motor is direct drive to lead screw lh side of x,hand wheel on rh, yes can stall motors with hand wheels ,cant stall motors by exerting body weight pressure against x or y,can turn hand wheels when motors energised,resistance felt then clicking from motors.psu is set at36 volts ,have checked.wiring to motors is red and blue to a+,yellow and black to a-,white and brown to b+,orange and green to b- motors are 4nm 60bygh401-03 ,drivers are cw5045 supplied cnc4you, bob is a kk01, psu is marked as 36volts 400watt 11amp,sorry cant post pics until i find out how to do it,something else to learn. regards richard.