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| TROUBLESHOOTING & REPAIR |
WELD CONTROL OR PERIPHERAL PC BOARD
REMOVAL AND REPLACEMENT (CONTINUED)
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7.Carefully label and remove the 12 molex plugs from the Weld Control PC board. Press and hold the keeper on each plug as you remove it. Also remove plug P31 from the Peripheral PC Board as shown in Figure F.8. This will allow the assembly to lie flat.
8.Using the 3/8" nut driver, remove the four nuts holding the Weld Control PC Board in place.
NOTE: Verify the orientation of the Weld Con- trol PC Board for replacement. You may need to remove a nut on the Peripheral PC Board in order to free the Weld Control PC Board.
9.Carefully remove the Weld Control PC Board.
NOTE: It may be necessary to pry gently on the PC Board to remove it.
REPLACEMENT PROCEDURE
1.Set the Weld Control PC Board squarely onto the studs and press it in place. Verify proper orientation. Replace any nuts removed from the Peripheral PC Board at disassembly.
2.Tighten the four 3/8" nuts holding the board in place.
3.Attach the molex plugs, including the plug removed from the Peripheral PC Board at disassembly. See the Wiring Diagram.
NOTE: Make sure jumper plug P3 is in place.
4.Attach the rear panel with seven 5/16" screws.
5.Perform the Case Front Assembly Replacement procedure.
6.Perform the Case Cover Assembly Replacement procedure.
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