Alfa Laval LKH-40, LKH-45, LKH-60, LKH-50, LKH-20 Instruction Manual
...
3010-0008
ESE02002-EN4 2017-06
Original manual
Instruction Manual
GM Centrifugal 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 Declarationof Conformity ....................................................................... 4
2. Safety .................................................................................................... 5
2.1. Important information .............................................................................
5
2.2. Warningsigns .....................................................................................
5
2.3. Safetyprecautions ................................................................................
6
3. Installation .............................................................................................. 7
3.1. Unpacking/delivery ...............................................................................
7
3.2. Installation .........................................................................................
8
3.3. Pre-usecheck - GM-A ...........................................................................
10
3.4. Recycling information .............................................................................
10
4. Operation ............................................................................................... 11
4.1. Operation/control .................................................................................
11
4.2. Trouble shooting ..................................................................................
12
4.3. Recommended cleaning .........................................................................
13
5. Maintenance ........................................................................................... 14
5.1. Generalmaintenance .............................................................................
14
5.2. Dismantling of pump/shaftseals ................................................................
16
5.3. Assembly ofpump/shaft seal ....................................................................
17
5.4. Assembly - newshaft ............................................................................
17
6. Technical data ......................................................................................... 18
6.1. Technical data .....................................................................................
18
6.2. Torque specifications .............................................................................
19
6.3. Weight(kg) ........................................................................................
19
6.4. Noiseemission ....................................................................................
20
7. Parts list andservice kits ............................................................................ 21
7.1. GM/GM-A .........................................................................................
21
7.2. GM Centrifugal Pump ............................................................................
22
7.3. GM-A Centrifugal Pump ..........................................................................
24
3
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
GM, GM-A
Typ e
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 Eq
uipment
Lars Kruse Andersen
Title Name
Kolding
2013-12-03
Place Date
Signature
4
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.
NOTE
Indicates important information to simplify or clarify procedures.
2.2 Warning signs
General warning:
Dangerous electrical voltage:
Caustic agents:
5
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)
!
GM-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.
GM:
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 touc
h 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 t
he 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.
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 it’s upright position.
Always ensure that the unit is securely fixed during transportation.
Always use the original packaging or similar during transportation.
6
3 Installation
3.1 Unpacking/delivery
Step 1
CAUTION
Alfa Laval cannot be held responsible for incorrect unpacking.
Check the delivery for:
1. Complete pump.
2. Delivery note.
3. Motor instructions.
4. Test certificate, IF ORDERED!
Step 2
Remove any packing materials from the inlet and the outlet.
Avoid damaging the inlet and the outlet.
Avoid damaging the connections for flushing liquid, if supplied.
Step 3
Inspect the pump for visible transport damages.
Step 4
Always remove the shroud, if fitted, before lifting the pump.
7
3 Installation
Study 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 - GM-A.
3.2 Installation
Step 1
!
Always read the technical data thoroughly. (See chaper 6 Technical data)
Always have the pump electrically connected by authorised personnel.
CAUTION
Alfa Laval cannot be held responsible for incorrect installation.
WARNING:
Alfa Laval recommend the installation of a lockable repair breaker. If the repair breaker is to be used as an emergency stop,
the colours of the repair breaker must be red and yellow.
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 valve to be installed in the system to prevent that described above.
Note
In case of shaft seal leakage, the media will drip from the slot in the bottom of the adaptor. In case of shaft seal leakage, Alfa
Laval recommend placing a drip tray underneath the slot for collecting the leakage.
Step 2
Ensure that there is sufficient clearance around the pump.
Step 3
Check that the flow direction is correct.
Step 4
1. Ensure that the pipelines are routed correctly.
2. Ensure that the connections are tight.
Remember seal rings!
TD202-037_1
Few bends
Correct!
8
3 Installation
Study 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 - GM-A.
Step 5
Avoid stressing the pump.
Pay special attention to:
-Vibrations.
- Thermal expansion of the tubes.
- Excessive welding.
- Overloading of the pipelines.
9
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