I would remove the distributor cap, and then tape the rotor/shaft to the distributor housing so you don't have to move anything, and be sure the orientation is noted at removal and replace at the same position.
Another option is to use the roll pin to and a crank to set the motor to TDC before removal..then you can use the well documented procedure here and in the Moyer Manual to reassemble the distributor back to the correct position. Good opportunity to clean up and lube the advance weights too.
