those bolts are only accessible from inside the bellhousing once the lower cover is off, once the engine is on the ground you won't be able to get at them .... as long as you don't drop it, setting the engine on the ground, wedged so it's not tippy, will be fine

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