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MIRA 151

EWM MIRA 151, MIRA 221 MV, MIRA 251, MIRA 301, WEGA 351, WEGA 401, WEGA 451, WEGA 501, WEGA 601, WEGA DRIVE 41, WEGA DRIVE 41L Operating Instructions Manual

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EWM
HIGHTEC WELDING GmbH
Dr. Günter-Henle-Straße 8 • D-56271 Mündersbach
Fon +49 2680 181-0 • Fax +49 2680 181-244
www.ewm.de • info@ewm.de
GB
Operating instructions
Machines for MIG/MAG welding
WEGA 351, 401, 451, 501, 601
WEGA DRIVE 41, 41L
N. B. These operating instructions must be read before commissioning.
Failure to do so may be dangerous.
Machines may only be operated by personnel who are familiar with the appropriate safety
regulations.
The machines bear the conformity mark and thus comply with the
• EC Low Voltage Directive (2006/95/ EG)
• EC EMC Directive (2004/108/ EG)
In compliance with IEC 60974, EN 60974, VDE 0544 the machines can be used in environments
with an increased electrical hazard.
©
The content of the operating instructions does not constitute grounds for any claims on the part
of the buyer.
The copyright to these operating instructions remains with the manufacturer.
Reprinting, including extracts, only with written approval.
© 2009 Subject to alteration.
Item No.: 099-004934-EWM01
Revised: 21.07.2009
Mündersbach, 25 February 2009
Dear customer,
Thank you for your order.
Premium quality – made in Germany and with a three-year warranty.
The machines from EWM are impressive, with innovative technology, exceptional user-friendliness and
the most up to date inverter and control systems. This makes welding possible that is simple, efficient
and resource-saving as well as being highly economical!
Perfection doesn't happen by coincidence: Every single component is 100% tested and the machine is
“free welded” before it is delivered.
Our comprehensive service offer and the highly developed modern EWM quality management system
guarantee worldwide premium quality “Made in Germany” and a three-year warranty.
Continual further development and optimisation has made us Germany’s market leader in the
manufacture of light arc welding machines. We have manufacturing, training and service locations
throughout the world to advise you and provide you with a comprehensive range of services.
The accompanying operating instructions contain everything about commissioning the machine, notes
regarding safety, maintenance and care, technical data as well as information regarding the warranty. It
is very important to observe all our instructions in order to achieve optimal welding results with the
machine and to ensure many years of safe operation.
Thank you for the trust that you have placed in us. We look forward to a long-term and, above all,
successful partnership with you.
Yours faithfully
EWM HIGHTEC WELDING GmbH
Bernd Szczesny
Executive management
Machine and Company Data
Please enter the EWM machine data and your company’s data in the appropriate fields.
CE
EWM HIGHTEC WELDING GMBH
D-56271 MÜNDERSBACH
TYP:
ART:
SNR:
PROJ:
GEPRÜFT/CONTROL:
Name of Customer / company
Adress
Post code / Place
Country
Stamp / Signature of EWM-distibutor
Date of purchase
Name of Customer / company
Adress
Post code / Place
Country
Stamp / Signature of EWM-distibutor
Date of purchase
3
Contents
Notes on the use of these operating instructions
4 Item No.: 099-004934-EWM01
1 Contents
1 Contents..................................................................................................................................................4
2 Safety instructions.................................................................................................................................8
2.1 Notes on the use of these operating instructions...........................................................................8
2.2 General.........................................................................................................................................10
2.3 Transport and installation.............................................................................................................12
2.3.1 Lifting by crane .............................................................................................................13
2.4 Ambient conditions.......................................................................................................................14
2.4.1 In operation...................................................................................................................14
2.4.2 Transport and storage ..................................................................................................14
3 Technical data.......................................................................................................................................15
3.1 WEGA 351, 401, 451...................................................................................................................15
3.2 WEGA 501, 601...........................................................................................................................16
3.3 WEGA DRIVE 41 L......................................................................................................................17
3.4 WEGA DRIVE 41.........................................................................................................................17
4 Machine description.............................................................................................................................18
4.1 WEGA 351, 401, 451K.................................................................................................................18
4.1.1 Front view.....................................................................................................................18
4.1.2 Rear view......................................................................................................................20
4.2 WEGA 351, 401, 451, 501, 601 D ...............................................................................................22
4.2.1 Front view.....................................................................................................................22
4.2.2 Rear view......................................................................................................................24
4.3 WEGA DRIVE 41 L......................................................................................................................26
4.3.1 Front view.....................................................................................................................26
4.3.2 Rear view......................................................................................................................27
4.4 WEGA DRIVE 41.........................................................................................................................28
4.4.1 Front view.....................................................................................................................28
4.4.2 Inside view....................................................................................................................29
5 Functional characteristics...................................................................................................................30
5.1 Machine control – Operating elements........................................................................................30
5.1.1 Welding machine control M1.02...................................................................................30
