30
Gas Cylinder and
Gas Regulator
1. Turn on gas supply
2. Residual Amount of Gas in the
Cylinder
3. Set value for flow
4. Connection joint loose
Gas supply hose
(the whole line from
the high pressure
cylinder to the weld
gun)
1. Connection joint loose
2. Gas hose damaged
Initial problems diagnose
Abnormal Items
Area and Item to be Inspected and Maintained
No
a
rc
h
No
G
a
s
o
u
t
No
W
ire
F
e
ed
in
g
B
a
d
A
rc
Ig
n
itio
n
U
n
s
ta
b
le
A
rc
Di
rt
o
n
E
d
g
e
o
f We
ld
S
e
a
W
ire
S
tick
to
P
a
re
n
t m
a
te
rial
W
ire
S
tick
to
C
o
nd
u
c
tiv
e
T
ip
B
lo
w
h
o
le
F
o
rm
e
d
Wire Feeding
Device
1. Wire feeding wheel does not match with
the diameter of wire in texturing tube
2. Crackle on wire feeding wheel, groove
blocked up or defect
3. Too tight or loose of the handle
4. Wire powder accumulated on the inlet of
SUS pipe
Weld Gun and
Cable
1. Weld gun cable rolled up or over curved
2. Adaptability of conductive tip, wire feeding
pipe and cable diameter Worn, blocked up or
deformation, etc.