Vevor 145A MIG WELDER MIG Welder, 145A Welding Machine, 3 in 1 Combo MMA/MIG/Lift TIG Welder Machine, Flux Core Welder, MIG-145 Portable Welding Machine, mig Welding Equipment with 1 KG Welding Wire Stick Welder

User Manual - Page 14

For 145A MIG WELDER.

PDF File Manual, 16 pages, Read Online | Download pdf file

145A MIG WELDER photo
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CHECK FAULTS
When abnormal situation such as failure of welding, unstable arc, poor welding result, do not
consider that it must be some faults.
The machine may be well but just some reasons cause abnormality such as that some connectors
are loosened, forget to turn on the switch, wrong setting, broken cable and gas pipe, etc. So before
maintenance, Please check it up first, some problem may be solved.
The following is earlier checking diagram by this way. In the top right corner item you can find the
problem, please check according to the diagram for the one with “O” mark.
EARLIER CHECKING DIAGRAM FOR THE ABNORMAL
The abnormal
Place and item to be checked
No arcing
No gas
Can not Send wire
Poor Arcing initiation
Unstable arc
Welding margin unclean
Wire and Material conglutinated
Wire links Electric leading hole
fcon conglutinated
Have air hole
Power supply box
input protective
set
1connected or not
2fuse broken
3connector loosen
Input cable
1Broken or not
2Connector loosen
3overheat
Power
1Switched or not
2lack phase
Gas cylinder&adjuster
1open cover
2remains of gas
3flow setting volume
4Connecting point loosen
Gas pipe (access from
the high-pressure
cylinder to torch)
1Connecting point loosen
2Pipe broken
Wire sending
equipment
1Wheel and leading tube not
match
2Wheel broken, slot blocked
or lack
3Over pressing or loosen,
powder store up in entrance
of SUS tube
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