TM 9-2320-361-34 15-44. BRAKE, FEED, AND DRIVE CLUTCH MAINTENANCE (Contd) FOLLOW-ON TASKS: ● Install main drive idler gear (para. 15-43). ● Fill clutch case with oil (LO 9-2320-209-12-1). ● Install intermediate case (para. 15-42). ● Install earth boring machine (para. 15-35). . Install operation levers (TM 9-2320-361-20). 15-201