clutch not disengaging

I recently converted my 93' ranger to a manual from the a4ld automatic. I'm having trouble getting the clutch to fully disconnect. When the engine is on and I go to put the truck in reverse, it grinds. The transmission goes into gear perfectly when the engine is off. I am able to start the car...

hi frist tme i hope some one can help , i swaped a 2.3 with a manuel trans replace master ,slave and hyd line still only getting part pedal thanks