likely have to remove one universal and drop the shaft ... if you don't have a manual, this one should cover whatever size you have, a shop manual is pretty handy when you're into these ol rigs

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot