Lincoln Electric SVM103-C service manual Engine Throttle Adjustment

Models: SVM103-C

1 91
Download 91 pages 14.16 Kb
Page 58
Image 58

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

F-10

 

TROUBLESHOOTING

 

 

F-10

 

 

 

 

 

 

 

 

 

 

 

 

 

TROUBLESHOOTING GUIDE - Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

 

RECOMMENDED

 

 

(SYMPTOMS)

MISADJUSTMENTS(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

WELDING PROBLEMS

 

 

 

 

 

 

 

 

 

 

The welding arc is “cold.” The

1. Check for loose or faulty con-

1.

Check for the correct open cir-

engine runs normally (3700 RPM,

nections at the weld output

 

cuit voltage (OCV) at the welder

no load). Auxiliary power is func-

terminals and welding cable

 

output terminals – 62 VAC is

tioning normally.

connections.

 

normal.

 

 

 

 

2. The welding cable may be too

 

If the correct voltage is present

 

 

long or coiled, causing an exces-

 

at the output terminals, check for

 

 

sive voltage drop.

 

loose connections on the heavy

 

 

 

 

current-carrying leads inside the

 

 

 

 

POWER-ARC 4000. See the

 

 

 

 

Wiring Diagram.

 

 

 

 

2.

If the OCV is low at the welder

 

 

 

 

output

terminals,

perform

 

 

 

 

Engine Throttle Adjustment

 

 

 

 

Test.

 

 

 

 

 

3.

Check for shorted or grounded

 

 

 

 

windings in the reactor (L1) and

 

 

 

 

also in

the main

stator.

 

 

 

 

See the Wiring Diagram.

 

 

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 1-800-833-9353

POWER-ARC 4000

Page 58
Image 58
Lincoln Electric SVM103-C service manual Engine Throttle Adjustment