TM 9-2320-209-34-2-2 g. Replacement. Soldier A 1. Put gasket (1) on main drive idler gear housing (2). 2. Aline main drive idler gear housing (2) with clutch case (3) and hold it. Soldier B 3. Put in eight screws (4) and nuts (5). NOTE Follow-on Maintenance Action Required: 1. Replace earth boring machine. Refer to para 17-45. 2. Fill main drive idler gear housing. Refer to LO 9-2320-209-12/1. END OF TASK 17-585