Lincoln Electric 250 manual Possible Areas, Contact your local Lincoln

Models: 250

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E-3

 

TROUBLESHOOTING

E-3

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

Engine will not idle down to low

1. Idler switch in High idle position.

 

speed.

 

 

 

 

 

2.

External load on welder or auxil-

 

 

 

 

iary power.

 

 

 

3.

Faulty PC board or idler sole-

 

 

 

 

noid.

 

 

 

 

Engine will not go to high idle when

1. Poor work lead connection to

 

attempting to weld.

 

work.

 

 

 

2.

"Contactor" switch is in wrong

 

 

 

 

position.

 

 

 

3.

Faulty PC board. Low idle speed

 

 

 

 

set to low.

 

 

 

 

Engine will not go to high idle when

1. Auxiliary power load is less than

 

using auxiliary power.

 

100 watts.

 

 

 

2. Faulty PC board.

If all recommended possible areas

 

 

of misadjustment have been

 

 

 

 

checked and the problem persists,

 

 

 

 

Engine does not develop full power.

1. Fuel filter clogged.

Contact your local Lincoln

Authorized Field Service Facility.

 

 

2.

Air filter clogged.

 

 

 

3.

Fouled spark plugs.

 

 

 

4.

Valves out of adjustment.

 

 

 

 

 

 

 

 

 

 

 

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.

RANGER 250

Page 31
Image 31
Lincoln Electric 250 manual Possible Areas, Contact your local Lincoln