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Do  not  weld  on  coated  metals,  unless  the  coating  is 
removed from the weld area, the area is well ventilated, and 
while  wearing  an  air-supplied  respirator.  The  coatings  on 
many metals can give o

 toxic fumes if welded.

Prevention against burns and radiation

Arc  rays  from  the  welding  process  produce  intense,  visible 
and invisible (ultraviolet and infrared) rays that can burn eyes 
and skin. 

Wear an approved welding helmet fitted with a proper shade 
of filter lens to protect your face and eyes when welding or 
watching 

Wear  approved  safety  glasses  with  side  shields  under  your 
helmet. 

Never use broken or faulty welding helmets.

Always  ensure  there  are  adequate  protective  screens  or 
barriers  to  protect  others  from  flash,  glare  and  sparks  from 
the  welding  area.  Ensure  that  there  are  adequate  warnings 
that welding or cutting is taking place. 

Wear suitable protective flame resistant clothing.

The sparks and spatter from welding, hot work pieces, and 
hot equipment can cause fires and burns

Welding  on  closed  containers,  such  as  tanks,  drums,  or 
pipes, can cause them to explode. 

Accidental  contact  of  electrode  to  metal  objects  can  cause 
arcs, explosion, overheating, or fire. 

Check and be sure the area is safe and clear of inflammable 
material before carrying out any welding.

Protection against noise

Some welding and cutting operations may produce noise.

Wear safety ear protection to protect your hearing.

Protection from moving parts

When  the  machine  is  in  operation  keep  away  from  moving 
parts  such  as  motors  and  fans.  Moving  parts,  such  as  the 
fan, may cut fingers and hands and snag garments.

Protections and coverings may be removed for maintenance 
and  controls  only  by  qualified  personnel,  after  first 
disconnecting the power supply cable.

Replace  the  coverings  and  protections  and  close  all  doors 
when  the  intervention  is  finished,  and  before  starting  the 
equipment.

Take care to avoid getting fingers trapped when loading and 
feeding wire during set up and operation.

When  feeding  wire  be  careful  to  avoid  pointing  it  at  other 
people or toward your body.

Always ensure machine covers and protective devices are in 
operation.

Precautions against fire and explosion

Avoid  causing  fires  due  to  sparks  and  hot  waste  or  molten 
metal

Ensure that appropriate fire safety devices are available near 
the cutting / welding area.

Remove  all  flammable  and  combustible  materials  from  the 
cutting / welding zone and surrounding areas 

Do not cut/weld fuel and lubricant containers, even if empty. 
These  must  be  carefully  cleaned  before  they  can  be  cut/
welded.

Always allow the cut/welded material to cool before touching 
it  or  placing  it  in  contact  with  combustible  or  flammable 
material.

Do  not  work  in  atmospheres  with  high  concentrations  of 
combustible fumes, flammable gases and dust.

Always  check  the  work  area  half  an  hour  after  cutting  to 
make sure that no fires have begun.

Risks due to magnetic fields

The magnetic fields created by high currents may a

ect 

the  operation  of  pacemakers  or  electronically  controlled 
medical equipment. 

Wearers  of  vital  electronic  equipment    should  consult  their 
physician before beginning any arc welding, cutting, gouging 
or spot welding operations.

Do  not  go  near  welding  equipment  with  any  sensitive 
electronic  equipment  as  the  magnetic  fields  may  cause 
damage.

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Summary of Contents for MIG 350C

Page 1: ...wilkinsonstar com MIG Series MIG MAG MMA Compact welding machines Order code JM 350C MIG 350C OPERATOR MANUAL...

Page 2: ...pplier of equipment in the UK and our products are supported by our extensive service network Call your distributor in the unlikely event of a problem occurring Please record below the details from yo...

Page 3: ...e protection Insulate yourself from work and ground using dry insulating mats or covers big enough to prevent any physical contact with the work ground Never touch the electrode if you are in contact...

Page 4: ...an may cut fingers and hands and snag garments Protections and coverings may be removed for maintenance and controls only by qualified personnel after first disconnecting the power supply cable Replac...

Page 5: ...etwork at the public network connection point must be applied to these systems In this case the installer or the user is responsible for ensuring the equipment can be connected consulting the electric...

Page 6: ...elding dynamic characteristic control circuit in MIG provides a stable arc low spatter excellent weld appearance and high welding e ciency By removing the ball at the end of the wire after welding a h...

Page 7: ...urrent A 350 Rated output voltage V 31 5 Rated duty cycle 350A 40 No load voltage V 59 2V Output current range in MMA A 20 350 Output current range in MIG A 50 350 Output voltage range in MIG V 15 38...

Page 8: ...r LED 6 Overheating LED 7 Wire inch button 8 Wire feed speed control knob in MIG 9 Voltage meter 10 Inductance control knob 11 Current meter 12 TIG MMA MIG switch 13 Push Pull torch switch 14 Socket o...

Page 9: ...Rear View 18 Fan 19 Socket of gas regulator heater 20 Input power cord 21 Power switch 22 Grounding terminal 23 Gas inlet 21 Burn back control 8...

Page 10: ...d to the negative terminal and the work return to the positive terminal MMA welding Insert the cable plug with the electrode holder into the socket on the front panel of the welding machine and tighte...

Page 11: ...front panel of the welding machine and tighten it clockwise Insert the quick plug of the gas no gas selector into the output terminal on the middle plate of the welding machine and tighten it clockwis...

Page 12: ...to the work piece and raising it MIG MAG Connect the MIG torch leads as detailed above Ensure that a suitable inert gas supply is connected Switch the power switch on the back panel to ON the machine...

Page 13: ...ell connected 4 Check if the machine is correctly and reliably earthed 5 Check if the welding cable is correctly and well connected 6 Check if the gas path and gas regulator is in good condition Note...

Page 14: ...ine fails When torch trigger is pressed wire feeder works and gas comes out but there is no output current and the protection LED is off 1 Check if the cable to the workpiece is in good contact 2 Chec...

Page 15: ...opping welding so that the shielded gas can protect the weld bead 2 Prolong the post flow time of the shielded gas No gas flow when the torch trigger is pushed but the wire feed operates normally 1 Th...

Page 16: ...Electrical schematic 7 15 VDC...

Page 17: ...Parts list 8 16 33 31 37 29 30 26 32 24 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 22 21 20 19 18 17 23 36 35 1 25 27 28 34...

Page 18: ...k Panel 8 10003585 Inching switch 26 10016685 Hub assembly 9 10006505 Speed potentiometer 27 10001429 Power cable 9 10006506 Current voltage potentiometer 28 10004744 Square sockets 10 10004918 Knob 2...

Page 19: ...JM MIG Series MIG MAG MMA WELDING MACHINE Order code JM 350C MIG 350 Wilkinson Star Limited Issue 1 January 2014 Product is subject to change without notice xviii...

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