"inner bolts are hard to access"

Get a thinner/better box end wrench, or use an open end wrench. You should not have to torque the nut more than 20-40psi.
inner bolt are torqued tighter than outer bolts (if that really matters)
See page 16-19 - that spec should be OK for a 235.

Shade-tree/farmer specs:
Tighten lightly/snugly, all nuts
Then, retighten each nut a little more to an even/equal resistance for all
Then, retighten each nut a little more