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Implement Alley Discussion Forum

MF 31 Sickle - broken part

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Chuck, WA

07-12-2007 13:47:10




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I have a MF 31 sickle mower. Partway through mowing today, the link that connects the sickle bar to the drive broke. The bolt that attaches the drive to the small end of the conical part that is the link to to bar is what broke. I was able to EZ-out the bolt stub, but now am faced with trying to repair, or spending over $100 for new parts that won't get my hay down before next week at best.

My dealer mentioned the part itself (referred to as a connector according to him), seals, and a spacer. The only other part I found (in the field where it broke) is a flat washer that is severely deformed (dished from tightening). Otherwise I have no idea what the spacer was since that washer hardly looked like a $5 "spacer".

Before I order parts, I'd like to know for sure what will be needed, but have no parts manual. I have ordered an operators manual and a parts manual, but don't know when I'll get them, or if they are both even available.

Several folks replied regarding the MF 31 sickle when I inquired when I bought it around the end of May. If one of them, or anybody else who has a parts manual, could post a picture of that part of the assembly so I know what needs to be replaced, I'd sure appreciate it.

I've made two pictures available. The first is the location of the link between the inboard end of the sickle (yoke) and the drive (hole for what looks like 7/16-SAE bolt that broke). It is at>Link

Another question...the roller bearing seems to be one roller short. There is a gap of about that size. I don't recall it falling out when I disassembled it. That's not normal is it? If not, that probably suggests a new bearing as well.

I'd appreciate a reply ASAP. I probably should order the new parts if I go that route this afternoon.

Thanks for any help.

Chuck, WA

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