5.1.1.1 Internal operating elements...........................................................................31
5.1.1.2 Setting the operating point (welding output) .................................................32
5.1.1.3 Welding parameter ignition time "tZn" diagram.............................................32
5.1.2 M2.20 welding machine control....................................................................................33
5.1.2.1 Setting the operating point (welding output) .................................................35
5.1.2.2 Setting the operating mode and runtime parameters....................................35
5.1.2.3 Setting the expert parameters.......................................................................36
5.1.2.4 Welding parameter ignition time "tZn" diagram.............................................36
5.1.3 M2.40 welding machine control....................................................................................37
5.1.3.1 Select JOB number (welding task)................................................................39
5.1.3.2 Setting the operating point (welding output) .................................................40
5.1.3.3 Setting the wire correction.............................................................................40
5.1.3.4 Setting the operating mode and runtime parameters....................................41
5.1.3.5 Setting the expert parameters.......................................................................42
5.1.3.6 Welding parameter ignition time "tZn" diagram.............................................42
5.1.3.7 Reset to factory settings................................................................................43
5.1.3.8 Check the machine type setting....................................................................43
5.1.3.9 Setting the machine type...............................................................................43
5.1.3.10 Explanation of symbols ...............................................................................44
Contents
Notes on the use of these operating instructions
Item No.: 099-004934-EWM01 5
5.2
MIG/MAG functional sequences / operating modes....................................................................45
5.2.1 Explanation of signs and functions...............................................................................45
5.2.2 Non-latched operation..................................................................................................46
5.2.3 Latched operation.........................................................................................................47
5.2.4 Spots ............................................................................................................................48
5.2.5 Interval..........................................................................................................................49
5.2.6 MIG/MAG automatic cut-out.........................................................................................49
6 Commissioning ....................................................................................................................................50
6.1 General........................................................................................................................................50
6.2 Area of application – proper usage..............................................................................................50
6.3 Installation....................................................................................................................................51
6.4 Mains connection.........................................................................................................................51
6.5 Machine cooling...........................................................................................................................51
6.6 Coolant.........................................................................................................................................52
6.6.1 List of coolants..............................................................................................................52
6.6.2 Adding coolant..............................................................................................................52
6.7 Workpiece lead, general..............................................................................................................53
6.8 Welding torch and workpiece line connection .............................................................................53
6.8.1 Intermediate tube package connection........................................................................56
6.8.1.1 Wire feed unit................................................................................................56
6.8.1.2 Welding machine...........................................................................................58
6.9 Shielding gas supply....................................................................................................................59
6.9.1 Connecting the shielding gas supply............................................................................59
6.9.2 Gas test or "rinse tube package"..................................................................................60
6.9.3 Setting the shielding gas quantity.................................................................................60
6.10 Inserting the wire electrode..........................................................................................................61
6.10.1 Fixing the wire spool retainer (pre-tension adjustment)...............................................61
6.10.2 Spool brake setting.......................................................................................................62
6.10.3 Inserting the wire spool ................................................................................................63
6.10.4 Changing the wire feed rollers......................................................................................64
6.10.5 Inching the wire electrode ............................................................................................65
7 Maintenance and testing.....................................................................................................................66
7.1 General........................................................................................................................................66
7.2 Cleaning.......................................................................................................................................66
7.3 Test..............................................................................................................................................67
7.3.1 Test equipment.............................................................................................................67
7.3.2 Scope of the test...........................................................................................................68
7.3.3 Visual inspection...........................................................................................................68
7.3.4 Measuring the open circuit voltage...............................................................................68
7.3.5 Measurement of insulation resistance..........................................................................68
7.3.6 Measuring the leakage current (protective conductor and contact current).................69
