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3 phase uni-tig 250 JN ac/dc tig manual - Welding Tools

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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CarlGehrke
  • 169 Answers

SOURCE: miller syncrowave 200 makes buzzing noise from spark gaps.

Odd noises other than the normal sound of the spark gap working are often the result of dust and junk inside the case of your welder. That it also bogs down when it gets warmed up (fan comes on), also points to a need for some "annual maintenance" stuff being done.

Completely isolate the machine from the building power supply, pul the plug, open the circuit breaker, do whatever it is that makes the machine have no connection to any power.

Take off the covers with a 10mm or 3/8 inch socket (can't remember which)

Use a shop vac to **** out all of the dust and debris out of the machine. Low pressure (40 psi) air can sometimes be helpful to dislodge caked on dirt. Avoid any metal tools near the capacitor bank inside the welder.

Wipe off the fan blades.

Clean the spark gap electrodes by inserting and removing a matchbook cover, a business card, or a piece of white cardboard several times. Inspect the electrodes and adjust them according to the manual that came with the welder.

Check all of the power wiring connections for tightness by gently tugging on them. Look for signs of overheating on the power connections and on the internal connections to the welding terminals. Check the range switch for heating too.

With the cover still off, reconnect the power and turn the welder on. Look for obviously vibrating laminations on the main input transformer. If you see one buzzing back and forth, or if you notice lots of wear and tear on the varnish coating of the laminations, shut everything down and repair the loose laminations with some anti-fungal high voltage varnish.

Turn the welder off, disconnect the power, and put it all back together. Then turn the power back on and weld something, if htere is still a buzzing noise you'll need a Miller tech to solve the problem, you likely have a bad input transfirmer.

Regards,
Carl

Posted on Jan 26, 2009

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  • 3 Answers

SOURCE: TIG 250/250

have you checked your regulator if its gone you wont get gas

Posted on Jun 02, 2009

GiantTechGuy
  • 25 Answers

SOURCE: my giant wse 200 tig inverter single phase AC/DC

Hi, remove the machines cover with the machine unplugged then look for disconencted plugs etc within the machine. careful where you place your bare hands.

Posted on Oct 18, 2009

  • 1 Answer

SOURCE: changing from 480v 3 phase to 220v single phase

i have a old miller thunderbolt CC*AC/DC welder its wire single phase 480 can it be switched to 220 single phase

Posted on Jul 02, 2010

alicantecoli
  • 22265 Answers

SOURCE: no Hf start on messer grieshiem ac/dc tig 150

never heard of this as i always strike a arc ,its comes with experiance and you do not even know your doing it .But this could be a new idea that i havent come across on my old machine

Posted on Dec 10, 2011

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My giant wse 200 tig inverter single phase AC/DC welder wont power up when plugged in have anyone got a wiring diagram.


Hi, remove the machines cover with the machine unplugged then look for disconencted plugs etc within the machine. careful where you place your bare hands.

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