Valid for serial no. 005--xxx--xxxx0455 466 101 011019
LKB 265
LKB 320
Bruksanvisning
Brugsanvisning
Bruksanvisning
Käyttöohjeet
Instruction manual
Betriebsanweisung
Manuel d’instructions
Gebruiksaanwijzing
Instrucciones de uso
Istruzioni per l’uso
Manual de instruções
Ïäçãßåò ÷ñÞóåùò
-- 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.
Äéáôçñåßôáé ôï äéêáßùìá ôñïðïðïßçóçò ðñïäéáãñáöþí ×ùñßò ðñïåéäïðïßçóç.
SVENSKA 3..............................................
DANSK 11................................................
NORSK 19................................................
SUOMI 27................................................
ENGLISH 35..............................................
DEUTSCH 43.............................................
FRANÇAIS 51.............................................
NEDERLANDS 59.........................................
ESPAÑOL 67..............................................
ITALIANO 75..............................................
PORTUGUÊS 83..........................................
ÅËËÇÍÉÊÁ 91.............................................
ENGLISH
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TOCe
1 DIRECTIVE 36........................................................
2SAFETY 36...........................................................
3 INTRODUCTION 37...................................................
3.1 Technical data: LKB 265, LKB 265 4WD 37......................................
3.2 Technical data: LKB 320, LKB 320 4WD 38......................................
4 INSTALLATION 39....................................................
4.1 Mains supply 39..............................................................
4.2 Assembly of components 40...................................................
4.3 Electrical installation 40.......................................................
5 OPERATION 41.......................................................
6 MAINTENANCE 42....................................................
7 ORDERING OF SPARE PARTS 42......................................
DIAGRAM 99............................................................
SPARE PARTS LIST 103...................................................
ACCESSORIES 120.......................................................
-- 3 6 --
bc14d12e
1 DIRECTIVE
DECLARATION OF CONFORMI TY
Esab Welding Equipment AB, 695 81 Laxå, Sweden, gives its unreserved guarantee
that welding power source LKB 265/320 from serial number 523/521 -- 612/547 com-
plies with standard EN 60974-- 1, in accordance with the requirements of directive
(73/23/EEA) and addendum (93/68/EEA).
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --------
Paul Karlsson
Managing Director
Esab Welding Equipment AB
695 81 LAXÅ
SWEDEN Tel: + 46 584 81000 Fax: + 46 584 12336
Laxå 95--11--10
2SAFETY
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
-- 3 7 --
bc14d12e
3 INTRODUCTION
LKB 265, LKB 265 4WD, LKB 320 and LKB 320 4WD are step controlled power
sources in a compact design, intended for welding with solid steel, stainless steel or
aluminium wire as well as tubular wire with or without shielding gas.
The possibility of welding with homogeneous wire/shielding gas and welding with
gasless tubular wire is obtained by switching the + and -- connections on the
switching terminal above the wire feed unit.
3.1 Technical data: LKB 265, LKB 265 4WD
Standard delivery:
Power source equipped with spot welding function and adjustable burnback time.
Integrated wire feed mechanism with feed roller for solid wire, diameter 0.8, and 1.0.
Welding torch PSF 250 4.5 m.
Return cable 4.5 m with r eturn clamp.
Mains cable 3 m and gas hose.
Includes: Handle, (fitted with 2 screws,) gas cylinder shelf ( fitted with 2 screws).
Voltage 400--415 V, 3∼ 50/60 Hz 230/400--415/500V3∼50Hz
230/440--460V, 3∼60Hz
Permissible load at
100% duty cycle
150 A/22 V 150 A/22 V
60 % duty cycle 190 A/24 V 190 A/24 V
30 % duty cycle 265 A/27 V 265 A/27 V
Setting range (DC) 30A/15V--265A/27V 30A/15V--265A/27V
Open circuit voltage 15--38 V 15--38 V
Open circuit power 50 W 50 W
Efficiency 0.69 0.69
Power factor 0.97 0.97
Control voltage 42 V, 50/60 Hz 42 V, 50/60 Hz
Dimensions lxwxh 770x520x620 770x520x620
Weight 92 kg 92 kg
Enclosure class IP 23 IP 23
Application classification
GB
-- 3 8 --
bc14d12e
3.2 Technical data: LKB 320, LKB 320 4WD
Standard delivery:
Power source equipped with switch for 2 /4 step trigger action with gas pre--flow and
gas post--flow in the 4 step mode and adjustable burnback time.
Integrated wire feed mechanism with feed roller for solid wire, diameter 1.0, and 1.2.
Welding torch PSF 315 4.5 m.
Return cable 4.5 m with return clamps.
Mains cable 5 m and gas hose.
Includes: Handle, (fitted with 2 screws,) gas cylinder shelf ( fitted with 2 screws).