7.3.7 Measurement of protective conductor resistance ........................................................69
7.3.8 Functional test of the welding machine........................................................................69
7.3.9 Documentation of the test ............................................................................................69
7.4 Repair Work.................................................................................................................................70
7.5 Disposing of equipment...............................................................................................................71
7.5.1 Manufacturer's declaration to the end user..................................................................71
7.6 Meeting the requirements of RoHS.............................................................................................71
8 Warranty................................................................................................................................................72
8.1 General Validity............................................................................................................................72
8.2 Warranty Declaration...................................................................................................................73
Contents
Notes on the use of these operating instructions
6 Item No.: 099-004934-EWM01
9
Operating problems, causes and remedies.......................................................................................74
9.1 Customer checklist.......................................................................................................................74
9.2 Resetting the control (Reset all)...................................................................................................74
9.3 Check the machine type setting...................................................................................................75
9.4 Setting the machine type..............................................................................................................75
10 Accessories, options ...........................................................................................................................76
10.1 General accessories ....................................................................................................................76
10.2 Options.........................................................................................................................................77
10.3 Wire feed rollers...........................................................................................................................78
10.3.1 Wire feed rollers for aluminium wire.............................................................................78
10.3.2 Wire feed rollers for cored wire.....................................................................................78
10.3.3 Conversion sets............................................................................................................78
11 Circuit diagrams...................................................................................................................................79
11.1 WEGA KG, KW (M1.02)...............................................................................................................79
11.2 WEGA KG, KW (M2.20/M2.40)....................................................................................................80
11.3 WEGA DW, DG............................................................................................................................81
11.4 WEGA DRIVE 41 (L) M1.02.........................................................................................................82
11.5 WEGA DRIVE 41 (L) M220/M2.40...............................................................................................83
12 Appendix A............................................................................................................................................84
12.1 Declaration of Conformity.............................................................................................................84
13 Appendix B............................................................................................................................................85
13.1 Recommended settings ...............................................................................................................85
Contents
Notes on the use of these operating instructions
Item No.: 099-004934-EWM01 7
Safety instructions
Notes on the use of these operating instructions
8 Item No.: 099-004934-EWM01
2 Safety instructions
2.1 Notes on the use of these operating instructions
NOTE
Special technical points which users must observe.
• Notes include the "NOTE" keyword in the heading without a general warning symbol.
• Notes are highlighted using a "hand" symbol at the edge of the page.
CAUTION
Working and operating procedures which must be followed precisely to avoid damaging
or destroying the product.
• The safety information includes the "CAUTION" keyword in its heading without a general
warning symbol.
• The hazard is explained using a symbol at the edge of the page.
CAUTION
Working or operating procedures which must be closely observed to prevent possible
minor personal injury.
• The safety information includes the "CAUTION" keyword in its heading with a general
warning symbol.
• The risk is explained using a symbol on the edge of the page.
WARNING
Working or operating procedures which must be closely observed to prevent serious
and even fatal injuries.
• Safety notes include the "WARNING" keyword in the heading with a general warning
symbol.
• The hazard is also highlighted using a symbol on the edge of the page.
DANGER
Working or operating procedures which must be closely observed to prevent imminent
serious and even fatal injuries.
• Safety notes include the "DANGER" keyword in the heading with a general warning symbol.
• The hazard is also highlighted using a symbol on the edge of the page.
Safety instructions
Notes on the use of these operating instructions
Item No.: 099-004934-EWM01 9
Instructions and lists detailing step-by-step actions in given situations can be recognised by bullet points,
e.g.:
• Insert the welding current lead socket into the relevant socket and lock.
Symbol Description
Press
Do not press
Turn
Switch
Safety instructions
General
10 Item No.: 099-004934-EWM01
2.2 General
WARNING
Risk of accidents if these safety instructions are not observed!
Non-observance of these safety instructions is potentially fatal!
• Carefully read the safety information in this manual!
• Observe the accident prevention regulations in your country.
• Inform persons in the working area that they must observe the regulations!
CAUTION
Obligations of the operator!
In the European Economic Area (EEA), the relevant national version of the basic
guidelines must be followed and observed!
• National version of the basic guidelines (89/391/EEC) as well as the relevant individual
guidelines.
• In particular the Directive (89/655/EEC) on the minimum regulations for safety and health
protection when staff members are using equipment during work.
• The accident prevention regulations of the relevant country (e.g. in Germany, BGV D 1).
• Check at regular intervals that users are working in a safety-conscious way!
Damage due to the use of non-genuine parts!
The manufacturer's warranty becomes void if non-genuine parts are used!
