Did you buy it assembled or did you do the work your self?
There are some clearance issues that need to be addressed when putting the 4.7's in. It may be related to that.
Have you tried to call Marlin's? Ask for Marlin or Rocky.
They are very busy rite now moving the shop so be patint, you will get the answer you need.
You may have to pull it out and open it up to see what is happening unless you bought it assembled.