Clarke 100E MIG Gas Control

  1. masonmjs New Member

    Messages:
    2
    Location:
    Edinburgh, UK
    Hi,

    I am a complete beginner to welding of any kind and have bought the above machine for essentially 1 job I have on the car (although no doubt it will come in handy for other jobs as they come up).

    I have replaced the liner with a wire one, and also the swans neck liner and am looking at the gas regulator (bottle end) currently as it looks a bit dodgy (it only seems to work over the last 25% of travel).

    But the main problem is that I can hear gas escaping out of the welding nozzle (apologies if I don't have the terminology correct) without pressing the trigger. I thought the trigger also controlled the flow of gas so it would be OK to set the gas to the preferred setting before I start welding and leave it on for the duration but that does not seem to be the case.

    Do I have a defective swans neck or is it meant to do that ?? I have been inside the trigger several times changing stuff so I know there is a block in there for connecting the liner and the gas tube, is there a valve in there controlled by the trigger ?

    I spent a few hours today practicing but it looked terrible, I managed to tune the machine up to give a nice smooth wire feed but it now seems that my gas flow was entirely inadequate, when I turned the gas up full I made my first decent looking weld.

    Thanks in advance

    Cheers
    Mike
     
  2. Cobbler

    Cobbler Codger bodger

    Messages:
    4,314
    Location:
    Gloucestershire UK
    Hi there, the block in the torch that the swan neck screws into is also the gas valve. The seals in this get stiff & sticky sometimes, give it a squirt with some WD40 of similar & work the valve a bit & you will probably find it’s ok then.
     
  3. masonmjs New Member

    Messages:
    2
    Location:
    Edinburgh, UK
    Ah OK thanks, so the brass knob activates the gas valve and the trigger shorts out the metal spring to activate the welder ?

    Makes sense now you mention it ...

    Thanks for that
    Mike
     
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