Alfa Laval LKH-112 Instruction Manual
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Alfa Laval LKH-112 Instruction Manual

Multi-stage pump
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Instruction Manual
LKH Multi-Stage Pump
100002859-EN8
Original manual
3003-0004
2022-01

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Summary of Contents for Alfa Laval LKH-112

  • Page 1 Instruction Manual LKH Multi-Stage Pump 3003-0004 100002859-EN8 2022-01 Original manual...

  • 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

    +45 79 32 22 00 Phone No. hereby declare that Pump Designation LKH-112, LKH-112/P, LKH-113, LKH-113/P, LKH-114, LKH-114/P, LKH-122/P, LKH-123/P, LKH-124/P Type From serial number 10.000 to 1.000.000 is in conformity with the following directive with amendments: - Machinery Directive 2006/42/EC...

  • Page 5: Safety

    Trainees can perform tasks under the supervision of an experienced employee. People in general: The public shall not have access to the supplied product. How to contact Alfa Laval Contact details for all countries are continually updated on our website.

  • Page 6: Warning Signs

    2 Safety Unsafe practices and other important information are emphasized in this manual. Warnings are emphasized by means of special signs. Always read the manual before using the pump! 2.2 Warning signs General warning: Dangerous electrical voltage: Caustic agents:...

  • Page 7: 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 8 Always use the original packaging or similar during transportation Always use suitable transport device ie. forklift or pallet lifter Storage: Ideally as a guide Alfa Laval would recommend: - Store supplied product as supplied in original packaging - Port opening should be protected against any ingress...

  • Page 9: Installation

    The LKH-110 and -120P pump is highly efficient and econominal centrifugal pump, which meets the requirements of sanitary and gently product treatment and chemical resistance. LKH-110 and the LKH-120P is avaliable in the following sizes, LKH-112, -113, -114 and LKH122/P, -123/P, -124/P. The instruction manual is part of the delivery. Study the instructions carefully. The large pump sizes are very heavy.
  • Page 10 The LKH-110 and -120P pump is highly efficient and econominal centrifugal pump, which meets the requirements of sanitary and gently product treatment and chemical resistance. LKH-110 and the LKH-120P is avaliable in the following sizes, LKH-112, -113, -114 and LKH122/P, -123/P, -124/P. The instruction manual is part of the delivery. Study the instructions carefully. The large pump sizes are very heavy.

  • Page 11: Installation/Pre-Use Check

    Please ensure that the pump shaft can be rotated by hand before start-up. WARNING: Alfa Laval recommends the supply disconnecting device shall be in accordance with EN60204-1. Always disconnect the supply disconnecting device safely after installation before continuing the installation.
  • Page 12 3 Installation Study the instructions carefully and pay special attention to the warnings! The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan. - See the indication label on the pump. Step 3 Check that the flow direction is correct.
  • Page 13 3 Installation Study the instructions carefully and pay special attention to the warnings! The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan. - See the indication label on the pump. Step 5 Avoid stressing the pump.
  • Page 14 3 Installation Study the instructions carefully and pay special attention to the warnings! The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan. - See the indication label on the pump. Centre of inlet and outlet to be aligned with centre of piping system.
  • Page 15 3 Installation Study the instructions carefully and pay special attention to the warnings! The direction of rotation of the impeller can be checked by observing the direction of rotation of the motor fan. - See the indication label on the pump. Note In case of shaft seal leakage, the media will drip from the slot in the bottom of the adaptor.

  • Page 16: Recycling Information

    - At end of use, the equipment shall be recycled according to relevant, local regulations. Beside the equipment itself, any hazardous residues from the process liquid must be considered and dealt with in a proper manner. When in doubt, or in the absence of local regulations, please contact the local Alfa Laval sales company.

  • Page 17: Operation

    Step 1 Always read the technical data thoroughly. See chaper 6 Technical data CAUTION Alfa Laval cannot be held responsible for incorrect operation/control. Never touch the pump or the pipelines when pumping hot liquids or when sterilising. Step 2 Never touch the pump or the pipelines when pumping hot liquids or when sterilising.
  • Page 18 4 Operation Study the instructions carefully and pay special attention to the warnings! Step 4 CAUTION The shaft seal must not run dry. CAUTION Never throttle the inlet side. * Do not allow to run dry 3003-0103 Step 5 Flushed shaft seal: 1.
  • Page 19 4 Operation Study the instructions carefully and pay special attention to the warnings! 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. * Throttling! 3003-0105...