• Only use system components and options (power sources, welding torches, electrode
holders, remote controls, spare parts and replacement parts, etc.) from our range of
products!
• Only insert and lock accessory components into the relevant connection socket when the
machine is switched off.
CAUTION
Noise exposure!
Noise exceeding 70 dBA can cause permanent hearing damage!
• Wear suitable ear protection!
• Persons located within the working area must wear suitable ear protection!
DANGER
Electric shock!
Welding machines use high voltages which can result in potentially fatal electric shocks
and burns on contact. Even low voltages can cause you to get a shock and lead to
accidents.
• Do not touch any live parts in or on the machine!
• Connection cables and leads must be free of faults!
• Switching off alone is not sufficient! Wait for 2 minutes until the capacitors have discharged.
• Place welding torch and stick electrode holder on an insulated surface!
• The unit should only be opened by specialist staff after the mains plug has been unplugged!
• Only wear dry protective clothing!
Safety instructions
General
Item No.: 099-004934-EWM01 11
DANGER
Electromagnetic fields!
The power source may cause electrical or electromagnetic fields to be produced which
could affect the correct functioning of electronic equipment such as IT or CNC devices,
telecommunication lines, power cables, signal lines and pacemakers.
• Observe the maintenance instructions! (see Maintenance and Testing chapter)
• Unwind welding lines completely!
• Shield devices or equipment sensitive to radiation accordingly!
• The correct functioning of pacemakers may be affected (obtain advice from a doctor if
necessary).
Do not carry out any unauthorised repairs or modifications!
To avoid injury and equipment damage, the unit must only be repaired or modified by
specialist, skilled persons!
The warranty becomes null and void in the event of unauthorised interference.
• Appoint only skilled persons for repair work (trained service personnel)!
WARNING
Risk of injury due to radiation or heat!
Arc radiation results in injury to skin and eyes.
Contact with hot workpieces and sparks results in burns.
• Wear dry protective clothing (e.g. welding shield, gloves, etc.) according to the relevant
regulations in the country in question!
• Protect persons not involved in the work against arc beams and the risk of glare using safety
curtains!
Explosion risk!
Apparently harmless substances in closed containers may generate excessive pressure
when heated.
• Move containers with inflammable or explosive liquids away from the working area!
• Never heat explosive liquids, dusts or gases by welding or cutting!
Smoke and gases!
Smoke and gases can lead to breathing difficulties and poisoning. In addition, solvent
vapour (chlorinated hydrocarbon) may be converted into poisonous phosgene due to the
ultraviolet radiation of the arc!
• Ensure that there is sufficient fresh air!
• Keep solvent vapour away from the arc beam field!
• Wear suitable breathing apparatus if appropriate!
Fire hazard!
Flames may arise as a result of the high temperatures, stray sparks, glowing-hot parts
and hot slag produced during the welding process.
Stray welding currents can also result in flames forming!
• Check for fire hazards in the working area!
• Do not carry any easily flammable objects such as matches or lighters.
• Keep appropriate fire extinguishing equipment to hand in the working area!
• Thoroughly remove any residue of flammable substances from the workpiece before starting
welding.
• Only continue work on welded workpieces once they have cooled down.
Do not allow to come into contact with flammable material!
• Connect welding leads correctly!
Safety instructions
Transport and installation
12 Item No.: 099-004934-EWM01
2.3 Transport and installation
CAUTION
Equipment damage when not operated in an upright position!
The units are designed for operation in an upright position!
Operation in non-permissible positions can cause equipment damage.
• Only transport and operate in an upright position!
CAUTION
Risk of tipping!
There is a risk of the machine tipping over and injuring persons or being damaged itself
during movement and set up. Tilt resistance is guaranteed up to an angle of 10°
(according to IEC 60974-1, -3, -10).
• Set up and transport the machine on level, solid ground.
• Secure add-on parts using suitable equipment.
Damage due to supply lines not being disconnected!
During transport, supply lines which have not been disconnected (mains supply leads,
control leads, etc.) may cause hazards such as connected equipment tipping over and
injuring persons!
• Disconnect supply lines!
WARNING
Incorrect handling of shielding gas cylinders!
Incorrect handling of shielding gas cylinders can result in serious and even fatal injury.
• Observe the instructions from the gas manufacturer and in any relevant regulations
concerning the use of compressed air!
• Place shielding gas cylinders in the holders provided for them and secure with fixing
devices.
