Your decision not to touch those pallets is wise. You obviously know the following, just a review ,however;
Impulse jewel to come to rest inside fork horn as the fork is in mid-point between banking pins, is the ideal position (both in beat) ) to recieve impulse, delivery of the impulse at this instance ,however, depends on pallets position whose workings "" pallets and escape teeth "" is to dish out an healthy impulse. Only then we have an in beat escape mech and can expect to see "happy" running.
Am I right?