Voltage 400--415 V, 3∼ 50/60 Hz 230/400--415/500V3∼50Hz
230/440--460V, 3∼60Hz
Permissible load at
100% duty cycle
195 A/24 V 195 A/24 V
60 % duty cycle 250 A/27 V 250 A/27 V
30 % duty cycle 320 A/30 V 320 A/30 V
Setting range (DC) 40A/16(14)V--320A/30V 40A/16(14)V--320A/30V
Open circuit voltage 16--40 V 16--40 V
Open circuit power 52 W 52 W
Efficiency 0.71 0.71
Power factor 0.97 0.97
Control voltage 42 V, 50/60 Hz 42 V, 50/60 Hz
Dimensions lxwxh 770x520x620 770x520x620
Weight 112 kg 112 kg
Enclosure class IP 23 IP 23
Application classification
Duty cycle
The duty cycle refers to the time as a percentage of a ten--minute period that you can weld at a cer-
tain load without overloading the welding power source.
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 23 is designed for indoor and outdoor 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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bc14d12e
4 INSTALLATION
The in stallatio n 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.
4.1 Mains supply
LKB 265 3∼ 50 Hz 3∼ 50/60 Hz* 3∼ 50 Hz 3∼ 60 Hz 3∼ 60 Hz
Voltage V 230 400/415 500 230 440--460
Current A 100% 13 7 5 13 7
60% 18 10 7 18 9
30% 27 16 13 27 16
Mains lead rating mm
2
22
2
4x2.5 4x1.5 4x1.5 4x2.5 4x1.5
Fuse slow A 20 16 16 20 16
*)LKB 265, LKB 265 4WD
LKB 320
3∼ 50 Hz 3∼ 50/60 Hz* 3∼ 50 Hz 3∼ 60 Hz 3∼ 60 Hz
Voltage V 230 400/415 500 230 440--460
Current A 100% 16 9 7 16 8
60% 23 14 10 23 12
30% 35 20 16 34 18
Mains lead rating mm
2
22
2
4x4 4x2.5 4x2.5 4x4 4x2.5
Fuse slow A 20 16 16 20 16
*)LKB 320, LKB 320 4WD
To prevent the reel sliding off the hub: Lock the reel in place by turning
the red knob as shown on the warning label attached next to the hub.
WARNING!
GB
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bc14d12e
4.2 Assembly of components
ba14s0
03
ba14s0
0
8
4.3 Electrical installation
ba14s
006
230V 50/60 Hz
LKB265 2,5 mm@
LKB320 4 mm@
ba14s0
07
400--415V 3~50 Hz
ba14s
002
230V
440--460V
500V
TC1
ba14s0
01
XT2
Solid wire
Tube wire
GB
-- 4 1 --
bc14d12e
5 OPERATION
General safety regulations for the handling of the equipment can be found on
page 36. Read through before you start using the equipment!
The power sources can be equipped with instrument to display the current and
voltage.
The instruments have a hold function and can be calibrated.
A thermal cut--out prevents overheating.Resetting takes place automatically when
the power source has cooled.
S A -- Space for digital meters (optional)
S B -- Voltage selector, 10--step
S C -- Voltage selector , 4--step
S D -- Main switch, on/off
S E -- Mains indicator lamp
S F -- Thermal overload warning lamp, lights up in case of overheating
S G -- Welding torch connection
S H -- Potentiometer (wire feed)
S J -- Inductance connection
S K -- Potentiometer (spot welding)
ba14s005
GB
-- 4 2 --
bc14d12e
6 MAINTENANCE
Regularly maintenance is important for reliable and safe operations.
Only those persons who have appropriate electrical knowledge (authorised
personnel) may remove the safety plates to connect or carry out service,
maintenance or repair work on welding equipment.
S Blow down the power source with dry, compressed air at a low pressure.
S Cleaning and replacement of the wire feed mechanism’s wear parts should take
place periodically to ensure trouble free wire feed.
Note that an excessive pressure setting can result in abnormal wear on the pres-
sure roller, feed roller and wire liner.
S Blow clean the wire liner regularly and clean the gas nozzle.
The brake hub
The hub is adjusted when delivered, if
readjustment is required, follow the instructions
below. Adjust the brake hub so that wire is slightly
slack when wire feed stops.
S Adjusting the braking torque:
S Turn the red handle to the locked position.
S Insert a screwdriver into the springs in the hub.
Turn the springs clockwise to reduce the braking torque
Turn the springs anticlockwise to increase the braking torque. NB: Turn both
springs through the same amount.
WARNING!
Rotating parts can cause injury, take great care.
7 ORDERING OF SPARE PARTS
LKB is designed and tested in accordance with the EN 60974--1 (IEC
60974--1) international standard.
It is the obligation of the service unit which has carried out the service or re-
pair work to make sure that the product still conforms to the said standard.
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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