TM 9-2320-209-34-2-2 1. Put two preformed packings (1) on grooves of main drive idler gear shaft (2). 2. Put main driver idler gear (3) into housing (4), meshing teeth of idler gear with teeth on main drive gear (5). 3. Put gear shaft (2) through housing (4) and idler gear (3). 4. Put on nut (6). 5. Put in cotter pin (7). END OF TASK 17-584