TER SRL MIG175GD, User Manual

Page: 37 / 37

USER MANUAL
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35
- YF-74L A2
WIRE SENDING MACHINE
Position Checking keys Remarks
Pressing arm If put the arm to the suitable indicating level Lead to unstable arc and wire sending
Wire lead tube
If powder or residue store up in the mouth of the
tube
Clean the residue and check the reason
and solve it
Wire diameter and the tube inner diameter
match or not
If not match, lead to unstable arc and
residue
If the tube mouth center matches the wire wheel
slot center or not. (Eyeballing)
If unmatched, lead to unstable arc and
residue
Wire wheel
Wire diameter matches the wheel’s requirement
If the wheel slot blocked
1.
Lead to unstable arc and residue, and
block wire tube
2.
Change new one if necessary
Pressure
wheel
Check the stability of its move, and wearing-out
of pressed wire, the narrowing of its contact
surface
Lead to unstable arc and wire sending
CABLE
Position Checking keys Remarks
Torch cable
1.
If torch cable over bended
2.
If the metal connecting point of mobile plug
loosen
1.
Cause poor wire sending
2.
Unstable arc if cable over bended
Output cable
1.
Wearing-out of the cable insulated material
2.
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
Input cable
1. If the connection between the plug and the
power socket is firm
2. If the power input end cable fixed
3. If the input cable is worn out and bares the
conductor
Earth cable
If the earth cable that connects the main part
is broken and connects tightly