2ndtime Posted November 12, 2022 Share Posted November 12, 2022 My first post and I need some help. Does anyone know where to find a diagram or schematic of the linkage on a 10 speed unitshift? I can't figure how to put it back together or adjust it. thanks in advance Quote Link to comment https://www.bigmacktrucks.com/topic/70690-b61-unishift-linkage-schematic-and-adjustment/ Share on other sites More sharing options...
doubleclutchinweasel Posted November 14, 2022 Share Posted November 14, 2022 Let me look tonight. There might be some Unishift info in a service manual I have at home. Quote "Eagles may soar, but weasels don't get sucked into jet engines." Link to comment https://www.bigmacktrucks.com/topic/70690-b61-unishift-linkage-schematic-and-adjustment/#findComment-515110 Share on other sites More sharing options...
doubleclutchinweasel Posted November 14, 2022 Share Posted November 14, 2022 Sounds like there have been issues with these before. One post at the bottom of this thread (below) had some interesting comments about the clutch linkage. Quote "Eagles may soar, but weasels don't get sucked into jet engines." Link to comment https://www.bigmacktrucks.com/topic/70690-b61-unishift-linkage-schematic-and-adjustment/#findComment-515115 Share on other sites More sharing options...
doubleclutchinweasel Posted November 14, 2022 Share Posted November 14, 2022 (edited) Here is some other discussion from another forum. https://www.smokstak.com/forum/threads/1957-mack-b61-tt-in-tennessee.164568/page-3 Edited November 14, 2022 by doubleclutchinweasel Quote "Eagles may soar, but weasels don't get sucked into jet engines." Link to comment https://www.bigmacktrucks.com/topic/70690-b61-unishift-linkage-schematic-and-adjustment/#findComment-515116 Share on other sites More sharing options...
Solution doubleclutchinweasel Posted November 14, 2022 Solution Share Posted November 14, 2022 Here are a couple of pictures from 2 different pages in a service manual. I think one is for air operated and one is for electric. See if any of the notes help with anything. I think B1 and B2 are from the same page, and B3 and B4 are from the other page. Quote "Eagles may soar, but weasels don't get sucked into jet engines." Link to comment https://www.bigmacktrucks.com/topic/70690-b61-unishift-linkage-schematic-and-adjustment/#findComment-515152 Share on other sites More sharing options...
2ndtime Posted November 27, 2022 Author Share Posted November 27, 2022 Doubleclutchinweasel I appreciate the unishift pics. Now just need to crawl under and see if I can make it go. thanks Quote Link to comment https://www.bigmacktrucks.com/topic/70690-b61-unishift-linkage-schematic-and-adjustment/#findComment-516166 Share on other sites More sharing options...
mechohaulic Posted November 27, 2022 Share Posted November 27, 2022 waterbury Mack (long time ago) upgraded their single axle wrecker with a B-61 having a uni-shift. I did the body swap and was the one running the wrecker , most of the time. I didn't like the uni-shift; since it was replacing a '57 Diamond -T 5 speed / two speed , it was an upgrade. Quote Link to comment https://www.bigmacktrucks.com/topic/70690-b61-unishift-linkage-schematic-and-adjustment/#findComment-516183 Share on other sites More sharing options...
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