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Summary of Contents for MWTIG

Page 1: ...nd all safety blocks carefully Have only trained and qualified persons install operate or service this unit Call your distributor if you do not understand the directions L _ 1 oLsfi Give this manual t...

Page 2: ...e when precautions are taken The safety information given below is only a summary of the more complete safety information found in the welding power source Owners Manual Read and follow all safety pre...

Page 3: ...rd Symbol If Available 6 Safety Banner Read safety blocks for each sym bol shown 7 NOTE Special instructions for best opera tion not related to safety 5 READ SAFETY BLOCKS at start of Section 3 1 befo...

Page 4: ...0 A Range 3 High Max 110 A Range 4 150 A Range 4 Range 4 Range 4 Do not operate in this range Range 5 Range 5 Range 6 Range 6 2 1 Duty Cycle WELDING LONGER THAN RATED DUTY CYCLE can damage torch and v...

Page 5: ...Body 4 Standard Collet Assembiing Torch Body 5 Torch Body 6 Heat Shield 7 Backcap Long Backcap Shown 8 0 Ring Instaliing Tungsten To adjust tungsten position loosen backcap Keep connections tight Repl...

Page 6: ...time through grommet in front pan el Connect torch trigger leads to matching welding power source trigger leads polarity is not impor tant Or 3 Adapter Plug Trigger Leads Connect torch trigger leads t...

Page 7: ...drafts Check and tighten all gas fittings bright after conclusion of weld I _________________________________________________________________ Increase postflow time see Figure 3 3 OM 171 108 Page 5 1...

Page 8: ...80 60 130 100 180 160 240 190 300 250 400 2 Thorium Alloyed Tungsten Red Band 010 020 040 1 16 3 32 1 8 5 32 3 16 1 4 Up to 25 15 40 25 85 50 160 135 235 250 400 400 500 500 750 750 1000 10 20 15 30...

Page 9: ...2 Preparing Tungsten For DC Electrode Negative DCEN Welding 1 Tungsten Electrode 2 Balled End Ball end of tungsten before welding by applying either an ac amperage Electrode Diameter mended for a give...

Page 10: ...plete Assembly ST 800 881 Quantity 5 9 8 6 20 Item No Part No 171 110 TORCH BODY AIR COOLED 1 POWER CABLE ASSY 12 FT W SPEC FITTINGS 1 BACKCAPSHORT 1 0 RING FOR BACK CAP 1 CUP GASKET 1 COLLETS 1 16 1...

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