MF 124 baler problems.....defining terms

After playing with this thing for another hour or so I find that the right side knot comes undone about the time the bale pulls it off the bill hook. As I examine the two ends of twine I find no knot in either end. The manual suggests looking at the "hay dogs" when there is no evidence of a knot. They don't tell me what a "hay dog" is nor do they show a picture for us really stupid types. So I'm lost.

I've also been advised here to look at the "twine tuckers" or "tucker fingers". Those words are also not found in my MF manual so I'm unsure what I'm supposed to be looking at. I just read the section on twine tension and I'm going back out to check that. This baler has one twine tensioner for both sides so I have a hard time understanding how tension could be wrong on one side and ok on the other.

Thanks again for any enlightenment.

This baler worked fine last year. Hasn't worked worth a bleep this year. No, I haven't changed twine.

1. is twine disc holding sufficient to give enough length on the twine ends that.....

2. the bill hook has something to grab and hold??

3. if yes, billhook tension is too light (or badly worn, unable to hold) to pull the ends through the loop to make a knot.

4. if ends on knot are of good length, billhook pulling ends through, and bale pressure unraveling the knot before it can pull down and hold, check the twine tensioner to be sure there is enough hold back on the twine to give a slightly tighter knot during the tieing process before the knot clears the billhook.

Garry