FLARING FM 155E - Page 21

- 21 -
Outer parts
 Whether the wire feeder pipe is broken, and the
connector is loosen
 Whether the outer shell or other connect parts are
loosen
WELDING TORCH
Position Checking keys Remarks
Loophole
 If installment fixed, the front distorted Reason for air hole.

Attach splash or not.
Reason for burning the torch.
（
can use splash-proof material
）
Electric hole

If installment fixed Reason of torch screw thread damage
 Damage of its head and hole blocked
or not
Reason of unstable arc and broken arc
Wire sending
tube
 Check the extended size of the pipe
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.
 Partial winding and extended
Reason of poor wires sending and
unstable arc, please change.

Block caused by dirt in the tube, and
the remains of the wire plating lay.
Reason of poor wire sending and unstable
arc, (use kerosene to wipe or change new
one.)
 Wire sending tube broken O circle
wear out
Pyrocondensation tube broken, change
new tube. Change new O circle
Gas bypass

Forget to insert or the hole blocked,
or different factory component.
May lead to vice (splash) because of poor
gas shield, torch body get burned (arc in
the torch), please handle.
CABLE
Position Checking keys Remarks
Output
cable

Wearing-out of the cable insulated material

Cable connecting head naked (insulation damage),
or loosen (the end of power supply, and cable of
main material connecting point)
For life security and stable
welding, adopt suitable
method to check according
to working place
 Simple check daily
 Careful and in-depth
check on fixed period