Tweco Quick Fixed - Manual (Page 15)

6-11
Quick fixed automation series torches
SM-QFTORCH TROuBLESHOOTING
SECTION 6:
TROUBLESHOOTING
Problem Possible Cause Corrective Action
Wre feed nconsstent or not
smooth. 1. Loose drve rollers on feeder.
2. Drty or plugged condut
3. Condut pulled back from dffuser.
4. Sharp bends or knks n condut.
5. Machne mproperly adjusted.
6. Spatter buldup on end of contact
tp.
7. Loose contact tp or dffuser.
8. Excessvely worn contact tp.
9. Loose ground cable or ground
clamp.
1. Tghten drve rollers.
2. Replace condut.
3. Reposton condut and tghten front
screw.
4. Remove and replace condut.
5. Reset machne per machne and wre
manufacturers’ recommendatons.
6. Clean or replace contact tp.
7. Tghten contact tp and dffuser pler
tght.
8. Replace contact tp.
9. Tghten or replace as requred.
Torch and cable assembly s runnng hot. 1. L o o s e p o w e r c o n n e c t o n .
2. Loose or undersze ground cable or
ground clamp.
3. Conductor tube not tght n torch
block.
4. Loose contact tp or dffuser.
5. Operatng torch and cable assembly
above recommended amperage
ratng.
6. Power cable assembly damaged.
7. Restrcted water flow (only QFW
seres torch).
1. Inspect complete torch and cable for
loose connectons and tghten.
2. Tghten or replace as requred.
3. Tghten stanless setscrew n torch
block.
4. Tghten contact tp and dffuser.
5. Readjust machne to correct
settng for sze of torch beng used.
6. Inspect and replace accordngly.
7. Inspect water lnes for any excessve
bends.
Porous weld 1. Poor or mproper gas flo w.
2. Mosture from torch/conductor tube.
1. Drty or contamnated wre.
2. Base metal contamnaton.
1. Check gas flow out of conductor tube
nozzle. Check for leaks or restrctons
n gas hoses and connectons.
2. Check O-rngs on conductor tube and
torch block. Check the torch block for
any scarrng, gouges to the surface.
1. Change wre.
2. Replace base metal.