ESAB LKA 150: Compact and versatile, the ESAB LKA 150 welding power source is designed for solid wire welding with shielding gas or tubular wire without gas. With its user-friendly controls, including voltage and wire feed speed adjustment knobs, this machine offers precise welding performance. Its thermal cut-out feature prevents overheating, ensuring safety during operation.
ESAB LKA 150: Compact and versatile, the ESAB LKA 150 welding power source is designed for solid wire welding with shielding gas or tubular wire without gas. With its user-friendly controls, including voltage and wire feed speed adjustment knobs, this machine offers precise welding performance. Its thermal cut-out feature prevents overheating, ensuring safety during operation.
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Valid for serial no. 547−xxx−xxxx0469 585 001 040209
LKA 150
112101103105107109111102021110025108024042106023061104022041100020040060001
Bruksanvisning
Brugsanvisning
Bruksanvisning
Käyttöohjeet
Instruction manual
Betriebsanweisung
Manuel d’instructions
Gebruiksaanwijzing
Instrucciones de uso
Istruzioni per l’uso
Manual de instruções
− 2 −
Rätt till ändring av specifikationer utan avisering förbehålles.
Ret til ændring af specifikationer uden varsel forbeholdes.
Rett til å endre spesifikasjoner uten varsel forbeholdes.
Oikeudet muutoksiin pidätetään.
Rights reserved to alter specifications without notice.
Änderungen vorbehalten.
Sous réserve de modifications sans avis préalable.
Recht op wijzigingen zonder voorafgaande mededeling voorbehouden.
Reservado el derecho de cambiar las especificaciones sin previo aviso.
Ci riserviamo il diritto di variare le specifiche senza preavviso.
Reservamo−nos o direito de alterar as especificações sem aviso prévio.
SVENSKA 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DANSK 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NORSK 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SUOMI 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGLISH 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DEUTSCH 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FRANÇAIS 44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NEDERLANDS 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ESPAÑOL 58. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ITALIANO 65. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PORTUGUÊS 72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
!"#$% &'
()#$* +,
-./*.0 122
!"#$% &'(
ENGLISH
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TOCe
1 DIRECTIVE 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 SAFETY 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 INTRODUCTION 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 TECHNICAL DATA 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 INSTALLATION 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Wire 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 OPERATION 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 MAINTENANCE 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 ORDERING OF SPARE PARTS 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIAGRAM 114. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPARE PARTS LIST 115. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WEAR COMPONENTS 120. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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bc04d18e
1 DIRECTIVE
DECLARATION OF CONFORMITY
Esab Welding Equipment AB, S−695 81 Laxå, Sweden, gives its unreserved guaran-
tee that welding power source LKA 150 from serial number 547 complies with stan-
dard EN 60974−1, in accordance with the requirements of directive (73/23/EEC) and
addendum (93/68/EEC) and with standard EN 50199 in accordance with the require-
ments of directive (89/336/EEC) and addendum (93/68/EEC).
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
Anders Birgersson
Managing Director
Esab Welding Equipment AB
695 81 LAXÅ
SWEDEN Tel: + 46 584 81000 Fax: + 46 584 411924
Laxå 1998−06−10
2 SAFETY
WARNING
READ AND UNDERSTAND THE INSTRUCTION MANUAL BEFORE INSTALLING OR OPERATING.
ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSELF AND OTHERS. TAKE PRECAU-
TIONS WHEN WELDING. ASK FOR YOUR EMPLOYER’S SAFETY PRACTICES WHICH SHOULD BE
BASED ON MANUFACTURERS’ HAZARD DATA.
ELECTRIC SHOCK − Can kill
S Install and earth the welding unit in accordance with applicable standards.
S Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.
S Insulate yourself from earth and the workpiece.
S Ensure your working stance is safe.
FUMES AND GASES − Can be dangerous to health
S Keep your head out of the fumes.
S Use ventilation, extraction at the arc, or both, to take fumes and gases away from your breathing zone
and the general area.
ARC RAYS − Can injure eyes and burn skin.
S Protect your eyes and body. Use the correct welding screen and filter lens and wear protective
clothing.
S Protect bystanders with suitable screens or curtains.
FIRE HAZARD
S Sparks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby.
NOISE − Excessive noise can damage hearing
S Protect your ears. Use earmuffs or other hearing protection.
S Warn bystanders of the risk.
MALFUNCTION − Call for expert assistance in the event of malfunction.
PROTECT YOURSELF AND OTHERS!
GB
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bc04d18e
3 INTRODUCTION
LKA 150 is a compact, step−switched Welding power source intended for welding
with solid wire with shielding gas and tube electrode without gas.
