They do not list the board level components usually because they just replace the entire board doing field repairs or refurbishing.
If you replaced the SCRs, if you used the same brand or equivalents, there should be some visual clues on the board, or just check to make sure the incoming power goes to the anodes of the SCRs and the output to the motor is the cathodes.
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Http://www.hobartwelders.com/om/6digit/o235281b_hob.pdf
They do not list the board level components usually because they just replace the entire board doing field repairs or refurbishing.
If you replaced the SCRs, if you used the same brand or equivalents, there should be some visual clues on the board, or just check to make sure the incoming power goes to the anodes of the SCRs and the output to the motor is the cathodes.