You would only need to move the PS pump rearward to the rear groove of the CR pulley & the WP pulley which would line it up with the alternator. Nothing would move forward to interfere with the fan. If the AC is not adjustable to tension the belt, you might be able to add a tensioner pulley in...
Trying to think of an alternative layout with only two grooves. PS pump would have to move back, and AC compressor would need to be adjustable. It would give ya a little more wrap.
Like Peesalot mentioned, the small amount of belt wrap on the PS and the AC seems lacking and I am guessing the layout is not stock. I am also guessing that the AC was added on later making use of the two-groove crank pulley when it should have had a third groove for an AC compressor. My...