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11. DAILY CHECK.
To make best use of the machine, daily checking is very important. During the daily checking, please check
in the order of torch, wire-feeding vehicle, all kinds of PCB, the gas hole, and so on. Remove the dust or
replace some parts if necessary. To maintain the purity of the machine, please use original welding parts.
Cautions：Only the qualified technicians are authorized to undertake the repair and check task of this
welding equipment in case of machine fault.
11.1 Power supply:
Part
Switch on the power and check if the
Control panel
power indicator is on.
Check if the fan is functioning and the
Fan
sound generated is normal.
Switch on the power supply, and check if
abnormal vibration, heating of the case of
Power supply
this equipment, variation of colors of case
or buzz presents.
Check if gas connection is available, case
Other parts
and other joints are in good connection.
11.2 Welding torch MIG:
Part
Check if the nozzle is fixed firmly
and distortion of the tip exists.
Nozzle
Check if there is spatter sticking
on the nozzle.
Check if the contact tip is fixed
firmly.
Contact tip
Check if the contact tip is
physically complete.
Make sure that there is the
agreement of wire and wire feed
tube.
Make sure that there is no
bending or elongation of wire
feed tube.
Wire feeding
Make sure that there is no dust or
hose
spatter accumulated inside the
wire feed tube, which makes the
wire feed tub blocked.
Check if the wire feed tube and O-
shaped seal ring
complete.
Make sure that the diffuser of
Diffuser
required specification is installed
and is unblocked.
Check
Check
Possible gas leakage occurs due to the unfixed
nozzle.
Spatter possibly leads to the damage of torch.
Use anti-spatter to eliminate the spatter.
Unfixed contract tip possibly leads to unstable
arc.
The physically incomplete contact tip possibly
leads to unstable arc and arc automatically
terminating.
Disagreement of the diameters of wire and wire
feed tube possibly leads to the unstable arc.
Replace it/them if necessary.
Bending and elongation of wire feed tube
possibly leads to the unstable wire feed and arc.
Replace it if necessary.
If there is dust or spatter, remove it.
The Physically incomplete wire feed tube or O-
shaped seal ring possibly leads to the excessive
are physically
spatter. Replace the wire feed tube or O-shaped
seal ring if necessary.
Defection weld or even the damage of torch
occurs due to the non-installation of diffuser or
the unqualified diffuser.
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Remarks
If the fan doesn't work or the sound
is abnormal, do inner check.
Remarks
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