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TROUBLESHOOTING & REPAIR | |||
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| CONTROL BOARD REMOVAL AND REPLACEMENT (continued) |
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| FIGURE F.19 - CONTROL BOARD ALL PLUG LOCATIONS |
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| J6 | J7 |
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| J5 | J8 |
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| J4 | J9 |
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J2
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| S |
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| STATU |
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| THERMAL |
LINCOLN |
| J10B | |
ELECTRIC |
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WA | RNING |
| J10A |
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| REM | |
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| OTE |
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| PO |
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| WER |
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| ON |
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| OFF |
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CAUTION
Observe static precautions detailed in PC Board Troubleshooting Procedures at the beginning of this section.
6.Using a phillips head screwdriver remove the two screws and their washers from above and below the input power switch. See Figure F.18.
7.Using a phillips head screwdriver remove the four screws from around the two welder output termi- nals on the front of the machine. See Figure F.18.
8.The front of the machine may now gently be pulled forward to gain access to the Control Board. Note: The front of the machine cannot be removed completely, only pulled forward a few inches.
9.Beginning at the right side of the control board remove plugs J10A and J10B. Note: Be sure to label each plugs position upon removal. See Figure F.19.
10.Working your way across the top of the board from right to left, label and remove plugs #J9, #J8, #J7, #J6, and #J5. See Figure F.19.
11.Working your way down the left side of the board, label and remove plugs #J4 and #J2. See Figure F.19.
