915 INPUT shaft question
 

I have been rebuilding my 915 this winter using ZImmermans 9 part rebuild WIKI (yow)

question is this after reassembling input shaft and pressing things together I am noticing a slight amount of play between the (thrust?) washers and the 3rd and 4th gear stacks
maybe a few thousands or so.
Is that correct or do I need to crank up the press some more - so there is no play anywhere along the shaft?

much appreciated