FYI - not fully satisfied I had finished T/S. So I temp wrapped the 2 terminals of the thermal fuse together with electrical tape. Motor and heater now runs.
FYI2 - I had not seen the other posts till after T/S through the motor and the heating element. I had physically disassembled the centrifuge switch and physically checked its operation (after cleaning). It was fine.
Thanks to each of you for your help on this one. Special thanks to BMF for making me relook at the heating element with a multimeter - should of known better. I hope my experience serves to help someone else. This forum is definitely one that I will stay connected with.