25
Daily checking
WELDING POWER SUPPLY
Position
Checking keys
Remarks
Control panel
Switch condition of operation, transfer and
installation.
Test the power indicator.
Cooling fan
Check if there is wind and the sound normal
or not.
If abnormal noise
and no wind, to
check the inner.
Power part
When electrified, abnormal smell or not.
When electrified, abnormal vibration and
buzz or not.
Color changing and heating or not in
appearance.
Periphery
Gas pipe broken, loosen or not.
Housing and other fixed parts loosen or not.
WELDING TORCH
Position
Checking keys
Remarks
Loophole
If installment fixed,
distorted
the front
Reason for air hole.
Attach splash or not.
Reason for burning the torch.
can use splash-proof material
Electric hole
If installment fixed
Reason
damage
of torch screw thread
Damage of its head
hole blocked nor not
and
Reason of
broken arc
unstable
arc
and
Wire sending
tube
Check the
the pipe
extended
size
of
Have to be changed when less
than 6mm, when the extended
part too small, the arc will be
unstable.
Wire diameter and the tube
inner diameter match or not
Reason of unstable arc, please
use the suitable tube.
