Replace the O-ring (35) each time it is disassembled.
Place the O-ring (36) in the bushing (33), grease it with FP Silicompound 225 and place it on the
propeller shaft (30).
Clean and degrease the threads of the screw (27) and the propeller shaft (30) threaded hole.
Cosmos 300 – Maintenance manual – V2
131