Alfa Laval LKH Prime 20 Instruction Manual
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Alfa Laval LKH Prime 20 Instruction Manual

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Instruction Manual
LKH Prime Pump
ESE03053-EN0
2016-02
Original manual
3013-0000
www.sks-online.com
www.sks-webshop.com

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Summary of Contents for Alfa Laval LKH Prime 20

  • Page 1 Instruction Manual LKH Prime Pump 3013-0000 ESE03053-EN0 2016-02 Original manual www.sks-online.com www.sks-webshop.com...
  • Page 2 www.sks-online.com www.sks-webshop.com...

  • Page 3: Table Of Contents

    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 of Conformity ............... 2. Safety ....................2.1. Important information ................2.2. Warning signs ..................2.3. Safety precautions ................3.

  • Page 4: Ec Declaration Of Conformity

    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 Prime 20 Type From serial number 10.000 to 1.000.000...

  • Page 5: Safety

    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 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.

  • Page 6: Safety Precautions

    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 Alfa Laval sales company. Maintenance: Always read the technical data thoroughly.

  • Page 7: 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 The pump is heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. 3.1 Unpacking/delivery Step 1 Check the delivery for: 1.

  • Page 8: 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 The pump is heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. 3.2 Installation Step 1 Always read the technical data thoroughly.
  • Page 9 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 The pump is heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. Step 4 Remember seal rings 1.

  • Page 10: Pre-Check

    3 Installation Read the instructions carefully and pay special attention to the warnings! Check the direction of rotation of the impeller before operation. - See the indication label on the pump. 3.3 Pre-check Step 1 Always remove air screw and impeller before checking the direction of rotation.
  • Page 11 3 Installation Read the instructions carefully and pay special attention to the warnings! Check the direction of rotation of the impeller before operation. - See the indication label on the pump. Step 4 1. Fit pump casing (29) and washers (24a). Fit and tighten cap nuts (24) according to torque values in chapter 6 Technical data.

  • Page 12: Recycling Information

    - 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. www.sks-online.com...

  • Page 13: Operation

    4.1 Operation/control Step 1 Always read the technical data thoroughly. See chapter CAUTION Alfa Laval cannot be held responsible for incorrect operation/control. Step 2 Danger of burns! Never touch the pump or the pipelines when pumping hot liquids or when sterilising.
  • Page 14 4 Operation Read the instructions carefully and pay special attention to the warnings! Step 5 Double mechanical shaft seal: 1. Connect the inlet of the flushing liquid correctly. (R1/8”). 2. Regulate the water supply correctly. O: Outlet I: Inlet = 70°C = 5 bar (double mechanical seal) Step 6...

  • Page 15: Trouble Shooting

    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. Remedy Problem Cause/result Motor overloaded - Pumping of viscous liquids - Larger motor or smaller impeller - Pumping of high density liquids - Low outlet pressure (counter pressure) - Higher counter pressure (throttling) - Lamination of precipitates from the...

  • Page 16: Recommended Cleaning

    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. = Nitric acid. 4.3 Recommended cleaning Step 1 Caustic danger! Always handle lye and acid with great care.

  • Page 17: Maintenance

    CAUTION Pay special attention to the warnings! Step 4 Recommended spare parts: Order service kits from the service kits list (See section 7). Ordering spare parts Contact your local Alfa Laval sales company. www.sks-online.com www.sks-webshop.com...
  • Page 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. Shaft seal Rubber seals Motor bearings...

  • Page 19: Cleaning Procedure

    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. 5.2 Cleaning procedure Step 1 Cleaning procedure for soiled air screw tapped hole:...

  • Page 20: Dismantling Of Pump/Shaft Seals

    5 Maintenance Read the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. 5.3 Dismantling of pump/shaft seals Step 1 Remove screw (23) and safety guard (22). Step 2 1.
  • Page 21 5 Maintenance Read the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step 4 Double mechanical shaft seal: Unscrew tubes (42) using a spanner. Step 5 Counterhold with a screwdriver! 1.
  • Page 22 5 Maintenance Read the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step 9 Double mechanical shaft seal: 1. Remove stationary seal ring (51) from seal housing (40a). 2.

  • Page 23: Assembly Of Pump/Single Shaft Seal

    5 Maintenance Read the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. 5.4 Assembly of pump/single shaft seal NOTE: If fitting SiC/SiC single seal, the static seal face must be marked “LKH Prime”. Step 1 1.
  • Page 24 5 Maintenance Read the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. 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.
  • Page 25 5 Maintenance Read the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step 8 1. Fit pump casing (29) and washers (24a). Fit and tighten cap nuts (24) according to torque values in chapter 6 Technical data.

