E-3

 

TROUBLESHOOTING

E-3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed througout this manual

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

POSSIBLE

RECOMMENDED

 

 

 

 

(SYMPTOMS)

CAUSES

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

 

 

 

 

4.

Welding current too great or too

a. Exciter output low causing low

a. Check exciter field circuit.

 

 

 

small compared to indication on

output compared to dial indica-

 

 

 

 

 

 

 

the dial.

tion.

 

 

 

 

 

 

 

 

 

b. Operating speed too low or high.

b. Adjust speed screw on governor

 

 

 

 

 

 

for rated RPM operating speed.

 

 

 

 

 

 

 

 

 

5.

Arc continuously pops out.

a. “Current Range Selector” switch

a. Set the switch at the center of the

 

 

 

 

 

may be set at an intermediate

current range desired.

 

 

 

 

 

position.

 

 

 

 

 

 

 

 

 

 

 

 

6.

Engine fails to start.

a. Out of fuel.

a. Fill with at least 75 octane gaso-

 

 

 

 

 

 

line.

 

 

 

 

 

b. Clogged fuel system.

b. Check all lines to carburetor.

 

 

 

 

 

c. Choke not closing tightly.

c. Loosen choke cable screw and

 

 

 

 

 

 

slack off choke wire.

 

 

 

 

 

d. Ignition switch shorted or open.

d. Replace.

 

 

 

 

 

e. Moisture or carbon on spark

e. Remove plugs, clean, and adjust

 

 

 

 

 

plugs.

gap to 0.032”.

 

 

 

 

 

f. Defective distributor.

f. Replace.

 

 

 

 

 

 

 

7.

Low oil pressure. Light not lit

a. Oil too light.

a. Drain; refill with proper grade.

 

 

 

when engine running.

b. Oil too low.

b. Fill to “Full” mark on bayonet

 

 

 

 

 

 

 

 

 

 

 

gauge. Do not overfill.

 

 

 

 

 

c. Defective oil pressure switch or

c. Replace.

 

 

 

 

 

light.

 

 

 

 

 

 

 

 

8.

Lack of Power.

a. Carbon deposits causing pre-igni- a. Run engine under full load for a

 

 

 

 

 

tion.

short time.

b. Incorrect timing.

b. Time ignition. *

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.

JULY97

CLASSIC I

 

LINCOLN ®

ELECTRIC

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Lincoln Electric IM514-A manual JULY97 Classic