  • Page 20: Trouble Shooting

    4 Operation Pay attention to possible faults. Study the instructions carefully. 4.2 Trouble shooting NOTE! Study the maintenance instructions carefully before replacing worn parts. - See section 5.1 General maintenance Problem Cause/result Remedy Overloaded motor - Pumping of viscous liquids - Larger motor or smaller impeller - Pumping of liquids with high density - Low outlet pressure (counter pressure) - Higher counter pressure (throttling)

  • Page 21: 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 22 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. Step 4 Always rinse well with clean water after using a cleaning agent. NOTE The cleaning agents must be stored/disposed of in accordance with current regulations/directives.

  • Page 23: Maintenance

    5 Maintenance Maintain the pump carefully. Study the instructions carefully and pay special attention to the warnings! Always keep spare shaft seals and rubber seals in stock. See separate motor instructions. 5.1 General maintenance Step 1 Always read the technical data thoroughly. See chapter 6 Technical data Always disconnect the power supply when servicing the pump.
  • Page 24 Order Service Kits from Service kits list (See chapter 7 Parts list and service kits). Ordering spare parts Contact your local 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.
  • Page 25 5 Maintenance Maintain the pump carefully. Study the instructions carefully and pay special attention to the warnings! Always keep spare shaft seals and rubber seals in stock. See separate motor instructions. Safety check A visual inspection of adaptor shield and motor fan guard must be carried out every 12 months. If loss or damage to shield or guard, especially when this leads to deterioration of safety performance, it shall be replaced.

  • Page 26: Cleaning Procedure

    5 Maintenance Maintain the pump carefully. Study the instructions carefully and pay special attention to the warnings! Always keep spare shaft seals and rubber seals in stock. See separate motor instructions. 5.2 Cleaning Procedure Cleaning Procedure for Soiled Impeller Screw Tapped Hole: Warning: Always follow the instructions in the safety data sheet for the cleaning agent.

  • Page 27: Dismantling Of Pump/Shaft Seals

    5 Maintenance Study 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 the cap nuts (29), washer (30), pump cover (49) and O-ring (32).
  • Page 28 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step 4 Remove impeller screw (47) O-ring (41) and impeller (45). * Counterhold with a screwdriver! 3003-0110 Step 5 1.
  • Page 29 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step 8 Remove space ring (35) and the rotating part of the seal from the impeller.
  • Page 30 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step 12 Flushed shaft seal: 1. Remove the screws (24) and seal housing (26). 2.

  • Page 31: Assembly Of Pump/Assembly Of Shaft Seal - Lkh-110

    5 Maintenance Study 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/Assembly of Shaft Seal - LKH-110 Step 1 1. Fit the compression rings (9,13), washers (15a) and the screws (15) on stub shaft (11).
  • Page 32 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step 4 Fit back plate (31), washers (21) and nuts (20). 3003-0126 Step 5 1.
  • Page 33 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step 7 1. Remove impeller screw (47) and remove impeller (40,45) and back plate (31). 2.
  • Page 34 Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step 11 LKH-112: 1. Fit pump casing (42) on back plate (31). 2. Fit O-ring (43) on casing. Fit guide vanes (44). 3. Fit O-ring (32) on guide vanes (44).
  • Page 35 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. Step 15 1. Fit O-ring (32) and pump cover (49). 2. Fit washers (30) and cap nuts (29). 3.

  • Page 36: Assembly Of Pump/Assembly Of Shaft Seal - Lkh-120/P

    5 Maintenance Study 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 Assembly of Pump/Assembly of Shaft Seal - LKH-120/P Step 1 1.
  • Page 37 5 Maintenance Study 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 Flushed shaft seal: 1. Fit lip seal (28) in seal housing (26). 2.
  • Page 38 5 Maintenance Study 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 8 1. Fit back plate (31), washers (21) and nuts (20). 2.
  • Page 39 5 Maintenance Study 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 12 1. Fit impeller (45) and O-ring (41). 2. Fit and tighten impeller screw lightly (47). * Counterhold with a screwdriver! 3003-0136 Step 13...
  • Page 40 5 Maintenance Study 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 15 1. Fit shroud (2). 2. Fit safety guard (17) and screw (16). 3003-0138 Step 16 Flushed shaft seal:...

