Right click on the Solution branch and Clear Generated Data. You don't want a model that you are having problems with to Restart, you want it to have a clean start.
You have not shown Step 1, you showed Step 3. Step 1 should have the Initial Time Step of 0.001 and a Minimum Time Step of 0.000001.
You have not shown the load and what happens to the Rotational Velocity over Step 1, 2 and 3.