The complete package comprises a power source with integral wire feed unit,
PSF 150V welding torch, mains lead, return cable with clamp, feed rollers for 0.6
and 0.8 mm wi re and a gas hose. The assembly kit includes a handle, rear axle, 2
rear wheels and 2 castors.
Two control knobs provide adjustment of voltage and wire feed speed. You can
switch between solid wire with shielding gas and tube electrode without gas by
simply switching + and − connections on the terminal above the wire feed unit.
A thermal cut−out prevents the power source from overheating. The cut−out is reset
automatically.
4 TECHNICAL DATA
Mains supply 230 V,1−fas 50 Hz
Fuse, slow 10 A
Mains lead 3x1,5 mm
2
Wire feed speed 2,5−15 m/min.
Wire sizes
Unalloyed
Stainless
Al.
Cored wire
0,6−0,8 mm
0,6−0,8mm
1,0 mm *)
0,8−0,9 mm
Voltage steps 7
Maximum load 100A/20%,55A/60%,40A/100%
Open circuit voltage 16−28 V
Wire reel capacity 1−5 kg.(max reel diam.,200 mm)
Weight 34 kg
Dimensions lxbxh 670x280x380
Enclosure class IP 21
Application class
*) Feed roller for ø 1.0, plastic wire liner, contact tip ø 1.0, not included.
These welding rectifier conform to the requirements of IEC 974−1.
Enclosure class
The IP code indicates the enclosure class, i.e. the degree of protection against penetration by solid
objects or water. Equipment marked IP 21 is intended for indoor use.
Application class
The symbol indicates that the power source is designed for use in areas with increased
electrical hazard.
GB
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bc04d18e
5 INSTALLATION
The installation must be executed by a professional.
WARNING!
This product is intended for industrial use. In a domestic environment this product may cause radio
interference. It is the user’s responsibility to take adequate precautions.
Connect the power supply lead using the appropriate fuse in conformance with local
regulations.
Cable areas acc. to Swedish regulations.
Make sure the welding rectifier is not covered or positioned so that cooling is
obstructed.
bc04d001
GAS CONNECTION
Does not apply to
tube electrode
Assembly of components
The power supply should be lifted by means of its lifting
eye. The handle is only intended for pulling it along the
ground.
Lifting instructions
GB
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bc04d18e
5.1 Wire
bc05d004
Tube wire
Solid wire
When welding with tube wire the return cable must be connected to the + terminal
above wire feed unit.
NOTE! If the rollers slip or wire feed is unsatisfactory in any other way it may be
necessary to adjust the tension. This can be done using the tensioning screw on the
pressure arm.
WARNING!
Rotating parts can cause injury, take great care.
GB
bc04d003
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6 OPERATION
General safety regulations for the handling of the equipment can be found on
page 31. Read through before you start using the equipment!
S Connect the return cable (E) to the work piece.
S When welding with solid wire, open the gas valve (A) and
adjust the gas flow with the reduction valave (B). The flow
should be between 8−12 l/min.
S Switch on the power supply using voltage selector knob (H),
for different steps.
S Press the trigger (D) on the welding torch until wire is
fed out of the contact tip (F).
S Select suitable welding settings using the woltage
selector knob (H) and the wire feed knob (J) as
indicated by the table.
S Start welding and adjust the settings if necessary.
S Indication lamp (G) light up if the Power source
becomes to hot.
GB
− 36 −
bc04d18e
7 MAINTENANCE
Note:
All warranty undertakings given by the supplier cease to apply if the customer
attempts to rectify any faults on the machine during the warranty period.
This welding equipment has been designed, tested and manufactured to give long,
trouble−free service.
Regular maintenance is essential for safe and reliable operation.
S Removal of dust
Blow away dust that has gathered in the power source using dry compressed air
at low pressure.
S Wire feed unit
Components that are subject to wear must be regularly cleaned and replaced to
ensure reliable wire feed. Note that if the tension is too high it may cause
excessive wear on the pressure roller, feed roller and wire liner.
S Torch
Regularly blow the wire liner clean and clean the gas shroud.
8 ORDERING OF SPARE PARTS
Spare parts are ordered through your nearest ESAB representative, see back cover.
When ordering spare parts, please state machine type and number as well as desig-
nation and spare part number as shown in the spare parts list.
This will simplify dispatch and ensure you get the right part.
GB
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ESAB LKA 150: Compact and versatile, the ESAB LKA 150 welding power source is designed for solid wire welding with shielding gas or tubular wire without gas. With its user-friendly controls, including voltage and wire feed speed adjustment knobs, this machine offers precise welding performance. Its thermal cut-out feature prevents overheating, ensuring safety during operation.
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