TM 9-2320-361-34 16-20. TRANSMISSION POWER TAKEOFF (PTO) MAINTENANCE (Contd) 6. Apply sealing compound on gasket (4) and transmission (1) mating surfaces. 7. Install new gasket(s) (4) and PTO (5) on transmission (1) with six new lockwashers Tighten nuts (6) 15-20 lb-ft (20-27 N.m). (7) and nuts (6). FOLLOW-ON TASKS: .Install transmission top cover (para. 8-3). ● Install transmission power takeoff cover and gasket (para. 16-22). 16-97