yes you can, provided you also install the oscillator... maybe get that from the mtec card, it is only for the fpu...
BUT
look here:
http://bboah.amiga-resistance.info/c...cgi?HARDID=147
setting the jumper to posotion C or D might work without the oscillator! just put the fpu and see if it gets recognised...
I don't think you can damage it if you put it correctly