hole. Clean the dust of some parts or replace it if necessary. To keep the original function of the machine,
please purchase the genuine spare parts only from
our company
Ⅰ
.Welding Power Supply
Ⅱ
.Welding Torch
Location
Inspection Keypoints
Remark
Front
Panel
1. Check the work state and installation of the switch.
2. Check and make sure the power-on indicator works
properly.
Cooling
Fan
1.Check whether the fan works properly or there is too
much noise.
Checking is needed if abnormal
noise or non-rotating is found.
Power
Supply
1.Check the unusual vibration or bumming while working
2. Check the peculiar smell while working
3. Check the overheating trace like color change
Outer
Area
1.Check the wear of the gas carrying hose and looseness of
connectors.
2.Check the looseness of the shelf and other fastened parts.
Location
Inspection Keypoints
Remark
Nozzle
1.Whether it is installed firmly or the front-end is
deformed
It leads to bubbles.
2.Whether it is attached with some splashes.
It leads to burning of the welding
torch.(Application of anti-spattering agent is
recommended.)
Contact Tip
1. Whether it is installed firmly
Cause of the damage to the torch
thread
2.Damage of the end, wear or stuck of the bore.
Cause of instable arc or breaking arc
Conductor Tube
1.Check the size of extrusion part
Replace it when it is less than 6mm long.
Too short extrusion may cause instable
arc.(Make it a little longer than the regulated
length when replacing.)
2.Check the consistence of the welding wire
diameter and inner diameter of contact tube.
The unsuitability of them may cause
unstable arc. Change it into a suitable tub.
3.Check the bending or extended parts.
Cause of bad wire-feeding or
