with the burn on the adjacent rivet in the pic looks like the edge of he wiper was bent down and arcing to that rivet.

you probably don't need to do anything as long as the unit steps/resets without snagging... looks like most of the burned away metal is normally off the rivet surface anyway.

attached is what was on the back side of the stock market score cards. Dixieland is similar, but you have to solder instead of using a plug. It's not obvious in the manual what to do to change the pay, but the diagrams hint at the connection changes.

note also the dixieland cards probably say NA3, NA3A or NA3B in the lower left corner. NA=Nashville, so look for scans on that game page on bingo.cdyn.com. There's no score reproductions in svg/png format, didn't seen necessary. If they are needed, yell.

Probably missing an instruction card for dixieland, so either a good scan or a repro is needed for that.

the cards are in the manual, but the colors are missing. If you have a picture of the instruction cards with color, that'll help for making reproductions.

if your score cards say DI on the bottom left corner, upload a picture.

siscan-stock_market-2 (resized).png

it's the D-2 card I need to see the pictures of - page 51 in manual has the text, but I'd be guessing at the colors.

your game is wired to pay like stock market/nashville 3A card, assuming card 6 pays 44/300 for a 4/5-in-line.

I modified the score card scans for Nashville and Dixieland on bingo.cdyn.com, so your choice whether your want 3, 3A or 3B scoring. Below is page two of the scans for dixie

siscan-dixieland-2 (resized).png