Alfalaval LKH-112 Bedienungsanleitung

3003-0004

100002859-EN8 2022-01

Original manual

Instruction Manual

LKH Multi-Stage Pump

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 ....................................................................... 4

2. Safety .................................................................................................... 5

2.1. Important information ............................................................................. 5

2.2. Warning signs ..................................................................................... 6

2.3. Safety precautions ................................................................................ 7

3. Installation .............................................................................................. 9

3.1. Unpacking/delivery ............................................................................... 9

3.2. Installation/Pre-use Check ....................................................................... 11

3.3. Recycling information ............................................................................. 16

4. Operation ............................................................................................... 17

4.1. Operation/Control ................................................................................. 17

4.2. Trouble shooting .................................................................................. 20

4.3. Recommended cleaning ......................................................................... 21

5. Maintenance ........................................................................................... 23

5.1. General maintenance ............................................................................. 23

5.2. Cleaning Procedure ............................................................................... 26

5.3. Dismantling of pump/shaft seals ................................................................ 27

5.4. Assembly of Pump/Assembly of Shaft Seal - LKH-110 ....................................... 31

5.5. Assembly of Pump/Assembly of Shaft Seal - LKH-120/P .................................... 36

6. Technical data ......................................................................................... 41

6.1. Technical data ..................................................................................... 41

6.2. Relubrication intervals ............................................................................ 43

6.3. Torque Specifications ............................................................................. 43

6.4. Weight (kg) ........................................................................................ 44

6.5. Noise emission .................................................................................... 45

7. Parts list and service kits ............................................................................ 46

7.2. LKH Multi-Stage - Wet end ...................................................................... 47

7.3. LKH Multi-Stage - Motor dependent parts ..................................................... 49

7.4. LKH Multi-Stage - Shaft seal and Service kits ................................................. 51

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

+4579322200

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

The person authorised to compile the technical file is the signer of this document

Global Product Quality Manager

Pump, Valves, Fittings and Tank Equipment Lars Kruse Andersen

Title Name

Kolding 2013-12-03

Place Date Signature

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!

2.1 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.

This Instruction manual is designed to provide the user with the information to perform tasks safely for all phases in the

life time of the product supplied.

The User shall always read the safety section first. Hereafter the User can skip to the relevant section for the task to be

carried out or for the information needed.

This is the complete manual for the supplied product.

Skills for personal:

Operators:

The operators shall read and understad the instruction manual for the supplied product

Maintenance personnel:

The maintenance personnel shall read and understad the instruction manual.

The maintenance personnel or technicians shall be skilled within the field required to carry out the maintenance work

safely.

Trainees:

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.

Please visit www.alfalaval.com to access the information directly.

2Safety

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:

2 Safety

All warnings in the manual are summarized 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

General

Always ensure that personnel must have experience with lifting operations.

Always ensure the lifting point to be in line with center of gravity. Adjust lifting point if necessary.

Always keep an eye on the load and stay clear during the lifting operation.

Always ensure that the lifting equipment issuitableforthespecificpump.

Always use appropriate lifting equipment for heavy parts when relevant. Use lifting logs when applied.

To prevent unexpected start and contact with electrical live and moving parts.

Always disconnect the power supply safely:

- The power supply disconnecting device must be disconnected (in off position) and locked.

- In case the pump is capable of being plugged into an electrical supply, removal of the plug is sufficient, provided

that the operator can check from any of the points to which he has access that the plug remains removed.

Always refer to the motor instruction manual for installation and maintenance of the motor.

Never touch the impeller through the inlet/outlet during start/stop as this can cause serious injury.

Installation:

Always read the technical data thoroughly. (See chapter 6 Technical data)

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 Alfa 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:

Always lubricate acording to motor manufactures recommended procedures.

Always locate and remove grease vent plugs, if provided, prior to adding grease.

Always check motor nameplate for grease type and lubrication intervals.

2Safety

All warnings in the manual are summarized on this page.

Pay special attention to the instructions below so that severe personal injury and/or damage to the pump are avoided.

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

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

- Bare steel (not stainless) should be lightly oiled/greased

- Store in a clean, dry place without direct sunlight or UV light

- Temperature range -5 to 40°C

- Relative humidity less than 60%

- No exposure to corrosive substances (also air contained)

3 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. ALfa Laval recommends the use of a lifting crane when handling the pump.

3.1 Unpacking/delivery

Step 1

Always use a lifting crane when handling the pump

CAUTION

Alfa Laval cannot be held responsible for incorrect unpacking.

WARNING:

Be aware that certain pump configurations can tilt, and thereby

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. Instruction manual.

4. Motor instructions.

5. Test certificate, IF ORDERED!

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.

* Remove packing materials!

3003-0085

Step 3

Inspect the pump for visible transport damages.

3003-0086

3 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. ALfa Laval recommends the use of a lifting crane when handling the pump.

Step 4

Alwaysremovetheshroud,iffitted,beforeliftingthepump.

3003-0087

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