  • Page 41: Technical Data

    -113, -114 and LKH122/P, -123/P, -124/P. The instruction manual is part of the delivery. Study the instructions carefully. The large pump sizes are very heavy. Alfa Laval therefore recommends the use of a lifting crane when handling the pump. >40...
  • Page 42 6 Technical data It is important to observe the technical data during installation, operation and maintenance. Inform possible personnel about the technical data. Data Temperature range -10°C to +140°C (EPDM) (14°F to 284°F ) Noise level 60-80 dB(A) Max. speed 3600 rpm Materials Product wetted steel parts...

  • Page 43: Relubrication Intervals

    For recommended grease types and general maintenance follow the recommendations in the motor instruction manual. For relubrication intervals see motor name plate. For further information contact your local Alfa Laval Technical Support. Warning: Polyurea based (used on e.g LKH85 motors) must not be mixed with Lithium based grease or vice versa.

  • Page 44: Weight (Kg)

    6 Technical data Relubrication interval 50 Hz (3000 rpm)/Relubrication interval 60 Hz (3600 rpm). (Vendor) quantity in Drive End/quantity in Non Drive End. 6.4 Weight (kg) Pump Type: LKH-110 Size 1.5kW 5.5kW 7.5kW 11kW 15kW 18.5kW Weight can vary depending of configuration. Weihgt is only to be seen as a reference value during handling, transporting and packaging. Pump Type: LKH-120 Size 22kW...

  • Page 45: Noise Emission

    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-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, LKHex.

  • Page 46: Parts List And Service Kits

    7 Parts list and service kits Relubrication interval 50 Hz (3000 rpm)/Relubrication interval 60 Hz (3600 rpm). (Vendor) quantity in Drive End/quantity in Non Drive End. 3003-0144 3003-0051...

  • Page 47: Lkh Multi-Stage - Wet End

    7 Parts list and service kits 7.2 LKH Multi-Stage - Wet end 34 35 36 33/37 38a 38 3003-0075...
  • Page 48 7 Parts list and service kits Parts list Pos. Denomination Washer Cap nut Washer Back plate std. blasted ♦ O-ring Impeller back std. blasted O-ring Pump casing ♦ O-ring Guide vanes blasted Impeller std. blasted Intermediate casing blasted Impeller screw std. Blasted Bolt Pump Cover Set of 8 springs for rotating...

  • Page 49: Lkh Multi-Stage - Motor Dependent Parts

    7 Parts list and service kits 7.3 LKH Multi-Stage - Motor dependent parts 34 35 36 33/37 38a 38 3003-0075...
  • Page 50 7 Parts list and service kits Parts list Pos. Denomination Motor ABB 3000rpm Shroud Edge list Screw Distance sleeve Nut for adaptor Connex pin Compression ring Connex pin Shaft Compression ring Retaining ring Screw Washer Screw Safety guard set Adaptor Screw for adaptor Spring washer Screw...

  • Page 51: Lkh Multi-Stage - Shaft Seal And Service Kits

    7 Parts list and service kits 7.4 LKH Multi-Stage - Shaft seal and Service kits 34 35 36 33/37 38a 38 3003-0075...
  • Page 52 Service kit for single shaft seal C/SIC  Service kit C/SIC LKH-112/ LKH-112P ......9611922096 9611922097 Service kit C/SIC LKH-113/ LKH-113P ......9611922102 9611922103 Service kit C/SIC LKH-114/ LKH-114P .
  • Page 53 Service kit for flushed shaft seal SIC/SIC ♦ Service kit SIC/SIC LKH-112/ LKH-112P ..... . 9611922658 9611922659 Service kit SIC/SIC LKH-113/ LKH-113P ..... . 9611922664 9611922665 Service kit SIC/SIC LKH-114/ LKH-114P .
  • Page 54 © 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.

This manual is also suitable for:

Lkh-112/pLkh-113Lkh-113/pLkh-114Lkh-114/pLkh-122/p ... Show all

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