Lincoln Electric SP-135T manual Welding Problems

E-4

TROUBLESHOOTING

E-4

Observe all Safety Guidelines detailed throughout this manual

POSSIBLE AREAS OF

PROBLEMS

RECOMMENDED

(SYMPTOMS)

MISADJUSTMENT(S)

COURSE OF ACTION

WELDING PROBLEMS

Arc is unstable – Poor starting

1. Check for correct input voltage

to machine – 115vac.

2.

Check for proper electrode

polarity for process.

3.

Check gun tip for wear or dam-

age and proper size – Replace.

If all recommended possible areas

4.

Check for proper gas and flow

of misadjustment have been

rate for process. (For MIG only.)

checked and the problem persists,

Contact your local

Lincoln

5.

Check work cable for loose or

Authorized Field

Service

faulty connections.

Facility.

6.

Check gun for damage or

breaks.

7.

Check for proper drive roll orien-

tation and alignment.

8.

Check liner for proper size.