• Avoid heating the shielding gas cylinder!
Safety instructions
Transport and installation
Item No.: 099-004934-EWM01 13
2.3.1 Lifting by crane
DANGER
Risk of injury during lifting by crane!
When lifting the equipment by crane, serious injuries can be inflicted by falling
equipment or add-on units.
• Transport on all lifting lugs at the same time
(see Fig. Lifting principle)!
• Ensure that there is an even load distribution! Only use ring
chains or suspension ropes of the same length!
• Observe the lifting principle (see Fig.)!
• Remove all accessory components before lifting
(e.g. shielding gas cylinders, tool boxes, wire feed units, etc.)!
• Avoid jerky movements when raising or lowering!
• Use shackles and load hooks of the appropriate size!
min. 1 m
75 °
Fig. Lifting principle
Risk of injury due to unsuitable ring screws!
In case of improper use of ring screws or the use of unsuitable ring screws, persons can
be seriously damaged by falling equipment or add-on components!
• The ring screw must be completely screwed in!
• The ring screw must be positioned flat onto and in full contact with the supporting surfaces!
• Check that the ring screws are securely fastened before use and check for any damage
(corrosion, deformation)!
• Do not use or screw in damaged ring screws!
• Avoid lateral loading of the ring screws!
Safety instructions
Ambient conditions
14 Item No.: 099-004934-EWM01
2.4 Ambient conditions
CAUTION
Equipment damage due to dirt accumulation!
Unusually high quantities of dust, acid, corrosive gases or substances may damage the
equipment.
• Avoid high volumes of smoke, vapour, oil vapour and grinding dust!
• Avoid ambient air containing salt (sea air)!
Non-permissible ambient conditions!
Insufficient ventilation results in a reduction in performance and equipment damage.
• Observe the ambient conditions!
• Keep the cooling air inlet and outlet clear!
• Observe the minimum distance of 0.5 m from obstacles!
Installation site!
The machine must not be operated in the open air and must only be set up and operated
on a suitable, stable and level base!
• The operator must ensure that the ground is non-slip and level, and provide sufficient
lighting for the place of work.
• Safe operation of the machine must be guaranteed at all times.
2.4.1 In operation
Temperature range of the ambient air:
• -20 °C to +40 °C
Relative air humidity:
• Up to 50% at 40 °C
• Up to 90% at 20 °C
2.4.2 Transport and storage
Storage in an enclosed space, temperature range of the ambient air:
• -25 °C to +55 °C
Relative air humidity
• Up to 90% at 20 °C
Technical data
WEGA 351, 401, 451
Item No.: 099-004934-EWM01 15
3 Technical data
3.1 WEGA 351, 401, 451
WEGA series 351 401 451
Switching steps
16 24 (2x12) 24 (2x12)
Welding current setting range
30 A–350 A 30 A–400 A 30 A–450 A
Duty cycle at 40°C ambient temperature
45% DC
350 A 400 A 450 A
60% DC
300 A 330 A 400 A
100% DC
230 A 255 A 310 A
Duty cycle at 20°C ambient temperature
52.5% DC
350 A 400 A 450 A
70% DC
300 A 330 A 400 A
100% DC
250 A 275 A 335 A
Open circuit voltage
15.5-41 V 15.5-45 V 16.5-45 V
Mains connection lead
H07RN-F4G4
Mains voltage (tolerances)
3 x 400 V (+/- 15%)
Frequency
50/60 Hz
Mains fuse (slow-blow safety
fuse)
3 x 25 A
Max. connected power
16.0 kVA 19.2 kVA 23.2 kVA
Workpiece lead
50 mm² 70 mm² 70 mm²
Recommended generator
power
21.5 kVA 26 kVA 32 kVA
Cosϕ
0.95
Weight KG
130 kg 145 kg 150 kg
Weight KW
150 kg 165 kg 170 kg
Weight DG
125 kg 139 kg 144 kg
Weight DW
145 kg 159 kg 164 kg
Dimensions (L x W x H in mm)
1100 x 550 x 940
Insulation class/protection
classification
H/IP 23
Ambient temperature
-20°C to +40°C
Machine/torch cooling
Fan, gas or water, depending on type
Constructed to standards
IEC 60974-1, -5, -10 /
/
Specifications of internal wire-feed unit (only KG, KW):
WF speed
0.5–24 m/min
Standard WF rollers
1.0 + 1.2 mm (for steel wire)
Drive
4-roller (37mm)
Torch connection
Welding torch central connection (Euro)
Specifications of internal cooling unit (only KW, DW):
Max. tank capacity
9 l
Flow rate (max.)
