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Insert a temporary left-hand screw M8 while the hub is still hot and tighten with the torque shown
in the figure.
Wait a few minutes for the hub to cool before continuing assembly.
When the hub reaches the room temperature, remove the temporary left-hand screw M8.
Add threadlocker (recommended Loxeal 55-03/Loctite 243): insert it into the propeller shaft
(29) threaded hole. Hardening time of the threadlocker: 3 hours.
Replace the anti-unscrewing washer (28) each time it is disassembled.
Insert the anti-unscrewing washer (28) and left-handed screw M8 (27)
Cosmos 300 – Maintenance manual – V2
20 Nm
153
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