maybe I should write a book and get paid for these bits of advice.
set up your puller of choice
tighten it, but don't crank down.
tap the driving bolt.
tighten a little and tap again.
for the mp-15 be aware that the motor shaft is 1mm.
I am not sure If Atlas uses lic-tite. but heat is not a bad idea...
up to a point.
victor