  • Page 26: Assemby Of Pump/Double Mecanical Shaft Seal

    5 Maintenance Read the instructions carefully. The items refer to the parts list and service kits section. Lubricate the rubber seals before fitting them. : Relates to the shaft seal. 5.5 Assemby of pump/double mecanical shaft seal Step 1 1. Fit O-rings (15) in rotating seal rings (14). 2.
  • Page 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. : Relates to the shaft seal. Step 5 1. Clean the sealing surfaces with contact cleaner. 2.
  • Page 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. : Relates to the shaft seal. Step 10 1. Fit pump casing (29) and washers (24a). Fit and tighten cap nuts (24) according to torque values in chapter 6 Technical data.

  • Page 29: Adjustment Of Shaft

    5 Maintenance Read the instructions carefully. The items refer to the parts list and service kits section. Lubricate the rubber seals before fitting them. : Relates to the shaft seal. 5.6 Adjustment of shaft Step 1 1. Loosen screws (6). 2.
  • Page 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. : Relates to the shaft seal. Step 4 1. Fit shroud (2) 2. Fit adaptor (16), screws (17), washers (19) and nuts (18) and tighten.

  • Page 31: Technical Data

    LKH Prime is available in the following sizes -20. The instruction manual is part of the delivery. Read the instructions carefully. The pump is very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump.

  • Page 32: Relubrication Intervals

    6 Technical data It 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 100°C internal bearing temperature.an increase in temperature of 15°C (ambient or internal in bearings), will reduce the greasing interval and bearing lifetime by 50%.
  • Page 33 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, IE3 Motor power LKH-5 -70 (kW) LKHI-10 -60* LKH-110* LKHSP, LKH Evap LKH UltraPure LKH Prime 50/60 HZ 0.75 Permanently lubricated...
  • Page 34 6 Technical data It is important to observe the technical data during installation, operation and maintenance. Inform personnel about the technical data. Table 1. Sterling Nema motors Type of service Motor RPM Frame Heavy duty VS. HP Standard 8 hrs/day 24 hrs/day 143T - 286TS 1.5 - 30...

  • Page 35: Torque Specifications

    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 in this pump. Always use the torques specified below if no other values are stated.

  • Page 36: Noise Emission

    Pump Type Sound pressure level (dBA) LKH-5 LKH-10 LKH-15 LKH-20 LKH-25 LKH-35 LKH-40 LKH-45 LKH-50 LKH-60 LKH-70 LKH-75 LKH-85 LKH-90 LKH Prime 20 LKH-112 LKH-113 LKH-114 LKH-122 LKH-123 LKH-124 SolidC-1 SolidC-2 SolidC-3 SolidC-4 MR-166 MR-185 MR-200 MR-300 FM-OS The above LKH noise levels are the same for LKHPF, LKHI, LKH UltraPure, LKH Evap and LKHex.

  • Page 37: Part List And Service Kits

    7 Part list and service kits The drawing shows the LKH Prime pump, sanitary version. 7.1 LKH Prime sanitary version 3013-0048 LKH Prime US legs are different to the ones shown. For further information see US spare parts. 3013-0049 3013-0050 Only used for 3 kW Fitting of back plate Fitting of legs...

  • Page 38: Lkh Prime - Product Wetted Parts

    7 Part list and service kits The drawing shows the LKH Prime pump, sanitary version. 7.2 LKH Prime - Product wetted parts 3013-0052 www.sks-online.com www.sks-webshop.com...
  • Page 39 7 Part list and service kits The drawing shows the LKH Prime pump, sanitary version. Parts list Pos. Denomination Washer Cap nut Washer Back plate ♦∆ O-ring Bolt Pump casing Impeller ♦∆ O-ring ♦∆ O-ring Recirculation pipe Clamp set Air screw ♦∆...

  • Page 40: Lkh Prime - Motor-Dependent Parts

    7 Part list and service kits The drawing shows the LKH Prime pump, sanitary version. 7.3 LKH Prime - Motor-dependent parts 3013-0052 www.sks-online.com www.sks-webshop.com...
  • Page 41 7 Part list and service kits The drawing shows the LKH Prime pump, sanitary version. Parts list Pos. Denomination Motor ABB Motor ABB Shroud Edge list Screw Compression ring with thread Compression ring without thread Screw Washer Shaft Stud bolt, (included in pos 7) Connex pin, (included in pos 7) Retaining ring, (included in pos 7) Adaptor...

  • Page 42: Lkh Prime - Shaft Seal

    7 Part list and service kits The drawing shows the LKH Prime pump, sanitary version. 7.4 LKH Prime - Shaft seal 3013-0052 www.sks-online.com www.sks-webshop.com...
  • Page 43 Service kit for single shaft seal C/SiC ♦ Service kit, C/SiC (LKH Prime 20) ......9611927175...
  • Page 44 © 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 purpose, without the expressed permission of Alfa Laval Corporate AB.

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