5 l/min 5 l/min 5 l/min
Initial pressure (max.)
3.5 bar 3.5 bar 3.5 bar
Technical data
WEGA 501, 601
16 Item No.: 099-004934-EWM01
3.2 WEGA 501, 601
WEGA series 501DW 601DW
Switching steps
36 (3x12)
Welding current setting range
50 - 500 A 50 - 600A
Duty cycle at 40C ambient temperature
45% DC
500 A 600 A
60% DC
435 A 520 A
100% DC
335 A 400 A
Duty cycle at 20C ambient temperature
52,5% DC
500 A 600 A
70% DC
435 A 520 A
100% DC
365 A 440 A
Open circuit voltage
16,5 - 49,5 V 16,5 - 57,5 V
Mains voltage (tolerances)
3 x 400V (+/- 15%)
Frequency
50/60Hz
Mains fuse
(safety fuse, slow-blow)
3x32A
Max. connected power
27,5 kVA 36,7 kVA
Workpiece lead
95 mm
2
95 mm
2
Recommended generator
power
32 kVa 50 kVA
Cosϕ
0,95
Weight
200 kg 228 kg
Dimensions (L/W/H in mm)
960 x560 x 1010
Insulation class/protection
classification
H/IP 23
Ambient temperature
-20°C to +40°C
Machine/torch cooling
Fan/water
Constructed to standards
IEC 60974-1, -5, -10 /
/
Internal cooling unit data
Max. tank capacity
9 l
Flow rate (max.)
5l/min
Initial pressure (max.)
3.5bar
Technical data
WEGA DRIVE 41 L
Item No.: 099-004934-EWM01 17
3.3 WEGA DRIVE 41 L
WEGA DRIVE 41 L
Supply voltage
42 V AC
Max. welding current at 60% DC
520 A
Wire-feed speed
0.5 m/min to 24 m/min
Standard WF roller fitting
1.0 + 1.2 mm (for steel wire)
Drive
4-roller (37mm)
Torch connection
Welding torch central connection (Euro)
Protection classification
IP 23
Ambient temperature
-20°C to +40°C
Dimensions (L x W x H) [mm]
690 x 300 x 410
Weight
approx. 18 kg
Constructed to standards
IEC 60974-1, -5, -10 /
3.4 WEGA DRIVE 41
WEGA DRIVE 41
Supply voltage
42 V AC
Max. welding current at 60% DC
520 A
Wire-feed speed
0.5 m/min to 24 m/min
Standard WF roller fitting
1.0 + 1.2 mm (for steel wire)
Drive
4-roller (37 mm)
Torch connection
Welding torch central connection (Euro)
Protection classification
IP 23
Ambient temperature
-20°C to +40°C
Dimensions (L x W x H) [mm]
680 x 460 x 265
Weight
approx. 24 kg
Constructed to standards
IEC 60974-1, -5, -10 /
Machine description
WEGA 351, 401, 451K
18 Item No.: 099-004934-EWM01
4 Machine description
4.1 WEGA 351, 401, 451K
4.1.1 Front view
Figure 4-1
Machine description
WEGA 351, 401, 451K
Item No.: 099-004934-EWM01 19
Item Symbol Description 0
1
Main switch, machine on/off
2
Step switch, welding voltage "coarse"
3
Step switch, welding voltage
4 Operating elements (see chapter Function specification)
5
Central connection for welding torch (Euro)
Integrated welding current, shielding gas and torch trigger
6
Connection socket, workpiece lead
"Hard" choke tapping
7
Connection socket, workpiece lead
"Medium" choke tapping
8
Connection socket, workpiece lead
Choke tapping "soft"
9
Key button, automatic cut-out of coolant pump
Press to reset a triggered fuse
10
Rapid-action closure coupling, red (coolant return)
11
Rapid-action closure coupling, blue (coolant supply)
12 Coolant tank
13 Transport bar
14 Cooling air inlet
15 Conveyor rolls, guide castors
16
Lifting lug
17 Conveyor rolls, fixed castors
NOTE
Step switch, "coarse" welding voltage not applicable with WEGA 351
Machine description
WEGA 351, 401, 451K
20 Item No.: 099-004934-EWM01
4.1.2 Rear view
Figure 4-2
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