|
|
|
|
| TROUBLESHOOTING |
|
| |||
|
| Observe all Safety Guidelines detailed throughout this manual |
| |||||||
|
| PROBLEMS |
|
|
|
| POSSIBLE CAUSE |
| RECOMMENDED |
|
|
|
|
|
|
|
|
| |||
|
| (SYMPTOMS) |
|
|
|
|
| COURSE OF ACTION |
| |
| Variable or “hunting arc. |
|
|
| 1. | Wrong size, worn and/or melted |
|
|
| |
|
|
|
|
|
| |||||
|
|
| 2. | contact tip. |
|
|
| |||
|
|
| Worn work cable or poor work |
|
|
| ||||
|
|
| 3. | connection. |
|
|
| |||
|
|
| Loose electrode or work cable |
|
|
| ||||
|
|
| 4. | connections. |
|
|
| |||
|
|
| Wrong polarity. - Make sure |
|
|
| ||||
|
|
|
|
|
|
| electrode polarity is correct for |
|
|
|
|
|
|
|
|
|
| process being used. |
| If all recommended possible areas of | |
|
|
| 5. | Gas nozzle extended beyond |
| |||||
|
|
|
| misadjustment have been checked | ||||||
|
|
|
|
|
|
| gun tip or wire stickout too long |
| and the problem persists, Contact | |
|
|
| 6. | while welding. |
| your local Lincoln Authorized |
| |||
|
|
| Poor gas shielding on processes |
| Field Service Facility. |
| ||||
|
|
|
|
|
|
| requiring gas. - Check gas flow |
|
|
|
|
|
|
|
|
|
| and mixture. |
|
|
|
|
|
|
|
|
|
| ||||
| Poor arc striking with sticking or | 1. | Improper procedures or tech- |
|
|
| ||||
|
|
|
|
| niques. - See “Gas Metal Arc |
|
|
| ||
| and ropy looking bead, or electrode | 2. | Welding Guide” |
|
|
| ||||
| stubbing into plate while welding. | Improper gas shielding - Clean |
|
|
| |||||
|
|
|
|
|
|
| gas nozzle. Make certain that |
|
|
|
|
|
|
|
|
|
| gas diffuser is not empty or |
|
|
|
|
|
|
|
|
|
| turned off. Make certain gas flow |
|
|
|
|
|
| 3. | rate is proper. |
|
|
| |||
|
|
| Remove gun liner and check |
|
|
| ||||
|
|
|
|
|
|
| rubber seal for any sign of dete- |
|
|
|
|
|
|
|
|
|
| rioration or damage. Be sure set |
|
|
|
|
|
|
|
|
|
| screw in connector block is in |
|
|
|
|
|
|
|
|
|
| place and tightened against the |
|
|
|
|
|
|
|
|
|
| liner bushing. |
|
|
|
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.
POWER FEED 10 / R