Toolex MIG-200, Instruction Manual

Page: 17 / 26

Inspection, Maintenance, and cleaning
Warnin
g!
Before performing any maintenance on the Welder, unplug the power
cord (54) from its electrical outlet and allow all components of the
Welder to completely cool.
.
1. Periodically open the Access Panel
from the machine and, using
compressed air, blow out all dust and
debris from the interior
2. Always store the welder in a clean,
dry, safe location out of reach of
children and other unauthorized
people.
3. For optimal weld quality, clean and
inspect the contact tip and nozzle
before each use, as follows:
4. inspect the Contact Tip (51b) and Nozzle (51a) before each use, as follows:
Nozzle Inspection, cleaning,
1. Turn the Nozzle
(1b)
counterclockwise while
pulling to remove.
2. Scrub the interior of the Nozzle
clean with a wire brush.
3. Examine the end of the
nozzle(1a).The end should be flat
and even, If the end is uneven,
chipped, melted, cracked, or
otherwise damaged, the nozzle will
adversely effect the weld and
should be replaced.
4. Reinstall the Nozzle (1a)
after inspecting and cleaning
the Contact Tip.
Contact tip Inspection,
cleaning, and replacement
1. Make sure the entire Welding torch is
completely cool before proceeding.
2. Remove the nozzle as explained
above. Then remove the contact tip.
3. Scrub the exterior of the contact tip
clean with a wire brush. Check that
the contact tip is the proper type for
the wire size used.
4. Examine the hole at the end of the
contact tip for the following problems:
Shape: The hole should be an even
circle, and should not be oblong or
have any bulges in it.
Size: The Contact Tip will decrease
in efficiency as the center hole
enlarges.
A Contact Tip that
measures 150% or more the original
size
* should be replaced. (*.045” or
more for .030” tips; .035” or more
for .023 tips.)
5. If any problems are noted with a
Contact Tip (1b), it is recommended
to have it replaced.
6. When inspection and maintenance is
completed, reinstall the Contact Tip
(1b) and Nozzle (2b).