gearbox

Not sure where to put this. I hope this is ok. I have an Echo PAS with several attachments. Most of these have heads that need periodic greasing. Yet none of them have grease fittings. And yet, you're supposed to grease them every (I think) 25 hrs. How do you guys grease them? The videos I've...

I was filling the oil in the small gearbox, the small one between the rotating brushes (drop by drop...lol). I had it stood up on the end of the shaft, with the brushes up; I removed the end fill plug and was dropping 90w oil in there. It was seeming to take forever and I thought it had enough...