E-5

 

 

TROUBLESHOOTING

 

E-5

 

 

 

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed througout this manual

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

 

RECOMMENDED

 

 

 

(SYMPTOMS)

MISADJUSTMENTS(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

 

 

13.

Unable to strike an arc.

a. Idle speed screw is misadjusted.

 

a. Idle speed is set too low so idler

 

 

 

 

 

 

fails to operate when arc is

 

 

 

 

 

 

struck. Adjust low idle speed

 

 

 

 

 

 

screw for 1000-1050.

 

 

 

 

 

 

 

14.

Engine runs irregularly.

a. Carburetor set too lean.

 

a. Adjust carburetor adjusting screw

 

 

 

 

 

 

so engine will run smoothly at

 

 

 

 

b. Carburetor Deicing Kit in wrong

 

idle speed. *

 

 

 

 

 

b. Carburetor Deicing Kit per

 

 

 

 

configuration.

 

instructions on pages B2 and B3.

15.

Engine fails to pick up speed

 

 

a. Check the idler.

 

 

 

when arc is struck.

 

 

 

 

 

 

 

 

 

 

 

 

*

 

See engine manual.

* * Flashing the fields.

 

 

 

Flashing the exciter field consists of passing current through the fields using an external source of 6 to 125 volts of DC power from a storage battery or DC generator. If using a DC generator, keep the generator turned off except when actually applying the flashing current. To flash the fields:

1.Turn the welder off. Raise one exciter brush off the commutator.

2.On Lincoln welders, attach the positive lead from the external DC source to the right hand brushholder.

3.Carefully holding an insulated section of the negative lead from the DC source, touch its lug or clamp to the left hand brushholder for five seconds. Pull it away quickly to minimize arcing.

Remove the lead from the right hand brushholder, replace the brush on the commutator, start the welder and the generator voltage should build up.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

CLASSIC I

LINCOLN ®

ELECTRIC

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Lincoln Electric IM514-A manual Possible Areas Recommended Symptoms