new motor for a linac

[psycho_fling]

Hi all

I have bought a dewalt motor while in the US and nw i need to fit it into a linac replacing a not so good one

what i am having trouble with is getting the fitting which marries the motor to the linac movement off the oroignal motor

i also need to get the gear from the dewalt

and i then need to combine this part and the dewalt and fit into the linac part(see below post)

How do i sort out these problems????
thanks alex