I don't know why you would have the installation tool in at this point. You should get the pressure plate assembly up there, slide the disc in, start some bolts in and then put the tool in.

1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed

My Chevy Master 4 Door is on the Road!