There should be a lint trap to clean also, though they do hide it. You need to tilt the unit back and then take of the front cover at the bottom. Behind it there be a round (about 3") cover to remove to clean the lint trap.
Bill
Nodwell RN110 out moose hunting. 4-53 Detroit, Clark 5 spd, 40" wide tracks, 10:00x20 tires, 16,000# capacity, 22,000# weight. You know the mud is getting deep when it's coming in the doors.