I wouldn't do this even with an exsperenced backhoe operator, much less a novice who isn't comfortable with the controls. I've almost been hit more than once working with an exsperenced operator. I would get a log splitter it would be safer and you wouldn't have to climb out and set up logs or have someone do it for you.
I had heard of people just using the bucket as is to split firewood. I tried it...miserable failure. I thought attaching a wedge to an outrigger might work...nope! the wood lifted that 35,000lbs like it was nothing, lol!
And he said, "I want to live as an honest man, to get all I deserve, and to give all I can, and to love a young woman whom I don't understand. Your Highness, your ways are very strange."
Companion Planting Guide by World Permaculture Association