| TROUBLESHOOTING |
| |||||
|
|
|
|
|
|
|
|
|
|
| Observe all Safety Guidelines detailed througout this manual |
|
| ||
|
|
|
|
|
|
| |
|
|
| PROBLEMS | POSSIBLE | RECOMMENDED | ||
|
|
| (SYMPTOMS) | CAUSES | COURSE OF ACTION | ||
|
|
|
|
|
|
|
|
|
|
|
| PROBLEMS |
|
|
|
9. | Overheating. | a. No water in radiator or clogged | a. Check throughout for dirty or bro- | ||||
|
|
|
| cooling system. | ken hoses, clogged radiator, or | ||
|
|
|
|
| defective water pump. |
|
|
|
|
|
| b. Late timing. | b. Time ignition. * Intake | Exhaust | |
|
|
|
| c. Improper valve clearance. | .014 | .018 |
|
|
|
|
| c. Adjust valve |
|
| |
|
|
|
|
| tappets (cold settings.) |
|
|
|
|
|
| d. Fan belt too loose. | d. Adjust for 3/4” to 1” deflection. | ||
|
|
|
|
|
| ||
10. | Knocking. | a. Poor grade of gasoline. | a. Use at least 75 octane gasoline. | ||||
|
|
|
| b. Spark advanced too far. | b. Retime ignition. * |
|
|
|
|
|
|
| |||
11. | Surging. | a. Governor and carburetor toggles | a. Clean and lubricate. Replace | ||||
|
|
|
| and butterfly valve shaft lever are | toggles if worn. |
|
|
|
|
|
| dirty and sticking. |
|
|
|
|
|
|
| b. Dirty air filter. | b. Remove and clean according to | ||
|
|
|
|
| instructions on unit. |
|
|
|
|
|
| c. Governor spring adjusting screw | c. Adjust screw enough to eliminate | ||
|
|
|
| misadjusted. | surge. * |
|
|
|
|
|
| d. Governor control rod wrong | d. Adjust length of control rod so | ||
|
|
|
| length. | that there is from 1/32” to 1/16” | ||
|
|
|
|
| clearance between the stop pin | ||
|
|
|
|
| and the stop when the engine is | ||
|
|
|
|
| shutoff and the regulator expand- | ||
|
|
|
|
| ed. * |
|
|
|
|
|
|
| |||
12. | Large decrease in speed. | a. Misadjusted governor spring | a. Adjust screw until speed does not | ||||
|
|
|
| adjusting screw. | drop more than 100 RPM ± 25 | ||
|
|
|
|
| RPM when arc is struck. If surge | ||
|
|
|
|
| occurs, eliminate it with the con- | ||
|
|
|
|
| trol rod. If high idle speed | ||
|
|
|
|
| changes, readjust the high idle | ||
|
|
|
|
| speed screw. * |
|
|
|
|
|
|
|
|
|
|
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
