zika MIG 200G Owner's Manual page 17

EARLIER CHECKING DIAGRAM FOR THE ABNORMAL
Area and Item to be Inspected
and Maintained
1. Wire feeding wheel does not match with the
2. Crackle on wire feeding wheel, groove blocked up
Wire Feeding Device
3. Too tight or loose of the handle
4. Wire powder accumulated on the inlet of SUS pipe
Weld Gun and Cable
1. Loose connection of conductive tip, nozzle and
Body of weld gun
2. Contactor of weld gun body is not plunged in or
Power supply cable of
1. Break off (bending fatigue)
weld gun as well as
2. Damaged by weight drop
cable of switch control
Surface Condition of
Parent material and 1. Oil, dirty, rust and paint residues
length that wire 2. Too long length of wire stretched out
stretches out
1. Cross-section of cable that connects to parent
Output Cable
2. Loose connection of （+）,（-）output cable
3. Bad electric conductivity of parent material
1. Cross-section of cable is not enough
Lengthened Cable
2. It is rolled up or folded
Work Condition for
Welding
OWNER'S MANUAL
Earlier Checking Diagram for the Abnormal
Abnormal Items
diameter of wire in texturing tube
or defect
Weld gun cable rolled up or over curved
Adaptability of conductive tip, wire feeding pipe and
cable diameter Worn, blocked up or deformation,
etc.
nozzle contactor
tightened well
material is not enough
Welding current, voltage, angle of weld gun,
welding rate and wire length stretched out should
be confirmed once again
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