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| TROUBLESHOOTING & REPAIR |
CHOPPER PC BOARD REMOVAL AND REPLACEMENT (CONTINUED)
FIGURE F. 14 – CHOPPER PC BOARD AND DIODE MODULE CONNECTIONS
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AMPS |
|
|
A |
|
|
LINCOLN |
| VOLTS |
V |
| |
ELECTRIC |
|
|
MULTI- |
|
|
WELD | 350 | |
|
| |
INPUT |
|
|
CHOPPER |
|
|
TECHNOLOGY |
|
|
WORK |
| ELECTRODE |
| |
| SCREWS (2) |
| CHOPPER |
| PC BOARD |
| CAPACITOR |
| POSITIVE |
+ | STRAP |
- | REVERSE |
| |
| DIODE LEAD |
| CONNECTION |
| |
| BOLTS (2) |
4 SCREWS
ACCESSED FROM BOTTOM
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REMOVAL
Refer to Figure F.14.
1.Set the CC/CV power switch to OFF.
2.Remove input power to the machine.
WARNING
ELECTRIC SHOCK can kill.
Disconnect input power before removing the case cover and performing tests or making repairs to the machine.
