10 – TTC 130, TTC 130F, TTC 160, TTC 160S, TTC 220, TTC 200W,
TTC 250W, TTC 250WS/0109
© COPYRIGHT KEMPPI OY
4. OPERATION DISTURBANCES
4.1. THE MOST USUAL OPERATION DISTURBANCES ARE
AS FOLLOWS:
Arc is not ignited:
- Cable is loose or there is a bad connection.
- Electrode of torch is highly oxidized (grey). Sharpen again lengthwise. Check that
post gas time is long enough. Check ignition by using pre-gas e.g. by 4-function
operation of torch.
- There are impurities in shielding gas (moisture, air).
- Protective hose or another insulation of torch is broken and ignition spark is “esca-
ping” from elsewhere than from electrode of torch.
- Torch is wet.
- At low current is used too big or blunt electrode.
Gas shielding is bad (weld pool “is boiling”, electrode will be oxidized)
- There are impurities in shielding gas (moisture, air).
- There are impurities in base material (rust, base coat, grease).
- On gas nozzle or housing of tightening bushing has stuck “spatter”.
- Net of gas lens is damaged.
- There is too much draught at welding place.
- Note! With gas lens equipment you get a more balanced gas ow than with normal
gas nozzle equipment.
5. ORDERING NUMBERS
TTC 130 TTC 130F TTC 160 TTC 160S
4m 627013004 627013104 627016004 627016204
8m 627013008 627013108 627016008 627016208
16m 627013016 627013116 627016016 627016216
TTC 220 TTC 200W TTC 250W TTC 250WS
4m 627022004 627020504 627025504 627025704
8m 627022008 627020508 627025508 627025708
16m 627022016 627020516 627025516 627025716
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