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| TROUBLESHOOTING & REPAIR |
WELD CONTROL OR PERIPHERAL PC BOARD
REMOVAL AND REPLACEMENT (CONTINUED)
FIGURE F.8 – CASE FRONT ASSEMBLY DETAILS
PLUG P31
PERIPHERAL
PC BOARD 
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PLUG P3 | WELD |
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| CONTROL |
| PC BOARD |
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4 | 5 | ELECTRIC |
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SCREWS
(7)
NUTS 
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REMOVAL PROCEDURE
Refer to Figure F.8.
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.
3.Perform the Case Cover Assembly Removal procedure.
4.Perform the Power Capacitor Discharge procedure.
5.Perform the Case Front Assembly Removal procedure.
6.Using the 5/16" nut driver, remove the seven screws from the control box rear panel.