Tweco Quick Fixed Bedienungsanleitung PDF herunterladen (Seite 15)

6-11

Quick fixed automation series torches

SM-QFTORCH

TROUBLESHOOTING

SECTION 6:

TROUBLESHOOTING

Problem Possible Cause Corrective Action

Wire feed inconsistent or not

smooth.

1. Loose drive rollers on feeder.

2. Dirty or plugged conduit

3. Conduit pulled back from diffuser.

4. Sharp bends or kinks in conduit.

5. Machine improperly adjusted.

6. Spatter buildup on end of contact

tip.

7. Loose contact tip or diffuser.

8. Excessively worn contact tip.

9. Loose ground cable or ground

clamp.

1. Tighten drive rollers.

2. Replace conduit.

3. Reposition conduit and tighten front

screw.

4. Remove and replace conduit.

5. Reset machine per machine and wire

manufacturers’ recommendations.

6. Clean or replace contact tip.

7. Tighten contact tip and diffuser plier

tight.

8. Replace contact tip.

9. Tighten or replace as required.

Torch and cable assembly is running hot. 1. L o o s e p o w e r c o n n e c t i o n .

2. Loose or undersize ground cable or

ground clamp.

3. Conductor tube not tight in torch

block.

4. Loose contact tip or diffuser.

5. Operating torch and cable assembly

above recommended amperage

rating.

6. Power cable assembly damaged.

7. Restricted water flow (only QFW

series torch).

1. Inspect complete torch and cable for

loose connections and tighten.

2. Tighten or replace as required.

3. Tighten stainless setscrew in torch

block.

4. Tighten contact tip and diffuser.

5. Read just mac hine to correct

setting for size of torch being used.

6. Inspect and replace accordingly.

7. Inspect water lines for any excessive

bends.

Porous weld 1. Po or or imp r ope r gas f l ow.

2. Moisture from torch/conductor tube.

1. Dirty or contaminated wire.

2. Base metal contamination.

1. Check gas ﬂow out of conductor tube

nozzle. Check for leaks or restrictions

in gas hoses and connections.

2. Check O-rings on conductor tube and

torch block. Check the torch block for

any scarring, gouges to the surface.

1. Change wire.

2. Replace base metal.

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