3000 0092 27 5 Maintenance Read the instructions carefully The items refer to the parts list and service kits section Lubricate the rubber seals before fitting them x Relates to the shaft seal Step 5 Lubricate O ring 26 and slide it onto back plate 25 3000 0
39. urea base Kluberplex Quiet BQH 72 102 Polyurea base Turmogrease PU708 Polyurea base WARNING Polyurea based grease must not be mixed with Lithium complex base grease and vice versa 38 6 Technical data It is important to observe the technical data during installation operation and maintenance Inform personnel about the technical data WEG IEC Motors IES Motor power LKH 5 70 kW LKHI 10 60 LKH 110 LKHSP LKH Evap LKH UltraPure 50 60 HZ 0 75 Permanently lubricated 1 1 Permanently lubricated 1 5 Permanently lubricated 2 2 Permanently lubricated 3 0 Permanently lubricated 4 0 Permanently lubricated 5 0 Permanently lubricated aS Permanently lubricated 11 Permanently lubricated d Permanently lubricated 18 5 Permanently lubricated 22 10000 10000h DE NDE 18g 30 10000 10000h DE NDE 21g oF 10000 10000h DE NDE 21g 45 Not available 55 5000 5000h DE NDE 27g igs 5000 5000h DE NDE 27g inlet pressure lt 10 bar 145 psi Recommended grease types Mobil POLYREX EM 103 39 6 Technical data lt is important to observe the technical data during installation operation and maintenance Inform personnel about the technical data Table 1 Sterling Nema motors Motor RPM Frame Type of service VS HP Standard Heavy duty 8 hrs day 24 hrs day 143T 286TS a i 1 5 30 3600 3241S 455TS 40 150 6 Months 2 Months 143T 256T A K 1 20 284T

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