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
TROUBLESHOOTING AND REPAIR | ||||
Observe Safety Guidelines detailed in the beginning of this manual. |
|
| ||
|
|
|
|
|
| PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED |
|
| (SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION |
|
|
|
|
|
|
|
| OUTPUT PROBLEMS |
|
|
The welding arc frequently “pops | The Job selector rheostat may | The engine RPM may be |
| |
out”. Welding seems otherwise | be set too low. | incorrect; perform the Engine | ||
normal and auxiliary output | If a remote control is being used, | RPM Adjustment Test. |
| |
voltage appears normal. |
|
| ||
|
| try switching to local control. | Perform the Brush and Slip |
|
|
| The remote control unit may be | Ring Service Procedure. |
|
|
| faulty. | Perform the Welding Generator | |
|
| Check welding cables for | ||
|
| Brush and Commutator |
| |
|
| damaged or poor connections. | Inspection and Service |
|
|
| Welding cable may be | Procedure. |
|
|
|
|
| |
|
| excessively long, too small, or | Perform the Output control unit | |
|
| coiled. Try using a set of short | Inspection and Service |
|
|
| test cables of adequate size. | Procedure. |
|
|
|
| Perform the Exciter Rotor |
|
|
|
| Voltage Test. |
|
|
|
| Perform the Shunt Field Circuit | |
|
|
| Voltage Test. |
|
|
|
| Check that the rocker is aligned | |
|
|
| to the factory drill mark, and |
|
|
|
| perform the Rocker Adjustment | |
|
|
| Procedure if necessary. |
|
|
|
| ||
The engine will not crank when | The batteries may be | Check for battery voltage where | ||
the start button is pressed. | discharged. Check, and if | lead 235 connects to the starter | ||
|
| necessary, charge or replace the | solenoid, while holding in the |
|
|
| batteries. | start button. |
|
|
| The battery cables or battery | • If no voltage is present, check | |
|
| connections may be loose or | the connections and wiring | |
|
| corroded. Service the battery | connecting the starter |
|
|
| terminals. | solenoid, the ammeter, and | |
|
|
| the start push button switch. | |
|
|
| (See the wiring diagram) | If |
|
|
| the wiring and connections | |
|
|
| are good, replace the push | |
|
|
| button switch. |
|
|
|
|
|
|
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
